Publications
- Ayobami S. Edun, Samuel Kingston, Cody LaFlamme, Evan Benoit, Michael A. Scarpulla, Cynthia M. Furse & Joel B. Harley (2021). Detection and Localization of Disconnections in a Large-Scale String of Photovoltaics Using SSTDR. IEEE Journal of Photovoltaics. Vol. 11, 1097.
Published, 07/15/2021.
https://dx.doi.org/10.1109/JPHOTOV.2021.3081437 - Rujun Sun, Yu Kee Ooi, Praneeth Ranga, Arkka Bhattacharyya, Sriram Krishnamoorthy and Michael A Scarpulla Oxygen annealing induced changes in defects within β-Ga2O3 epitaxial films measured using photoluminescence. Journal of Physics D: Applied Physics 54 (17), 174004 (2021). https://doi.org/10.1088/1361-6463/abdefb.
Published, 02/16/2021.
https://doi.org/10.1088/1361-6463/abdefb - M.A. Scarpulla, Mowafak Al-Jassim & Nancy Haegel (2020). Chapter 9 - "AC Characterization Methods for Thin Film Photovoltaics", in Advanced Characterization of Thin Film Solar Cells. IET Press.
Published, 11/12/2020.
https://dx.doi.org/10.1049/PBPO166E - Mashad Uddin Saleh, Chris Deline, Evan J. Benoit, Samuel R. Kingston, Joel B. Harley, Cynthia M. Furse, and Michael A. Scarpulla Detection and Localization of Damaged Photovoltaic Cells and Modules Using Spread Spectrum Time Domain Reflectometry IEEE Journal of Photovoltaics 11(1) pp. 195-201, (Jan. 2021) https://dx.doi.org/10.1109/JPHOTOV.2020.3030185. Published, 10/26/2020.
- Ayobami S. Edun, Cody La Flamme, Samuel R. Kingston, Harsha Vardhan Tetali, Evan Benoit, Michael Scarpulla, Cynthia M. Furse, and Joel B. Harley Finding Faults in PV Systems: Supervised and Unsupervised Dictionary Learning With SSTDR IEEE Sensors Journal, 21(4) 2021. Pp. 4855-4865. Finding Faults in PV Systems: Supervised and Unsupervised Dictionary Learning With SSTDR | IEEE Journals & Magazine | IEEE Xplore.
Published, 10/08/2020.
https://ieeexplore.ieee.org/document/9217487 - Akira Nagaoka, Kensuke Nishioka, Kenji Yoshino, Ryoji Katsube, Yoshitaro Nose, Taizo Masuda, and Michael A. Scarpulla Comparison of Sb, As, and P doping in Cd-rich CdTe single crystals: Doping properties, persistent photoconductivity, and long-term stability Applied Physics Letters 116, 132102 (2020); https://doi.org/10.1063/5.0004883.
Published, 04/01/2020.
https://doi.org/10.1063/5.0004883 - P Ranga, A Bhattacharyya, A Rishinaramangalam, YK Ooi, MA Scarpulla, Delta-doped β-Ga2O3 thin films and β-(Al0. 26Ga0. 74)2O3/β-Ga2O3 heterostructures grown by metalorganic vapor-phase epitaxy Applied Physics Express 13 (4), 045501 (2020) https://doi.org/10.35848/1882-0786/ab7712.
Published, 03/09/2020.
https://doi.org/10.35848/1882-0786/ab7712 - Mashad Uddin Saleh, Chris Deline, Evan Benoit, Samuel Kingston, Ayobami S. Edun, Naveen Kumar Tumkur Jayakumar, Joel B. Harley, Cynthia Furse, and Michael Scarpulla An Overview of Spread Spectrum Time Domain Reflectometry Responses to Photovoltaic Faults IEEE Journal of Photovoltaics 10(3) 2020 pp. 844–851 https://dx.doi.org/10.1109/JPHOTOV.2020.2972356.
Published, 02/24/2020.
https://dx.doi.org/10.1109/JPHOTOV.2020.2972356 - Ayobami Edun, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Cynthia Furse, Michael Scarpulla & Joel B. Harley (2020). Spread Spectrum Time Domain Reflectometry with Lumped Elements on Asymmetric Transmission Lines. IEEE Sensors Journal.
Published, 01/20/2020.
http://dx.doi.org/10.1109/JSEN.2020.2967894 - Samuel Kingston, Naveen K. T. Jayakumar, Mashad U. Saleh, Ayobami Edun, Evan Benoit, Rujun Sun, Cynthia M. Furse, Michael A. Scarpulla & Joel B. Harley (2020). Spread Spectrum Time Domain Reflectometry (SSTDR) and Dictionary Matching to Measure Capacitance for PV cells. 2019 IEEE AUTOTESTCON.
Published, 01/16/2020.
http://dx.doi.org/10.1109/AUTOTESTCON43700.2019.89... - Panagiota Arnou, Alberto Lomuscio, Thomas P. Weiss, Daniel Siopa, Sergio Giraldo, Edgardo Saucedo, Michael A. Scarpulla & Phillip J. Dale (2020). Continuous-wave laser annealing of metallic layers for CuInSe2 solar cell applications: effect of reheating treatment on grain growth. RSC Advances. Vol. 10, 584-594.
Published, 01/02/2020.
http://dx.doi.org/10.1039/C9RA06896A - Mashad Uddin Saleh (2020). Reflectometry on asymmetric transmission line systems. Progress In Electromagnetics Research. Vol. 89, 121-130.
Published, 01/01/2020.
https://www.jpier.org/PIERM/pier.php?paper=1911070... - Prashanth Gopalan, Ashish Chanana, Sriram Krishnamoorthy, Ajay Nahata, Michael A. Scarpulla & Berardi Sensale-Rodriguez (2019). Ultrafast THz modulators with WSe2 thin films [Invited]. Optical Materials Express. Vol. 9, 826-836.
Published, 12/31/2019.
https://dx.doi.org/10.1364/OME.9.000826 - Mashad Uddin Saleh, Samuel Kingston, Naveen Kumar Tumkur Jayakumar, Evan Benoit, Joel B. Harley, Cynthia Furse & Mike Scarpulla (2019). Detection and Localization of Disconnections in PV Strings Using Spread-Spectrum Time-Domain Reflectometry. IEEE Journal of Photovoltaics. Vol. 10(1), 236-242.
Published, 11/29/2019.
http://dx.doi.org/10.1109/JPHOTOV.2019.2953392 - Chanana A, Lotfizadeh N, Condori Quispe HO, Gopalan P, Winger JR, Blair S, Nahata A, Deshpande VV, Scarpulla MA & Sensale-Rodriguez B (2019). Manifestation of Kinetic Inductance in Terahertz Plasmon Resonances in Thin-Film Cd3As2. ACS nano. Vol. 13, 4091-4100. Published, 11/01/2019.
- Evan Benoit, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Mashad Uddin Saleh, Michael A. Scarpulla, Joel Harley & Cynthia Furse (2019). Applicability of SSTDR Analysis of Complex Loads . 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (2019). Published, 10/31/2019.
- Joel B. Harley, Mashad Uddin Saleh, Samuel Kingston, Michael A. Scarpulla & Cynthia M. Furse (2019). Fast Transient Simulations for Multi-Segment Transmission Lines with a Graphical Model. Progress in Electromagnetics Research. Vol. 168, 67-82.
Published, 08/05/2019.
http://www.jpier.org/PIER/pier.php?paper=19042105 - Akira Nagaoka, Kensuke Nishioka, Kenji Yoshino, Darius Kuciauskas & Michael A. Scarpulla (2019). Arsenic doped Cd-rich CdTe: equilibrium doping limit and long lifetime for high open-circuit voltage solar cells greater than 900 mV. Applied Physics Express. Vol. 12, 081002.
Published, 07/08/2019.
https://doi.org/10.7567/1882-0786/ab27fb - Sudhajit Misra, Jeffery A. Aguiar, Yubo Sun, Brian v. Devener, Vasilios Palekis, Christos S. Ferekides, Heayoung P. Yoon, Peter Bermel & Michael A. Scarpulla (2019). Observation and Implications of Composition Inhomogeneity Along Grain Boundaries in Thin Film Polycrystalline CdTe Photovoltaic Devices. Advanced Materials Interfaces. 1900152.
Published, 07/01/2019.
https://doi.org/10.1002/admi.201900152 - David J. Magginetti, Jeffery A. Aguiar, Joshua R. Winger, Michael A. Scarpulla, Erfan Pourshaban & Heayoung P. Yoon (2019). Water‐Assisted Liftoff of Polycrystalline CdS/CdTe Thin Films Using Heterogeneous Interfacial Engineering. Applied Materials Interfaces. Vol. 6, 1900300.
Published, 05/27/2019.
https://doi.org/10.1002/admi.201900300 - Naveen Kumar Tumkur Jayakumar, Evan Benoit, Samuel Kingston, Mashad Uddin Saleh, Michael Scarpulla, Joel Harley & Cynthia Furse (2019). Post-Processing for Improved Accuracy and Resolution of Spread Spectrum Time Domain Reflectometry (SSTDR). IEEE Sensors Letters. Vol. 3, 1500204.
Published, 05/13/2019.
https://dx.doi.org/10.1109/LSENS.2019.2916636 - U Chalapathi, M.A. Scarpulla, Si-Hyun Park, S. Uthanna & V. Sundara Raja (2019). Improving the grain size of Cu2ZnSnS4 thin films by annealing thermally evaporated Cu-ZnS-Sn-S precursors. Journal of Materials Science: Materials in Electronics. Vol. 30, 4931-4935.
Published, 02/06/2019.
https://dx.doi.org/10.1007/s10854-019-00788-1 - Naveen Kumar Tumkur Jayakumar, Mashad Uddin Saleh, Evan Benoit, Josiah Lacombe, Michael Scarpulla & Cynthia Furse (2019). Fault Detection In PV Strings Using SSTDR. 2018 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium) (2018).
Published, 01/07/2019.
http://dx.doi.org/10.1109/USNC-URSI.2018.8602847 - Yunshan Wang, Peter T. Dickens, Joel B. Varley, Xiaojuan Ni, Emmanuel Lotubai, Samuel Sprawls, Feng Liu, Vincenzo Lordi, Sriram Krishnamoorthy, Steve Blair, Kelvin G. Lynn, Michael Scarpulla & Berardi Sensale-Rodriguez (2018). Incident wavelength and polarization dependence of spectral shifts in β-Ga2O3 UV photoluminescence. Scientific Reports. Vol. 8, 18075.
Published, 12/24/2018.
https://www.nature.com/articles/s41598-018-36676-7 - Mashaduddin Saleh, Josiah LaCombe, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Joel Harley, Cynthia Furse & Mike Scarpulla (2018). Signal Propagation Through Piecewise Transmission Lines for Interpretation of Reflectometry in Photovoltaic Systems. IEEE Journal of Photovoltaics. Vol. 9, 506-512.
Published, 12/11/2018.
http://dx.doi.org/10.1109/JPHOTOV.2018.2884011 - Falbaum B., Winger J. & Scarpulla M. (2018). Dramatic Recrystallization during CdCl2 Treatment of Evaporated CdTe Thin Filmsa. 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC. 176-179. Published, 11/26/2018.
- Kyu-Bum Han, Su Kong Chong, Anton O. Oliynyk, Akira Nagaoka, Suzanne Petryk, Michael A. Scarpulla, Vikram V. Deshpande & Taylor D. Sparks (2018). Enhancement in surface mobility and quantum transport of Bi2−xSbxTe3−ySey topological insulator by controlling the crystal growth conditions. Scientific Reports. Vol. 8, 17290.
Published, 11/23/2018.
https://www.nature.com/articles/s41598-018-35674-z - Jeffrey L. Johnson, Win Maw Hlaing Oo, Makarand Karmarkar & Michael A. Scarpulla (2018). Cu2ZnSnS4 thin films synthesized by cosputtering and rapid thermal annealing: Effects of composition and temperature. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017.
Published, 11/05/2018.
https://ieeexplore.ieee.org/document/8366213 - J.L. Johnson, Ashish Bhatia, Joseph G. Bolke & Michael A. Scarpulla (2018). Large grain growth in Cu2ZnSnS4 thin films in the absence of Na using rapid thermal annealing. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Published, 11/05/2018.
- Yubo Sun, Allison Perna, Sudhajit Misra, Jeffery Aguiar, Peter Bermel, Vasilios Palekis, Chris Ferekides & Michael A. Scarpulla (2018). Assessing the Validity and Accuracy of Effective Electronic Materials: Can 1D Simulations Predict Polycrystalline Device Performance?. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017.
Published, 11/05/2018.
https://ieeexplore.ieee.org/document/8366179 - Sudhajit Misra, Carina E. Hahn, Vasilios Palekis, Christos Ferekides & Michael A Scarpulla (2018). Effect of Illumination on Thermal CdCl2 Treatment of CdTe. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017.
Published, 11/05/2018.
https://ieeexplore.ieee.org/document/8521505 - Akira Nagaoka, Kenji Yoshino, Yoshitaro Nose, Darius Kuciauskas & Michael A. Scarpulla (2018). Group-V doping impact on Cd-rich CdTe single crystals grown by traveling-heater method. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017.
Published, 11/05/2018.
https://ieeexplore.ieee.org/document/8366462 - Vasilios Palekis, Shamara Collins, Imran Khan, Vamsi Evani, Sudhajit Misra, Michael Scarpulla, Mark Lonergan, Don Morel & Chris Ferekides (2018). Laser Annealed Back Contacts for CdTe Solar Cells. 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017.
Published, 11/05/2018.
https://ieeexplore.ieee.org/document/8366164 - Prashanth Goplan, Ashish Chanana, Sriram Krishnamoorthy, Ajay Nahata, Michael Scarpulla & Berardi Sensale-Rodriguez (2018). Ultrafast terahertz modulator based on metamaterial-integrated WSe2 thin-films. 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
Published, 10/29/2018.
https://ieeexplore.ieee.org/document/8509893 - Ashish Chanana, Joshua Winger, Prashanth Goplan, Neda Lotfizadeh, Vikram Deshpande, Ajay Nahata, Michael Scarpulla & Berardi Sensale-Rodriguez (2018). Strong terahertz plasmonic resonances in thin-film Cd3As2: a three-dimensional Dirac semimetal. 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
Published, 10/29/2018.
https://ieeexplore.ieee.org/document/8509915 - K. Tse, M Wong, Y Zhang, J Zhang, M Scarpulla & J Zhu (2018). Defect Properties of Na and K in Cu2ZnSnS4 from Hybrid Functional Calculation. Journal of Applied Physics. Vol. 124, 165701.
Published, 10/22/2018.
https://doi.org/10.1063/1.5046734 - Palekis V., S. Collins, Md. Khan, V. Evani, S. Misra, M.A. Scarpulla, A. Abbas, J.M. Walls & C. Ferekides (2018). Near infrared laser CdCl2 heat treatment for CdTe solar cells. 2016 IEEE 43rd Photovoltaic Specialist Conference, PVSC 2016. 1-5.
Published, 05/25/2018.
https://ieeexplore.ieee.org/document/7749867/autho... - Pruzan D., C.E. Hahn, S. Misra & M.A. Scarpulla (2018). A method for depositing CdTe from aqueous solution. 2016 IEEE 43rd Photovoltaic Specialist Conference, PVSC 2016.
Published, 05/25/2018.
https://ieeexplore.ieee.org/document/7749641 - Caruso A. (2018). Comparison and interpretation of admittance spectroscopy and deep level transient spectroscopy from Co- evaporated and solution-deposited Cu2ZnSn(Sx,Se1-x)4 solar cells. 2016 IEEE 43rd Photovoltaic Specialist Conference, PVSC 2017. 1-5.
Published, 05/25/2018.
https://ieeexplore.ieee.org/document/7750218 - Kheraj V., E.A. Lund, A.E. Caruso, K. Alajmi, D. Pruzan, C. Miskin, R. Agrawal, C. Beall, I. Repins & M.A. Scarpulla (2018). Minority carrier electron traps in CZTSSe solar cells characterized by DLTS and DLOS. 2016 IEEE 43rd Photovoltaic Specialist Conference, PVSC 2016. 1-5.
Published, 05/25/2018.
https://ieeexplore.ieee.org/document/7750024 - Kirstin Alberi & Michael A. Scarpulla (2018). Effects of excess carriers on charged defect concentrations in wide bandgap semiconductors. Journal of Applied Physics. Vol. 123, 185702.
Published, 05/08/2018.
https://doi.org/10.1063/1.5010945 - Akira Nagaoka, Darius Kuciauskas, Jedidiah McCoy & Michael A. Scarpulla (2018). High p-type doping, mobility, and photocarrier lifetime in arsenic-doped CdTe single crystals. Applied Physics Letters. Vol. 112, 192101.
Published, 05/08/2018.
https://doi.org/10.1063/1.5029450 - A. Keqi, M. Gehlmann, G. Conti, S. Nemšák, A. Rattanachata, J. Minár, L. Plucinski, J. E. Rault, J. P. Rueff, M. A. Scarpulla, M. Hategan, G. K. Pálsson, C. Conlon, D. Eiteneer, A. Y. Saw, A. X. Gray, K. Kobayashi, S. Ueda, O. D. Dubon, C. M. Schneider & C. S. Fadley (2018). Electronic structure of the dilute magnetic semiconductor Ga1-xMnxP from hard x-ray photoelectron spectroscopy and angle-resolved photoemission. Physical Review B. Vol. 97, 155149.
Published, 04/23/2018.
https://doi.org/10.1103/PhysRevB.97.155149 - Wendy J. Nimens, Jonathan Ogle, Anna Caruso, Mckenzie Jonely, Charles Simon, Detlef Smilgies, Rodrigo Noriega, Michael Scarpulla & Luisa Whittaker-Brooks (2018). Morphology and Optoelectronic Variations Underlying the Nature of the Electron Transport Layer in Perovskite Solar Cells. ACS Applied Energy Materials. Vol. 1, 602-615.
Published, 01/31/2018.
http://dx.doi.org/10.1021/acsaem.7b00147 - Kirstin Alberi & Michael A. Scarpulla (2017). Photoassisted physical vapor epitaxial growth of semiconductors: a review of light-induced modifications to growth processes. Journal of Physics D: Applied Physics. Vol. 51, 023001.
Published, 11/22/2017.
https://doi.org/10.1088/1361-6463/aa944c - D.S. Pruzan, Y. Liu, A.E. Caruso, Y. Lin, C. Beall, I. Repins, M.F. Toney & M.A. Scarpulla (2017). Cu2ZnSnSe4 Photovoltaic Absorber Layers Evaluated by Transmission X-Ray Microscopy Tomography: Composition Fluctuations on the Length Scale of Grains. Solar RRL. Vol. 1(1), 1600024.
Published, 01/01/2017.
http://dx.doi.org/10.1002/solr.201600024/ - Meadows H., Misra S., Simonds B., Kurihara M., Schuler T., Reis-Adonis V., Bhatia A., Scarpulla M. & Dale P. (2017). Laser annealing of electrodeposited CuInSe2 semiconductor precursors: experiment and modeling. (pp. 1336-1345). Vol. 5. Journal of Materials Chemistry C. Published, 01/01/2017.
- Nagaoka A., Scarpulla M. & Yoshino K. (2016). Na-doped Cu2ZnSnS4 single crystal grown by traveling-heater method. (pp. 119-123). Vol. 453. Journal of Crystal Growth.wth 453, 119-123 (2016). Published, 11/01/2016.
- Alberi K. & Scarpulla M. (2016). Suppression of compensating native defect formation during semiconductor processing via excess carriers. Vol. 6. article 27954 Scientific Reports. Published, 06/21/2016.
- Erkan M., Chawla V. & Scarpulla M. (2016). Reduced defect density at the CZTSSe/CdS interface by atomic layer deposition of Al2O3. Vol. 119. art. 194504 Journal of Applied Physics. Published, 05/21/2016.
- Jacobs D., Scarpulla M., Wang C., Bunes B. & Zang L. (2016). Voltage-Induced Transients in Methylammonium Lead Triiodide Probed by Dynamic Photoluminescence Spectroscopy 120 (15), pp 7893–7902. Journal of Physical Chemistry C. Published, 05/05/2016.
- Simonds B., Misra S., Paudel N., Vandewal K., Salleo A., Ferekides C. & Scarpulla M. (2016). Near infrared laser annealing of CdTe and in-situ measurement of the evolution of structural and optical properties. 119, 165305 (2016); Journal of Applied Physics. Published, 04/28/2016.
- Anna E. Caruso, Dennis S. Pruzan, Elizabeth A. Lund and Michael A. Scarpulla Effects of Back Contact Resistance, Depletion Width and Relaxation Time Distributions in Admittance Spectroscopy of CZTSe Devices 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA (Jun. 2015).
Published, 12/31/2015.
http://dx.doi.org/10.1109/PVSC.2015.7356015 - Dennis S. Pruzan, Anna E. Caruso, Yijin Liu, Yu Lin, Ingrid Repins, Carolyn Beall, Michael F. Toney, and Michael A. Scarpulla Sub-100 nm resolution 3-D Tomography of CZTSe Using Transmission x-ray Microscopy 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA (Jun. 2015).
Published, 12/31/2015.
http://dx.doi.org/10.1109/PVSC.2015.7355781 - Sudhajit Misra, Mohammed I. Khan, Vasilios Palekis, Christos Ferekides and Michael A. Scarpulla Continuous-wave laser driven post deposition chlorine treatment of CdTe 42nd IEEE Photovoltaic Specialists Conference, New Orleans, LA (Jun. 2015).
Published, 12/31/2015.
http://dx.doi.org/10.1109/PVSC.2015.7356092 - Akira Nagaoka, Yoshitaro Nose, Hideto Miyake, Michael A. Scarpulla, Kenji Yoshino Solution growth of chalcopyrite compounds single crystal Renewable Energy 79, pp. 127–130 (2015).
Published, 12/01/2015.
http://dx.doi.org/10.1016/j.renene.2014.10.015 - Akira Nagaoka, Kenji Yoshino, Tomoyasu Taniyama, Hideto Miyake, Koichi Kakimoto, Michael A. Scarpulla, and Yoshitaro Nose Growth and Characterization of Cu2ZnSn(SxSe1-x)4 Single Crystal Grown by Traveling Heater Method J. Crystal Growth, 423 pp. 9-15 (2015).
Published, 11/01/2015.
http://dx.doi.org/10.1016/j.jcrysgro.2015.04.012 - Matthew M. Nowell, Mike A. Scarpulla, Naba R. Paudel, Kristppher A. Wieland, Alvin D. Compaan, and Xiangxin Liu Characterization of Sputtered CdTe Thin Films with Electron Backscatter Diffraction and Correlation with Device Performance Microscopy and Microanalysis 21(4), 927-935 (2015).
Published, 11/01/2015.
http://dx.doi.org/10.1017/S143192761500077X - Brian J. Simonds, Vipul Kheraj, Vasilios Palekis, Christos Ferekides, Michael A. Scarpulla Reduction of Fermi level pinning and recombination at polycrystalline CdTe surfaces by laser irradiation J. Applied Physics, 117, 225301 (2015).
Published, 09/01/2015.
http://dx.doi.org/10.1063/1.4921950 - Mehmet Eray Erkan, Vardaan Chawla, Ingrid Repins, and Michael A. Scarpulla Interplay between surface preparation and device performance in CZTSSe solar cells: Effects of KCN and NH4OH etching Solar Energy Materials and Solar Cells, Vol. 136 pp. 78-85 (2015).
Published, 02/01/2015.
http://dx.doi.org/10.1016/j.solmat.2015.01.006 - Brian J. Simonds, Helene J. Meadows, Sudhajit Misra, Christos Ferekides, Phillip J. Dale, Michael A. Scarpulla Laser Processing for Thin Film Chalcogenide Photovoltaics: A Review and Prospective Journal of Photonics for Energy 5(1) 050999 (2015). http://dx.doi.org/10.1117/1.JPE.5.050999 JPE Homepage Featured Article Jan 2015.
Published, 01/01/2015.
http://dx.doi.org/10.1117/1.JPE.5.050999 - Vasilios Palekis, Brian J. Simonds, Md Khan, Vamsi Evani, Michael A. Scarpulla, Chris Ferekides High Throughput Laser Processing for the Formation of Ohmic Contacts to CdTe Solar Cells 40th IEEE Photovoltaic Specialist Conference, Denver, CO (June 2014). Published, 12/01/2014.
- Helene J. Meadows, David Regesch, Sudhajit Misra, Brian J. Simonds, Mike A. Scarpulla, Viktor Gerliz, Levent Gütay, Phillip J. Dale The Importance of Selenium Partial Pressure in the Laser Annealing of CuInSe2 Precursors 40th IEEE Photovoltaic Specialists Conference, Denver, CO (Jun. 2014). Published, 12/01/2014.
- A. E. Caruso, D.S. Pruzan, V. Kosyak, A. Bhatia, E. A. Lund, C. Beall, I. Repins, M. A. Scarpulla Temperature Dependence of Equivalent Circuit Parameters Used to Analyze Admittance Spectroscopy and Application to Cases of Dopant Freezeout Such as CZTSSe 40th IEEE Photovoltaic Specialist Conference, Denver, CO (June 2014). Published, 12/01/2014.
- Helen J. Meadows, David Regesch, Maxime Thevenin, Jan Sendler, Thomas Schuler, Sudhajit Misra, Brian J. Simonds, Michael A. Scarpulla, Viktor Gerliz, Levent Gütay, Jerome Guillot, Phillip J Dale CuInSe2 semiconductor formation by laser annealing Thin Solid Films (Published online); http://dx.doi.org/10.1016/j.tsf.2014.10.042.
Published, 11/15/2014.
http://dx.doi.org/10.1016/j.tsf.2014.10.042 - Brian J. Simonds, V. Palekis, B. van Devener, C.A. Ferekides & M.A. Scarpulla (2014). Te-rich CdTe surface by pulsed UV laser treatment for ohmic back contact formation. 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014.
Published, 10/16/2014.
https://ieeexplore.ieee.org/document/6925413 - Brian J. Simonds, Vasilios Palekis, Brian Van Devener, Christos Ferekides and Michael A. Scarpulla Surface stoichiometry of pulsed ultraviolet laser treated polycrystalline CdTe Journal of Applied Physics 116, 013506 (2014); http://dx.doi.org/10.1063/1.4887079.
Published, 06/01/2014.
http://dx.doi.org/10.1063/1.4887079 - Akira Nagaoka, Hideto Miyake, Tomoyasu Taniyama, Koichi Kakimoto, Yoshitaro Nose, Michael A. Scarpulla, and Kenji Yoshino Effects of sodium on electrical properties in Cu2ZnSnS4 single crystal Applied Physics Letters 104, 152101 (2014); http://dx.doi.org/10.1063/1.4871208.
Published, 04/01/2014.
http://dx.doi.org/10.1063/1.4871208 - Elizabeth A. Lund, Hui Du, Win Maw Hlaing OO, Glenn Teeter, and Michael A. Scarpulla Investigation of combinatorial coevaporated thin film Cu2ZnSnS4 (II): Beneficial cation arrangement in Cu-rich growth Journal of Applied Physics 115, 173503 (2014); http://dx.doi.org/10.1063/1.4871665.
Published, 04/01/2014.
http://dx.doi.org/10.1063/1.4871665 - Hui Du, Fei Yan, Matthew Young, Bobby To, Chun-Sheng Jiang, Pat Dippo, Darius Kuciauskas, Zhenhuan Chi, Elizabeth A. Lund, Chris Hancock, Win Maw Hlaing OO, Mike A. Scarpulla and Glenn Teeter, Investigation of combinatorial coevaporated thin film Cu2ZnSnS4. I. Temperature effect, crystalline phases, morphology, and photoluminescence Journal of Applied Physics 115, 173502 (2014); http://dx.doi.org/10.1063/1.4871664.
Published, 04/01/2014.
http://dx.doi.org/10.1063/1.4871664 - Brian J. Simonds, Vasilios Palekis, Brian Van Devener, Christos Ferekides, Michael A. Scarpulla Pulsed Laser Induced Ohmic Back Contact in CdTe Solar Cells Applied Physics Letters 104, 141604 (2014); http://dx.doi.org/10.1063/1.4870838.
Published, 02/01/2014.
http://dx.doi.org/10.1063/1.4870838 - Strain tuning of native defect populations: The case of Cu2ZnSn(S,Se)4 APL Materials 2 012110 (2014).
Published, 01/2014.
http://dx.doi.org/10.1063/1.4863076 - Single Second Laser Annealed CuInSe2 Semiconductors from Electrodeposited Precursors as Absorber Layers for Solar Cells Journal of Physical Chemistry C 118 1451−1460 (2014).
Published, 01/2014.
http://dx.doi.org/10.1021/jp409804s - Crystallographic study of phases present in CuInSe2 absorber layers produced by laser annealing co-electrodeposited precursors Published in SPIE Proceedings Volume 8823: Thin Film Solar Technology V September 2013.
Published, 09/2013.
http://dx.doi.org/10.1117/12.2024084 - Pulsed UV laser annealing of polycrystalline CdTe Published in SPIE Proceedings Volume 8826: Laser Material Processing for Solar Energy Devices II.
Published, 09/2013.
http://dx.doi.org/10.1117/12.2024437 - A Quasichemical Model of Native Point Defect Equilibrium in Cu2ZnSnS4 (CZTS) and Application to One-Zone Annealing Journal of Applied Physics, 114 124501 (2013).
Published, 09/2013.
http://dx.doi.org/10.1063/1.4819206 - Continuous wave solid phase laser annealing of electrochemically deposited CuInSe2 thin films Journal of Applied Physics, 114 044904 (2013).
Published, 07/2013.
http://dx.doi.org/10.1063/1.4816250 - Effect of metal coating on machinability of high purity germanium using wire electrical discharge machining J. Materials Processing Technology, 213(6) 811-817 (2013).
Published, 06/2013.
http://dx.doi.org/10.1016/j.jmatprotec.2012.12.008 - Enhanced Light Absorption in Thin Film Solar Cells with Embedded Dielectric Nanoparticles: Induced Texture Dominates Mie Scattering Applied Physics Letters, 102 151111 (2013).
Published, 04/2013.
http://dx.doi.org/10.1063/1.4802718 - Effects of Off-Stoichiometry and 2nd Phases on Cu2ZnSn(S,Se)4 (CZTS) Device Parameters Proc. SPIE 8620, paper 8620-42, (2013).
Published, 04/2013.
http://dx.doi.org/10.1117/12.2012401 - Effects of pulsed laser annealing (PLA) on deep level defect populations in electrochemically-deposited and annealed CuInSe2 thin films. Thin Solid Films, 531 566-571 (2013).
Published, 03/01/2013.
http://dx.doi.org/10.1016/j.tsf.2012.12.076 - Equivalent Deflection Angle of Textured Surfaces Conference record of the 38th IEEE Photovoltaic Specialists Conference art. no. 6318121 , pp. 2575 – 2577 (2012). Published, 12/2012.
- The correlation of performance in CdTe photovoltaics with grain boundaries Proceedings of the 19th IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits, IPFA , art. no. 6306331.
Published, 12/2012.
http://dx.doi.org/10.1109/IPFA.2012.6306331 - Study of point defects in ns pulsed-laser annealed CuInSe2 thin films Conference record of the 38th IEEE Photovoltaic Specialists Conference (2012). Published, 12/2012.
- Effects of annealing in sulfur vapor on electrodeposited CuInSe2 films Conference record of the 38th IEEE Photovoltaic Specialists Conference, art. no. 6317742 , pp. 879 - 883 (2012). Published, 12/2012.
- Pulsed and continuous wave solid phase laser annealing of electrodeposited CuInSe2 thin films Proc. SPIE 8473, 84730F (Nov. 2012).
Published, 12/2012.
http://dx.doi.org/10.1117/12.930147 - Effect of metal coating on machinability of high purity germanium using wire electrical discharge machining J. Materials Processing Technology, 213(6) 811-817 (2013).
Published, 12/2012.
http://dx.doi.org/10.1016/j.jmatprotec.2012.12.008 - Grain growth study of electrochemically deposited CuInSe2 by rapid thermal annealing in sulfur atmosphere, Proceedings of the SPIE XVI International Workshop on the Physics of Semiconductor Devices, Volume 8549, PV19 (Oct. 2012). Published, 10/2012.
- Photovoltaic heterojunctions of earth abundant semiconductors: band alignments in the defective limit Materials Science and Engineering B, 177 1436– 1440 (2012).
Published, 09/07/2012.
http://www.sciencedirect.com/science/article/pii/S... - Temperature-dependent conductivity of polycrystalline Cu2ZnSnS4 thin films Applied Physics Letters, 100 263903 (2012).
Published, 06/2012.
http://dx.doi.org/10.1063/1.4731875 - Synthesis of Ge1-xSnx Alloy Thin Films Using Ion Implantation and Pulsed Laser Melting (II-PLM) J. Electronic Materials, 41(5) 837-844 (2012).
Published, 03/16/2012.
http://dx.doi.org/10.1007/s11664-012-2011-z - Exact field solution to guided wave propagation in lossy thin films Proc. SPIE 8256, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices, 825606 (February 9, 2012);.
Published, 02/2012.
http://dx.doi.org/10.1117/12.910168 - Exact field solution to guided wave propagation in lossy thin films Optics Express 19(21) 20159–20171 (2011).
Published, 11/2011.
http://www.opticsinfobase.org/oe/abstract.cfm?URI=... - Design principles for light-trapping in thin silicon films with embedded dielectric nanoparticles Progress in Photovoltaics: Research and Applications.
Published, 11/2011.
http://onlinelibrary.wiley.com/doi/10.1002/pip.118... - SnS thin-films by RF sputtering at room temperature Thin Solid Films, Volume 519, Issue 21, 31 August 2011, Pages 7421-7424.
Published, 08/31/2011.
http://www.sciencedirect.com/science?_ob=ArticleUR... - Enhanced Light Absorption in Thin-Film Silicon Solar Cells by Scattering from Embedded Dielectric Nanoparticles Conference record of the 37th IEEE Photovoltaic Specialists Conference (2011). Published, 06/2011.
- Detection of ZnS Phases in CZTS Thin-Films by EXAFS Conference record of the 37th IEEE Photovoltaic Specialists Conference (2011). Published, 06/2011.
- Pulsed Laser Processing of Electrodeposited CuInSe2 Photovoltaic Absorber Thin Films Conference record of the 37th IEEE Photovoltaic Specialists Conference (2011). Published, 06/2011.
- Electron Backscatter Diffraction and Photoluminescence of Sputtered CdTe Thin Films Conference record of the 37th IEEE Photovoltaic Specialists Conference (2011). Published, 06/2011.
- Grain Size and Texture of Cu2ZnSnS4 Thin Films Synthesized by Co-sputtering Binary Sulfides and Annealing: Effects of Processing Conditions and Sodium J. Electronic Materials 40(11) 2214-2221 (2011).
Published, 02/09/2011.
http://www.springerlink.com/content/k28520233g7x14... - E.A. Lund, J.L. Johnson, W.M. Hlaing Oo, and M.A. Scarpulla Investigating Sputtered Cu2Si1-xSnxS3 (CSTS) For Earth Abundant Thin Film Photovoltaics Conference record of the 35th IEEE Photovoltaic Specialists Conference, article 5616634, pp. 1948-1950 (2010). Published, 09/2010.
- A. Bhatia, P.J. Dale, M.M. Nowell, M. A. Scarpulla Pulsed laser processing of electrodeposited CuInSe2 photovoltaic absorber thin films Mat. Res. Soc. Symp. Proc. 1268 EE4.10 (2010). Published, 09/2010.
- J.L. Johnson, H. Nukala, E.A. Lund, W.M. Hlaing Oo, A. Bhatia, L.W. Rieth, M.A. Scarpulla Effects of 2nd phases, stress, and Na at the Mo/Cu2ZnSnS4 interface Mat. Res. Soc. Symp. Proc. 1268 EE3.3 (2010). Published, 09/2010.
- H. Nukala, J.L. Johnson, A. Bhatia, E.A. Lund, W.M. Hlaing Oo, M.M. Nowell, L.W. Rieth, and M.A. Scarpulla Synthesis of optimized CZTS thin films for photovoltaic absorber layers by sputtering from sulfide targets and sulfurization Mat. Res. Soc. Symp. Proc. 1268 EE3.4 (2010). Published, 09/2010.
- T. Kim, M.R. Pillai, M.J. Aziz, M.A. Scarpulla, O.D. Dubon, K.M. Yu, J.W. Beeman, and M.C. Ridgway Heat flow model for pulsed laser melting and rapid solidification of ion implanted GaAs Journal of Applied Physics, 108 013508 (2010).
Published, 07/06/2010.
http://jap.aip.org/resource/1/japiau/v108/i1/p0135... - T.E. Buehl, J.M. LeBeau, S. Stemmer, M.A. Scarpulla, C.J. Palmstrøm and A.C. Gossard Growth of embedded ErAs nanorods on (4 1 1)A and (4 1 1)B GaAs by molecular beam epitaxy Journal of Crystal Growth 312 (14) 2089-2092 (2010).
Published, 07/01/2010.
http://www.sciencedirect.com/science?_ob=ArticleUR... - W. Yi, V. Narayanamurti, H. Lu, M.A. Scarpulla, and A.C. Gossard Probing semiconductor band structures and heterojunction interface properties with ballistic carrier emission: GaAs/AlxGa1-xAs as a model system Physical Review B 81 235325 (2010).
Published, 06/24/2010.
http://prb.aps.org/abstract/PRB/v81/i23/e235325 - Enhanced absorption in optically thin solar cells by scattering from embedded dielectric nanoparticles Optics Express, Vol. 18, Issue S2, pp. A139-A146 (2010) Top Downloaded article in Optics Energy Express 3/2013.
Published, 05/19/2010.
http://www.opticsinfobase.org/oe/abstract.cfm?URI=... - P.R. Stone, O.D. Dubon, M.A. Scarpulla, and K.M. Yu Ga1-xMnxP Synthesized by Ion Implantation and Pulsed-Laser Melting Handbook of Semiconductor Spintronics, W.M. Chen and I.A. Buyanova, Eds. (Pan Stanford Publishing; Singapore, 2010), pp. 157-176. Published, 05/2010.
- Y. Y. Zhou, X. Liu, J. K. Furdyna, M. A. Scarpulla, and O. D. Dubon Ferromagnetic Resonance Study of Ga1-xMnxAs Fabricated on (311) GaAs Wafers by Mn Ion Implantation and Pulsed-Laser Melting Journal of Superconductivity and Novel Magnetism 23 (1) 87-90, (2010).
Published, 01/2010.
http://www.springerlink.com/content/c362tx0374p0g8... - W. Yi, V. Narayanamurti, H. Lu, M.A. Scarpulla, and A.C. Gossard Bandgap and Band Offsets Determination of Semiconductor Heterostructures using Three-terminal Ballistic Carrier Spectroscopy Applied Physics Letters 95 112102 (2009). Published, 2009.
- M.A. Scarpulla, C.S. Gallinat, S. Mack, J.S. Speck, and A.C. Gossard GdN (111) heteroepitaxy on GaN (0 0 01) by N2 plasma and NH3 molecular beam epitaxy Journal of Crystal Growth 311 1239 (2009). Published, 2009.
- G. Acbas, M.-H. Kim, M. Cukr, V. Novak, M. A. Scarpulla, O. D. Dubon, T. Jungwirth, J. Sinova, and J. Cerne Electronic structure of ferromagnetic semiconductor Ga1-xMnxAs probed by sub-gap magneto-optical spectroscopy Physical Review Letters 103 137201 (2009). Published, 2009.
- Y. Y. Zhou, X. Liu, J. K. Furdyna, M. A. Scarpulla, and O. D. Dubon Ferromagnetic resonance investigation of magnetic anisotropy in Ga1-xMnxAs synthesized by ion implantation and pulsed laser melting Physical Review B 80, 224403 (2009). Published, 2009.
- K.M. Yu, M.A. Scarpulla, W. Shan, J. Wu, J.W. Beeman, J. Jasinski, Z. Liliental-Weber, O.D. Dubon, and W. Walukiewicz Energetic Beam Synthesis of Dilute Nitrides and Related Alloys Dilute III-V Nitride Semiconductors and Material Systems, A. Erol, Ed. Springer Series in Materials Science 105 (Springer; Berlin 2008), pp. 1-34. Published, 2008.
- M.A. Scarpulla, R. Farshchi, P.R. Stone, R.V. Chopdekar, K.M. Yu, Y. Suzuki, and O.D. Dubon Electrical transport and ferromagnetism in Ga1-xMnxAs synthesized by ion implantation and pulsed-laser melting (II-PLM) Journal of Applied Physics 103 073913 (2008). Published, 2008.
- M.A. Scarpulla, J.M.O. Zide, J.M. LeBeau, C.G. van de Walle, A.C. Gossard, and K.T. Delaney Near-infrared absorption and semimetal-semiconductor transition in 2 nm ErAs nanoparticles embedded in GaAs and AlAs Applied Physics Letters 92 173116 (2008). Published, 2008.
- M.A. Scarpulla, P.R. Stone, I.D. Sharp, E.E. Haller, O.D. Dubon, J.W. Beeman, and K. M. Yu Non-magnetic compensation in ferromagnetic Ga1-xMnxAs and Ga1-xMnxP synthesized by ion implantation and pulsed-laser melting Journal of Applied Physics 103 123906 (2008). Published, 2008.
- C. Bihler, M. Kraus, M.S. Brandt, S.T.B. Goennenwein, M. Opel, M.A. Scarpulla, R. Farshchi, D.M. Estrada, and O.D. Dubon Suppression of hole mediated ferromagnetism in Ga1-xMnxP by hydrogen Journal of Applied Physics 104 013908 (2008). Published, 2008.
- Y.J. Cho, M.A. Scarpulla, Y.Y. Zhou, Z. Ge, X. Liu, M. Dobrowolska, K.M. Yu, O.D. Dubon, and J.K. Furdyna Magnetic anisotropy of Ga1-xMnxAs formed by ion implantation and pulsed laser melting Journal of Applied Physics 104 043902 (2008). Published, 2008.
- P.R. Stone, C. Bihler, M. Kraus, M.A. Scarpulla, J.W. Beeman, K.M. Yu, M.S. Brandt, and O.D. Dubon Compensation-dependent in-plane magnetization reversal processes in Ga1-xMnxP1-ySy Physical Review B 78 214421 (2008). Published, 2008.
- Y.J. Cho et al., Magnetic cluster phases of Mn-interstitial-free (Ga,Mn)As AIP Conf. Proc. 893, 1221 (2007) [28th International Conference on the Physics of Semiconductors]. Published, 2007.
- C. Bihler, M. Kraus, H. Huebl, M. S. Brandt, S.T.B. Goennenwein, M. Opel, M.A. Scarpulla, P.R. Stone, R. Farshchi, and O. D. Dubon Magnetocrystalline anisotropy and magnetization reversal in Ga1-xMnxP synthesized by ion implantation and pulsed-laser melting Physical Review B 75 214419 (2007). Published, 2007.
- M.-H. Kim, G. Acbas, M.-H. Yang, I. Ohkubo, H. Christen, D. Mandrus, M.A. Scarpulla, O.D. Dubon, Z. Schlesinger, P. Khalifah, and J. Cerne Determination of the infrared complex magnetoconductivity tensor in itinerant ferromagnets from Faraday and Kerr measurements Physical Review B 75 214416 (2007). Published, 2007.
- P. R. Stone, M.A. Scarpulla, R. Farshchi, I.D. Sharp, E.E. Haller, O.D. Dubon, K.M. Yu, J.W. Beeman, E. Arenholz, J.D. Denlinger, H. Ohldag Mn L3,2 X-ray Absorption Spectroscopy And Magnetic Circular Dichroism In Ferromagnetic Ga1-xMnxP AIP Conf. Proc. 893, 1177 (2007) [28th International Conference on the Physics of Semiconductors]. Published, 2007.
- K.M. Yu, M.A. Scarpulla, R. Farshchi, O.D. Dubon, and W. Walukiewicz Synthesis of highly mismatched alloys using ion implantation and pulsed laser melting Nuclear Instruments & Methods in Physics Research Section B 261 1150 (2007). Published, 2007.
- G. Acbas, J. Sinova, M.A. Scarpulla, O.D. Dubon, M. Cukr, V. Novak, and J. Cerne Comparison of the mid-infrared magneto-optical response of Ga(1-x)Mn(x)As films grown by molecular beam epitaxy and ion implantation and pulsed laser melting Journal of Superconductivity and Novel Magnetism 20 (6) 457-460 (2007). Published, 2007.
- O.D. Dubon, M.A. Scarpulla, R. Farshchi, and K.M. Yu Doping and defect control of ferromagnetic semiconductors formed by ion implantation and pulsed-laser melting Physica B 376-377 630 (2006). Published, 2006.
- P.R. Stone, M.A. Scarpulla, R. Farshchi, I.D. Sharp, E.E. Haller, O.D. Dubon, K.M. Yu, J.W. Beeman, E. Arenholz, J.D. Denlinger, H. Ohldag Mn L3,2 X-ray absorption and magnetic circular dichroism in ferromagnetic Ga1-xMnxP Applied Physics Letters 89 012504 (2006). Published, 2006.
- R. Farshchi, M.A. Scarpulla, P.R. Stone, K.M. Yu, I.D. Sharp, J.W. Beeman, H.H. Silvestri, L.A. Reichertz, E.E. Haller, and O.D. Dubon Compositional tuning of ferromagnetism and electronic transport in Ga1-xMnxP Solid State Communications 140 (9-10) 443 (2006). Published, 2006.
- K.M. Alberi, A. Minor, M.A. Scarpulla, S. Chung, D.E. Mars, K.M. Yu, W. Walukiewicz, and O.D. Dubon Fabrication of GaNxAs1-x Quantum Structures by Focused Ion Beam Patterning AIP Conf. Proc. 772, 223 (2005) [27th International Conference on the Physics of Semiconductors]. Published, 2005.
- M.A. Scarpulla, K.M. Yu, W. Walukiewicz, and O.D. Dubon Carrier Concentration Dependencies of Magnetization & Transport in Ga1-xMnxAs1-yTey AIP Conf. Proc. 772 1367 (2005) [27th International Conference on the Physics of Semiconductors]. Published, 2005.
- K.M. Yu, W. Walukiewicz, T. Wojtowicz, J. Denlinger, M.A. Scarpulla, X. Liu, and J.K. Furdyna Effect of film thickness on the incorporation of Mn interstitials in Ga1-xMnxAs Applied Physics Letters 86 (4) 042102 (2005). Published, 2005.
- M.A. Scarpulla, B.L. Cardozo, R. Farshchi, W.M. Hlaing Oo, M.D. McCluskey, K.M. Yu, and O. D. Dubon Ferromagnetism in Ga1-xMnxP: Evidence for Inter-Mn Exchange Mediated by Localized Holes within a Detached Impurity Band Physical Review Letters 95 207204 (2005). Published, 2005.
- K.M. Yu, W. Walukiewicz, W. Shan, J. Wu, J.W. Beeman, M.A. Scarpulla, O.D. Dubon, and P. Becla Synthesis and optical properties of II-O-VI highly mismatched alloys Journal of Applied Physics 95 (11) 6232-6238 (2004). Published, 2004.
- K.M. Yu, W. Walukiewicz, M.A. Scarpulla, O.D. Dubon, W. Shan, J. Wu, J.W. Beeman and P. Becla Synthesis and properties of highly mismatched II–O–VI alloys IEEE Proceedings-Optoelectronics 151 (5) 452-459 (2004). Published, 2004.
- K.M. Yu, W. Walukiewicz, J. Wu, W. Shan, M.A. Scarpulla, O.D. Dubon, J.W. Beeman, and P. Becla Diluted ZnMnTe oxide: a multi-band semiconductor for high efficiency solar cells Physica Status Solidi. B 241 (3) 660-663 (2004). Published, 2004.
- W. Shan, K.M. Yu, W. Walukiewicz, J.W. Beeman, J. Wu, J.W. Ager III, M.A. Scarpulla, O.D. Dubon, and E.E. Haller Effects of pressure on the band structure of highly mismatched Zn1-yMnyOxTe1-x alloys Applied Physics Letters 84 (6) 924-926 (2004). Published, 2004.
- O.D. Dubon, M.A. Scarpulla, K.M. Yu, and W. Walukiewicz Diluted semiconductors formed from energetic beams IOP Conference Series 184 399 (2005) [Compound Semiconductors 2004]. Published, 2004.
- K.M. Yu, W. Walukiewicz, J.Wu, W. Shan, J.W. Beeman, M.A. Scarpulla, O.D. Dubon, and P. Becla Diluted II-VI Oxide Semiconductors with Multiple Band Gaps Physical Review Letters 91 (24) 246403 (2003). Published, 2003.
- K.M. Yu, W. Walukiewicz, J. Wu, W. Shan, J.W. Beeman, M.A. Scarpulla, O. D. Dubon, M.C. Ridgway, D.E. Mars, and D.R. Chamberlin Mutual passivation of group IV donors and nitrogen in diluted GaNxAs1–x alloys Applied Physics Letters 83 (14) 2844-2846 (2003). Published, 2003.
- K.M. Yu, W. Walukiewicz, M.A. Scarpulla, O.D. Dubon, J. Wu, J. Jasinski, Z. Liliental-Weber, J.W. Beeman, M.R. Pillai, M.J. Aziz Synthesis of GaNxAs1-x thin films by pulsed laser melting and rapid thermal annealing of N+-implanted GaAs Journal of Applied Physics 94 (2) 1043-1049 (2003). Published, 2003.
- C.A. Santos, B.D. Freedman, S. Ghosn, J.S. Jacob, M.A. Scarpulla, E. Mathiowitz Evaluation of anhydride oligomers within polymer microsphere blends and their impact on bioadhesion and drug delivery in vitro Biomaterials 24 3571 (2003). Published, 2003.
- M.A. Scarpulla U. Daud, K.M. Yu, O. Monteiro, Z. Liliental-Weber, D. Zakharov, W. Walukiewicz, and O.D. Dubon Diluted magnetic semiconductors formed by ion implantation and pulsed-laser melting Physica B 340–342 908 (2003) [22nd International Conference on Defects in Semiconductors]. Published, 2003.
- M.A. Scarpulla, O. D. Dubon, K.M. Yu, O. Monteiro, M.R. Pillai, M.J. Aziz, M.C. Ridgway Ferromagnetic Ga1-xMnxAs produced by ion implantation and pulsed-laser melting Applied Physics Letters 82 (8) 1251-1253 (2003). Published, 2003.
- M.A. Scarpulla, C.M. Mate, and M.D. Carter Air shear driven flow of thin perfluoropolyether polymer films Journal of Chemical Physics 118 (7) 3368-3375 (2003). Published, 2003.
- K.M. Yu, J. Wu, W. Walukiewicz, W. Shan, J.W. Beeman, D.E. Mars, D.R. Chamberlin, M.A. Scarpulla, O.D. Dubon, M.C. Ridgway, J.F. Geisz Mutual passivation of group IV donors and isovalent nitrogen in diluted GaNxAs1-x alloys Physica B 340–342 389 (2003). Published, 2003.
- K.M. Yu, W. Walukiewicz, J. Wu, D.E. Mars, D.R. Chamberlin, M.A. Scarpulla, O.D. Dubon, and J.F. Geisz Mutual passivation of electrically active and isovalent impurities Nature Materials 1 (3) 185-189 (2002). Published, 2002.
- K.M. Yu, W. Walukiewicz, J.W. Beeman, M.A. Scarpulla, O.D. Dubon, M.R. Pillai, and M.J. Aziz Enhanced nitrogen incorporation by pulsed laser annealing of GaNxAs1-x formed by N ion implantation Applied Physics Letters 80 (21) 3958-3960 (2002). Published, 2002.
- T.E. Karis, B. Marchon, V. Flores, and M.A. Scarpulla Lubricant spin-off from magnetic recording disks Tribology Letters 11 (3-4) 151-159 (2001). Published, 2001.
- C.M. Mate, B.K. Yen, D.C. Miller, M. F. Toney, M.A. Scarpulla, and J. E. Frommer New methodologies for measuring film thickness, coverage, and topography IEEE Transactions on Magnetics 36 (1) 110-114 (2000). Published, 2000.
- C.A. Santos, B.D. Freedman, K.J. Leach, D.L. Press, M.A. Scarpulla, E. Mathiowitz Poly(fumaric-co-sebacic anhydride) - A degradation study as evaluated by FTIR, DSC, GPC and X-ray diffraction Journal of Controlled Release 60 (1) 11-22 (1999). Published, 1999.
Presentations
- M.A. Scarpulla Where are the defects in Ga2O3 and how did they get there? Paul Drude Institute, Berlin GraFOx Seminar April 21, 2022 . Invited Talk/Keynote, Presented, 04/21/2022.
- M.A. Scarpulla Manipulation of Defects in Ga2O3 WOCSEMMAD 2022, Miramar Beach Florida, 23 Feb 2022 . Invited Talk/Keynote, Presented, 02/23/2022.
- M.A. Scarpulla Where are the defects in Ga2O3 and how did they get there? ACS Electronic Materials and Applications 2022 (EMA 2022), Jan 19-21 2022, Orlando FL . Invited Talk/Keynote, Presented, 01/20/2022.
- M.A. Scarpulla Shining the Spotlight on Defects in Ga2O3 School of Microelectronics, special seminar, Xidian University, China. Once yearly seminar. Attendance on Zoom >290 graduate students and other researchers. Virtual, Nov. 22 2021 . Invited Talk/Keynote, Presented, 11/22/2021.
- M.A. Scarpulla Shining the Spotlight on Defects in Ga2O3 Penn State U Engineering Science and Mechanics Graduate Seminar, Oct. 27, 2021 . Invited Talk/Keynote, Presented, 10/27/2021.
- M.A. Scarpulla Shining the Spotlight on Defects in Ga2O3 Invited Plenary, International Conference on Defects in Semiconductors ICDS 2021 (Oslo, Sweeden, virtual July 2021). Conference occurs odd years. Invited Talk/Keynote, Presented, 07/01/2021.
- M.A. Scarpulla How grain boundary structure and composition are affected by CdTe solar cell processing and affect performance European MRS (EMRS) virtual June 3, 2021 . Invited Talk/Keynote, Presented, 06/03/2021.
- M.A. Scarpulla, et al. Photoluminescence and disorder in CdTe thin films CSU / First Solar CdTe Workshop, virtual, Oct (2020) . Invited Talk/Keynote, Presented, 10/01/2020.
- M.A. Scarpulla, K. Ahn, Y. K. Ooi, D. Feezell, F. Mirkhosravi, E. Mace, J. Gallagher, A. Lintereur Gamma Ray Irradiation Effects in Ga-Polar and N-Polar GaN WOCSEMMAD 2020, Palm Springs CA, Feb 2020 . Invited Talk/Keynote, Presented, 02/17/2020.
- M.A. Scarpulla, et al. As doping & lifetime in single crystal CdTe and effects of Grain Boundaries at Back Contacts CSU / First Solar CdTe Workshop, Golden, CO (2019) . Invited Talk/Keynote, Presented, 10/24/2019.
- M.A. Scarpulla et al., As doping, grain boundaries, and photo effects in CdTe, CSU/First Solar CdTe Workshop, San Jose, CA. Invited Talk/Keynote, Presented, 11/03/2017.
- M.A. Scarpulla, et al. Processing and Characterization of CdTe Back Contacts CSU-IEECAS CdTe Workshop, Beijing China Nov 12-13 2016. Invited Talk/Keynote, Presented, 11/13/2016.
- M.A. Scarpulla, et al. Effects of Excess Carriers on Point Defect Formation CO School of Mines, Physics Department Colloquium, Oct 11 2016 . Invited Talk/Keynote, Presented, 10/11/2016.
- M.A. Scarpulla, et al. Processing and Characterization of CdTe for thin film photovoltaics BYU Physics Department Seminar, Sept 28 2016. Invited Talk/Keynote, Presented, 09/28/2016.
- M.A. Scarpulla, et al. Processing and Characterization of CdTe for thin film photovoltaics UT Austin / CSU I/UCRC for Next Generation Photovoltaics Seminar, Sept 6 2016. Invited Talk/Keynote, Presented, 09/06/2016.
- M.A. Scarpulla, et al. Laser processing of compound semiconductor thin film photovoltaics SPIE Photonics West, San Fransisco CA (Feb. 18, 2016). Invited Talk/Keynote, Presented, 02/18/2016.
- M.A. Scarpulla, et al. Laser Processing of CdTe for Thin Film Photovoltaics Physics Dept., Washington State U, Pullman, WA (Nov. 17, 2015). Invited Talk/Keynote, Presented, 11/17/2015.
- M.A.Scarpulla, et al., Can CZTS Live up to its Promise?: Perspectives from Defect Spectroscopies Physics Dept., U Oregon, Eugene, OR. Invited Talk/Keynote, Presented, 04/30/2015.
- M.A. Scarpulla, et al. Can CZTS Live up to its Promise?: Perspectives from Defect Spectroscopies Physics Dept., Oklahoma State University, Oklahoma City, OK (Apr 2015) . Invited Talk/Keynote, Presented, 04/02/2015.
- M.A. Scarpulla, et al. Can CZTS Live up to its Promise?: Perspectives from Defect Spectroscopies Physics Dept., Colorado State University, Ft. Collins, CO (Feb 2015). Invited Talk/Keynote, Presented, 02/23/2015.
- Defect Studies on Earth Abundant CZTSSe Photovoltaic Absorber Layers
Accelerating the Development of Earth-Abundant Thin-Film Photovoltaics Workshop, CalTech
.
Invited Talk/Keynote,
Presented, 03/2013.
http://www.lmi.caltech.edu/2013earthabundant/ - Defect Studies on Earth Abundant CZTSSe Photovoltaic Absorber Layers Sunshot / NREL / IBM Workshop on CZTSSe (Yorktown Heights, NY, Jan. 2013) . Invited Talk/Keynote, Presented, 01/2013.
- Growth, Composition, Phase, Grain Boundary, and Defect Studies of CZTSSe MSE Department, University of Illinois Urbana-Champain . Invited Talk/Keynote, Presented, 11/2012.
- Growth, Composition, Phase, Grain Boundary, and Defect Studies of CZTSSe
Minnesota Nano Workshop, University of Minnesota.
Invited Talk/Keynote,
Presented, 11/2012.
http://www.nano.umn.edu/secondary.php?nav=workshop - Growth, Composition, Phase, Grain Boundary, and Defect Studies of CZTSSe MSE Department, Iowa State University (Nov. 2012) . Invited Talk/Keynote, Presented, 11/2012.
- Defects, CIGSSe, and CZTSSe
NREL/DOE HOPE Tutorial, NREL.
Invited Talk/Keynote,
Presented, 07/2012.
http://www.nrel.gov/pv/hope.html - Photonic Concepts for Improving Light Absorption in Thin Si Solar Cells ECE Department, University of Texas Austin. Invited Talk/Keynote, Presented, 06/2012.
- A. Bhatia, M.A. Karmarkar, P.J. Dale, and M.A. Scarpulla Grain growth study of electrochemically deposited CuInSe2 by rapid thermal annealing in sulfur atmosphere SPIE XVI International Workshop on the Physics of Semiconductor Devices, Kanpur, India (Dec. 2011), paper PV19 . Conference Paper, Refereed, Presented, 12/2011.
- Earth-Abundant Photovoltaic Heterojunctions in the Defective Limit XX International Materials Research Congress, Cancun, Mexico. Invited Talk/Keynote, Presented, 08/2011.
- J.R. Nagel and M.A. Scarpulla Design Principles for Light-Trapping in Thin Silicon Films with Embedded Dielectric Nanoparticles TMS Electronic Materials Conference, Santa Barbara, CA (Jun. 2011). Conference Paper, Refereed, Presented, 06/2011.
- J.R. Nagel and M.A. Scarpulla Enhanced Light Absorption in Thin-Film Silicon Solar Cells by Scattering from Embedded Dielectric Nanoparticles 37th IEEE Photovoltaic Specialists Conference, Seattle, WA (Jun. 2011) . Conference Paper, Refereed, Presented, 06/2011.
- A. Bhatia, H. Meadows, W.M. Hlaing Oo, P.J. Dale, and M.A. Scarpulla Pulsed Laser Processing of Electrodeposited CuInSe2 Photovoltaic Absorber Thin Films 37th IEEE Photovoltaic Specialists Conference, Seattle, WA (Jun. 2011) . Conference Paper, Refereed, Presented, 06/2011.
- M.M. Nowell, M.A. Scarpulla, A.D. Compaan, X. Liu, D. Kwon, and K.A. Wieland Electron Backscatter Diffraction and Photoluminescence of Sputtered CdTe Thin Films 37th IEEE Photovoltaic Specialists Conference, Seattle, WA (Jun. 2011) . Conference Paper, Refereed, Presented, 06/2011.
- K. Hartman, B.K. Newman, V. Chawla, P.A. Fernandes, H. Du, J.L. Johnson,T. Bolin, M.A. Scarpulla, G. Teeter, A.F. da Cunha, B.M. Clemens, and T. Buonassisi Detection of ZnS Phases in CZTS Thin-Films by EXAFS 37th IEEE Photovoltaic Specialists Conference, Seattle, WA (Jun. 2011). Conference Paper, Refereed, Presented, 06/2011.
- A. Bhatia, W.M. Hlaing Oo, G. Siegel, P.R. Stone, K.M. Yu, and M.A. Scarpulla Synthesis of Ge(1-x)Snx Alloy Thin Films Using Ion-Implantation and Pulsed Laser Melting (II-PLM) TMS Electronic Materials Conference, Santa Barbara, CA (Jun. 2011). Conference Paper, Refereed, Presented, 06/2011.
- J.L. Johnson and M.A. Scarpulla
Cu2ZnSnS4 and Mo Annealing by Rapid Thermal Annealing and Its Effects on Grain Growth and Cell Performance
MRS Spring Meeting, San Francisco, CA (Apr. 2011)
.
Conference Paper, Refereed,
Presented, 04/2011.
http://www.mrs.org/s11program-b/ - H. Du, M. Young, F. Yan, S. Johnstone, W.M. Hlaing Oo, E.A. Lund, M.A. Scarpulla and G. Teeter
Effects of Composition on Thin-film Cu2ZnSnS4 Material Properties.
MRS Spring Meeting, San Francisco, CA (Apr. 2011)
.
Conference Paper, Refereed,
Presented, 04/2011.
http://www.mrs.org/s11program-d/ - K. Hartman, J.L. Johnson, M.A. Scarpulla, and T. Buonassisi
Gwth of Tin Monosulfide (SnS) Thin-films by RF Sputtering and Post-deposition Annealing.
MRS Spring Meeting, San Francisco, CA (Apr. 2011)
.
Conference Paper, Refereed,
Presented, 04/2011.
http://www.mrs.org/s11program-d/ - J.R. Nagel and M.A. Scarpulla
Enhanced Light-trapping in Thin-film Silicon Solar Cells Via Scattering from Embedded Nanoparticles
MRS Spring Meeting, San Francisco, CA (Apr. 2011)
.
Conference Paper, Refereed,
Presented, 04/2011.
http://www.mrs.org/s11program-a/ - Pulsed-laser annealing of electrodeposited CuInSe2 thin-film photovoltaic absorber layers NSF Workshop on Laser Processing and Energy Applications, Berkeley, CA. Invited Talk/Keynote, Presented, 01/2011.
- M.A. Scarpulla et al.
Epitaxial Integration of Rare Earth Pnictides in III-V Semiconductors
Materials Research Society Fall Meeting, Boston, MA (Dec. 2010)
Symposium: Magnetism and Correlated Electronic Structure of Nitrides: Rare Earth and Transition Metals as Constituents and Dopants
.
Invited Talk/Keynote,
Presented, 12/2010.
http://www.mrs.org/f10program-i/ - M.A. Scarpulla et al. Light Trapping in Thin Film Si Solar Cells Seminar, Laboratoire Photovoltaïque, Université du Luxembourg (Nov. 2010) . Invited Talk/Keynote, Presented, 11/2010.
- M.A. Scarpulla et al.
Commodity Element Chalcogenide Semiconductors for >GW-Scale Photovoltaics
218th Electrochemical Society Meeting, Las Vegas, NV (Oct. 2010)
SOTAPOCS Symposium.
Invited Talk/Keynote,
Presented, 10/10/2010.
http://ecsmeet3.peerx-press.org/jsp/mas/reportTech...
Research Groups
- ISAAC THOMAS, Graduate Student. ECE. 01/01/2023 - 04/30/2024.
- Ariful Islam, Graduate Student. 08/15/2022 - 04/30/2026.
- Rujun Sun, Postdoc. MSE & ECE. 04/01/2019 - 08/31/2021.
- Joshua Winger, Graduate Student. MSE. 08/01/2018 - 04/30/2019.
- Zackary Larsen, Undergraduate Student. ECE. 08/01/2018 - 04/30/2019.
- Samuel Sprawls, Graduate Student. MSE. 09/01/2017 - 12/31/2019. Awards/Scholarships/Stipends: ARCS fellowship.
- Mashaduddin (Mashad) Saleh, Graduate Student. ECE. 09/01/2017 - 12/31/2019.
- Emily Timmins, Graduate Student. MSE. 05/01/2017 - 04/30/2018.
- Thomas Wilenski, Graduate Student. ECE. 05/01/2016 - 04/30/2018.
- Chalapathi Uppala, Visiting Student. 05/01/2014 - 10/30/2014. Awards/Scholarships/Stipends: IUSSTF & DST Bhaskara Advanced Solar Energy (BASE) internship program.
- Omar Salah, Undergraduate Student. MSE. 04/15/2014 - 05/01/2015.
- Anna Caruso, Graduate Student. ECE. 09/2013 - 09/01/2017.
- Vipul Kheraj, Visiting Faculty. SVNIT, India. 09/2013 - 09/2014. Awards/Scholarships/Stipends: Fullbright / Nehru Scholarship.
- JaDee Bodell, Undergraduate Student. 08/2011 - 05/15/2014.
- Jan Muessener, Graduate Student. University of Giessen. 08/2011 - 11/2011. Awards/Scholarships/Stipends: PROMOS Fellowship from Deutscher Akademischer Auslandsdienst (DAAD).
- Ben Perschon, Undergraduate Student. MSE. 02/21/2011 - 05/01/2012.
- Jash Sayani, Undergraduate Student. School of Computing. 02/01/2011 - 03/01/2012.
- Guy Miller, Undergraduate Student. ECE. 08/31/2010 - 12/31/2010.
- Silas Bennett, Visiting Student. Cal Tech. 06/23/2010 - 09/01/2011.
- Win Maw Hlaing Oo, Postdoc. MSE. 11/01/2009 - 06/25/2011.
- Eric Leonard, Undergraduate Student. ECE. 06/2009 - 12/31/2009.
- Katherine Hartman, Visiting Student. MSE at MIT. 03/01/2009 - 12/31/2010.
- Matt Nowell, Graduate Student. MSE, EDAX TSL Inc.. 09/2008 - 04/2010.
- Gene Siegel, Undergraduate Student. MSE. 08/2008 - 05/2010. Awards/Scholarships/Stipends: UROP.
Research Equipment and Testing Expertise
- Sputtering, sulfurizing furnaces, AFM, Chemical Bath Deposition, monochromators, semiconductor spectroscopy techniques .
Geographical Regions of Interest
- Antarctica
- Australia and New Zealand
- France
- Germany
- Italy
- Luxembourg
- Portugal
- South America
- Spain
- United Kingdom of Great Britain and Northern Ireland
Research/Scholarship Projects
- THz Transmission and Modulation Through Superconducting Hole Arrays. PI: Scarpulla. Co-PI(s): Nahata. 04/2010 - 08/2010.
- Ion Implantation and Pulsed Laser Melting (II-PLM) to Synthesize Direct Bandgap Ge1-xSnx Alloy Thin Films. PI: Mike Scarpulla. 08/2009 - 12/2011.
- Light Trapping in Optically-Thin Si Solar Cells via Dielectric Nanoparticle Scattering. PI: Mike Scarpulla. 02/2009 - 05/2013.