78  F. Mirkhosravi, A. Rashidi, Gallagher,  M. Monavarian,  A. Aragon, K. Ahn, Y. K. Ooi, A. Lintereur,  E. K. Mace,  M. A. Scarpulla, and D. Feezell

Impact of high-dose gamma-ray irradiation on electrical characteristics of N-polar and Ga-polar GaN p–n diodes

AIP Advances 11, 025009 (2021); https://doi.org/10.1063/5.0021382

 

77 Rujun Sun et al, O annealing effects in Ga2O3 by PL

J Phys D (accepted)

 

76 Praneeth Ranga, Arkka Bhattacharyya, Adrian Chmielewski, Saurav Roy, Rujun Sun, Michael A. Scarpulla, Nasim Alem and Sriram Krishnamoorthy

Growth and characterization of metalorganic vapor-phase epitaxy-grown β-(AlxGa1-x)2O3/β-Ga2O3 heterostructure channels

Applied Physics Express 14(2) 025501 https://doi.org/10.35848/1882-0786/abd675

 

75 P. Gopalan, S. Knight, A. Chanana, M. Stokey, P. Ranga, M.A. Scarpulla, S. Krishnamoorthy, V. Darakchieva, Z. Galazka, K. Irmscher, A. Fiedler, S. Blair, M. Schubert and B. Sensale-Rodriguez

The anisotropic quasi-static permittivity of single-crystal β-Ga₂O₃ measured by terahertz spectroscopy Applied Physics Letters 117, 252103 (2020); https://doi.org/10.1063/5.0031464

 

74 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

73 Defect states and their electric field-enhanced electron thermal emission in heavily Zr-doped β-Ga₂O₃ crystals

R Sun, YK Ooi, A Bhattacharyya, M Saleh, S Krishnamoorthy, KG Lynn, and M.A. Scarpulla

Applied Physics Letters 117, 212104 (2020); https://doi.org/10.1063/5.0029442

 

72 Brian Eisner,  Praneeth Ranga,  Arkka Bhattacharyya,  Sriram Krishnamoorthy, and  Michael A. Scarpulla

Compensation in homoepitaxial β-Ga₂O₃ thin films grown by metalorganic vapor-phase epitaxy

Journal of Applied Physics 128, 195703 (2020); https://doi.org/10.1063/5.0022043

 

71 Hunter D. Ellis, Mashad Uddin Saleh, Samuel R. Kingston, Joel B. Harley, Michael A. Scarpulla, Evan J. Benoit, and Cynthia M. Furse.,

A Model for SSTDR Signal Propagation Through Photovoltaic Strings

IEEE Journal of Photovoltaics 10(6) pp. 1846-1852 (2020) https://dx.doi.org/10.1109/JPHOTOV.2020.3023801

 

70 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.  https://dx.doi/10.1109/JSEN.2020.3029707.

 

69 R Sun, YK Ooi, PT Dickens, KG Lynn, MA Scarpulla

On the origin of red luminescence from iron-doped β-Ga2O3 bulk crystals

Applied Physics Letters 117 (5), 052101   https://doi.org/10.1063/5.0012967

 

68 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

 

67 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

 

66 Samuel Kingston, Naveen Kumar Tumkur Jayakumar, Mashad U. Saleh, Evan Benoit, Ayobami S. Edun, Rujun Sun, Cynthia Furse, Michael Scarpulla, and Joel B. Harley

Measurement of Capacitance using Spread Spectrum Time Domain Reflectometry (SSTDR) and Dictionary Matching

IEEE Sensors Journal, 20(17) pp. 10102-10109 (2020).  https://dx.doi.org/10.1109/JSEN.2020.2992998

 

65 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

 

64 Jacqueline Cooke, Leila Ghadbeigi, Rujun Sun, Arkka Bhattacharyya, Yunshan Wang, Michael A. Scarpulla, Sriram Krishnamoorthy, and Berardi Sensale-Rodriguez

Synthesis and Characterization of Large‐Area Nanometer‐thin β‐Ga₂O₃ Films from Oxide Printing of Liquid Metal Gallium

Physica Status Solidi (a) https://doi.org/10.1002/pssa.201901007

 

63 Arkka Bhattacharyya, Praneeth Ranga, Muad Saleh, Saurav Roy, Michael A. Scarpulla, Kelvin G. Lynn,

and Sriram Krishnamoorthy

Schottky Barrier Height Engineering In β-Ga₂O₃ Using SiO₂ Interlayer Dielectric

IEEE Journal of the Electron Devices Society.  https://dx.doi.org/10.1109/JEDS.2020.2974260

 

62 Mashad Uddin Saleh, Joel B Harley, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Evan Benoit, Michael A Scarpulla, and Cynthia Furse

Reflectometry on asymmetric transmission line systems

Progress In Electromagnetics Research 89, 121-130.   https://www.jpier.org/PIERM/pier.php?paper=19110702

 

61 Sudhajit Misra, Jeffery A Aguiar, Sophia Gardner, Xiahan Sang, Raymond R. Unocic, Amit Munshi, Walajabad Sampath, Chris S. Ferekides, Michael A. Scarpulla

Cadmium Selective Etching in CdTe Solar Cells Produces Detrimental Narrow-gap Te in Grain Boundaries

ACS Applied Energy Materials (2020) https://doi.org/10.1021/acsaem.9b02224

 

60 Ayobami S. Edun, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Cynthia Furse, Michael Scarpulla, and Joel B. Harley

Spread Spectrum Time Domain Reflectometry with Lumped Elements on Asymmetric Transmission Lines

IEEE Sensors Journal,  https://dx.doi.org/10.1109/JSEN.2020.2967894

 

59 Panagiota Arnou, Alberto Lomuscio, Thomas P. Weiss, Daniel Siopa, Sergio Giraldo, Edgardo Saucedo, Michael A. Scarpulla, and Phillip J. Dale

Continuous-wave laser annealing of metallic layers for CuInSe2 solar cell applications: effect of reheating treatment on grain growth

RSC Advances 10 (1), 584-594 (2020).  http://dx.doi.org/10.1039/C9RA06896A

58 Mashad Uddin Saleh, Samuel Kingston, Naveen Kumar Tumkur Jayakumar, Evan Benoit, Joel B. Harley, Cynthia Furse, Mike Scarpulla

Detection and Localization of Disconnections in PV Strings Using Spread-Spectrum Time-Domain Reflectometry

IEEE Journal of Photovoltaics 10 (1), 236-242 (2019).  http://dx.doi.org/10.1109/JPHOTOV.2019.2953392

 

57 Sudhajit Misra, Jeffery A. Aguiar, Yubo Sun, Brian v. Devener, Vasilios Palekis, Christos S. Ferekides, Heayoung P. Yoon, Peter Bermel, and Michael A. Scarpulla

Observation and Implications of Composition Inhomogeneity Along Grain Boundaries in Thin Film Polycrystalline CdTe Photovoltaic Devices

Advanced Materials Interfaces 1900152 01 July 2019.  https://doi.org/10.1002/admi.201900152

 

56 Joel B. Harley, Mashad Uddin Saleh, Samuel Kingston, Michael A. Scarpulla, Cynthia M. Furse

Fast Transient Simulations for Multi-Segment Transmission Lines with a Graphical Model

Progress in Electromagnetics Research, 165 (2019), pp. 67-82. http://www.jpier.org/PIER/pier.php?paper=19042105

 

55 Akira Nagaoka, Kensuke Nishioka, Kenji Yoshino, Darius Kuciauskas and Michael A. Scarpulla

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 12 081002 (2019), https://doi.org/10.7567/1882-0786/ab27fb

 

54 David J. Magginetti, Jeffery A. Aguiar, Joshua R. Winger, Michael A. Scarpulla, Erfan Pourshaban

and Heayoung P. Yoon

Water‐Assisted Liftoff of Polycrystalline CdS/CdTe Thin Films Using Heterogeneous Interfacial Engineering

Applied Materials Interfaces 2019, 6, 1900300     DOI: https://doi.org/10.1002/admi.201900300

 

53 Naveen Kumar Tumkur Jayakumar, Evan Benoit, Samuel Kingston, Mashad Uddin Saleh, Michael Scarpulla, Joel Harley, and Cynthia Furse

Post-Processing for Improved Accuracy and Resolution of Spread Spectrum Time Domain Reflectometry (SSTDR)

IEEE Sensors Letters 3(6) 2019 1500204, https://dx.doi.org/10.1109/LSENS.2019.2916636

 

52 U. Chalapathi, M. A. Scarpulla, Si-Hyun Park, S. Uthanna, and V. Sundara Raja

Improving the grain size of Cu₂ZnSnS₄ thin films by annealing thermally evaporated Cu-ZnS-Sn-S precursors

J Materials Science: Materials in Electronics 30(5) 4931-4935 https://dx.doi.org/10.1007/s10854-019-00788-1

 

51 Prashanth Gopalan, Ashish Chanana, Sriram Krishnamoorthy, Ajay Nahata, Michael A. Scarpulla, and Berardi Sensale-Rodriguez

Ultrafast THz modulators with WSe₂ thin films [Invited]

Optical Materials Express 9(2) 826-836 (2019).  https://dx.doi.org/10.1364/OME.9.000826

50 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

Incident wavelength and polarization dependence of spectral shifts β-Ga₂O₃ UV photoluminescence

Scientific Reports 8, 18075 (2018).  http://dx.doi.org/10.1038/s41598-018-36676-7

 

49 Mashad Uddin Saleh, Josiah LaCombe, Naveen Kumar Tumkur Jayakumar, Samuel Kingston, Joel Harley, Cynthia Furse, and Mike Scarpulla

Signal Propagation Through Piecewise Transmission Lines for Interpretation of Reflectometry in Photovoltaic Systems

IEEE Journal of Photovoltaics 9(2) pp. 506–512 (2018).  http://dx.doi.org/10.1109/jphotov.2018.2884011

 

48 Kyu-Bum Han, Su Kong Chong, Anton O. Oliynyk, Akira Nagaoka, Suzanne Petryk, Michael A. Scarpulla, Vikram V. Deshpande & Taylor D. Sparks

Enhancement in surface mobility and quantum transport of Bi_2−xSb_xTe_3-ySe_y topological insulator by controlling the crystal growth conditions

Scientific Reports, Vol 8, 17290 (2018).  https://www.nature.com/articles/s41598-018-35674-z

 

47 A Nagaoka, D Kuciauskas, J McCoy, MA Scarpulla

High p-type doping, mobility, and photocarrier lifetime in arsenic-doped CdTe single crystals

Appl. Phys. Lett. 112, 192101 (2018); https://doi.org/10.1063/1.5029450.

(APL highly-cited, highly-read research in semiconductors 2020)

 

46 K. Alberi and M.A. Scarpulla

Effects of excess carriers on charged defect concentrations in wide bandgap semiconductors

Journal of Applied Physics 123 (18), 185702 (2018).  https://doi.org/10.1063/1.5010945

 

45 A. Keqi, M. Gehlmann, G. Conti, S. Nemšák, A. Rattanachata, J. Minár, L. Plucinski, J. E. Rault, J. P. Rueff, M. 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, and C. S. Fadley

Electronic structure of the dilute magnetic semiconductor Ga_1-xMn_xP from hard x-ray photoelectron spectroscopy and angle-resolved photoemission

Physical Review B, 97 155149 (2018).  https://doi.org/10.1103/PhysRevB.97.155149

 

44 Wendy J. Nimens, Jonathan Ogle, Anna Caruso, Mckenzie Jonely, Charles Simon, Detlef Smilgies, Rodrigo Noriega, Michael Scarpulla, and Luisa Whittaker-Brooks

Morphology and Optoelectronic Variations Underlying the Nature of the Electron Transport Layer in Perovskite Solar Cells

ACS Applied Energy Materials 1(2) 602–615 (2018) http://dx.doi.org/10.1021/acsaem.7b00147

 

43 Vipul Kheraj, Brian J Simonds, Aditi Toshniwal, Sudhajit Misra, Peter Peroncik, C Zhang, ZV Vardeny, Michael A Scarpulla

Using photoluminescence to monitor the optoelectronic properties of methylammonium lead halide perovskites in light and dark over periods of days

Journal of Luminescence 194 353-358 (2018).  https://doi.org/10.1016/j.jlumin.2017.10.021

 

42 K Tse, M Wong, Y Zhang, J Zhang, M Scarpulla, J Zhu

Defect Properties of Na and K in Cu₂ZnSnS₄ from Hybrid Functional Calculation.

Journal of Applied Physics 124, 165701 (2018); https://doi.org/10.1063/1.5046734

 

41 Kirstin Alberi and Michael A. Scarpulla

Photoassisted physical vapor epitaxial growth of semiconductors: a review of light-induced modifications to growth processes.

10. Phys. D: Appl. Phys. 51 023001 (2018). https://doi.org/10.1088/1361-6463/aa944c

 

40 Rujun Sun, Daming Zhuang, Ming Zhao, Qianming Gong, Mike Scarpulla, Yaowei Wei, Guoan Ren, Yixuan Wu

Beyond 11% efficient Cu₂ZnSn(Se,S)₄ thin film solar cells by cadmium alloying

Solar Energy Materials and Solar Cells, 174 494-498 (2018). https://doi.org/10.1016/j.solmat.2017.09.043

39 Dennis Schmidt Pruzan, Carina E Hahn, Sudhajit Misra and Michael A Scarpulla

CdTe_1-xS_x (x≤0.05) thin films synthesized by aqueous solution deposition and annealing.

Materials Research Express 4 115904 (2017).  https://doi.org/10.1088/2053-1591/aa993e

 

38 Akira Nagaoka, Darius Kuciauskas, and Michael A. Scarpulla

Doping properties of cadmium-rich arsenic-doped CdTe single crystals: Evidence of metastable AX behavior

Applied Physics Letters, 111, 232103 (2017).  https://doi.org/10.1063/1.4999011

 

37 V. Kosyak, A.V. Postnikov, J. Scragg, M.A. Scarpulla, and C. Platzer-Björkman

Point defect concentrations in Cu2ZnSnS4: insights into high-temperature equilibrium and quenching

Journal of Applied Physics, 122(3) 035707 (2017). https://doi.org/10.1063/1.4994689

 

36 Akira Nagaoka, Kyu-Bun Han, Sudhajit Misra, Thomas Wilenski, Taylor D. Sparks, Michael A. Scarpulla

Growth and characterization of Arsenic doped CdTe single crystals grown by Cd-solvent traveling-heater method

Journal of Crystal Growth 467, pp. 6–11 (2017).  http://dx.doi.org/10.1016/j.jcrysgro.2017.03.002

 

35 Helene J. Meadows, Sudhajit Misra, Brian J. Simonds, Masato Kurihara, Thomas Schuler, Vicente Reis-Adonis, Michael A. Scarpulla, Phillip J. Dale.

Laser Annealing of Electrodeposited CuInSe2 Semiconductor Precursors: Experiment and Modeling

Journal of Materials Chemistry C 5 pp. 1336-1345  (2017).  DOI: http://dx.doi.org/10.1039/C6TC03623F (Back cover article)

 

34 D.S. Pruzan, Y. Liu, A.E. Caruso, Y. Lin, C. Beall, I. Repins, M.F. Toney, M.A. Scarpulla.

Cu2ZnSnSe4 Photovoltaic Absorber Layers Evaluated by Transmission X-Ray Microscopy Tomography: Composition Fluctuations on the Length Scale of Grains

Solar RRL, 1(1) 1600024 (2017).  DOI: http://dx.doi.org/10.1002/solr.201600024/ .  (Front cover article of inaugural issue).

33) A Nagaoka, MA Scarpulla, and K Yoshino

Na-doped Cu₂ZnSnS₄ single crystal grown by traveling-heater method

J. Crystal Growth 453, 119-123 (2016). DOI: http://dx.doi.org/10.1016/j.jcrysgro.2016.08.014

 

32) Brian J. Simonds, Sudhajit Misra, Naba Paudel, Koen Vandewal, Alberto Salleo, Christos Ferekides, Michael A. Scarpulla

Near Infrared Laser Annealing of CdTe and In-Situ Measurement of the Evolution of Structural and Optical Properties

J. Applied Physics 119, 165305 (2016). DOI: http://dx.doi.org/10.1063/1.4947186

 

31) Jeffery A. Aguiar, Mehmet E. Erkan, Dennis Pruzan, Akira Nagaoka, Kenji Yoshino, Helio Moutinho, Mowafak Al-Jassim, and Michael A. Scarpulla

Cation ratio fluctuations in Cu₂ZnSnS₄ at the 20 nm length scale investigated by analytical electron microscopy

Physica Status Solidi A (online).  DOI: http://dx.doi.org/10.1002/pssa.201600060 .

 

30) K. Alberi and M.A. Scarpulla

Suppression of native defect formation during semiconductor processing via excess carrier generation

Scientific Reports 6, 27954 (2016).  DOI: http://dx.doi.org/10.1038/srep27954

 

29) Daniel L. Jacobs, Michael A. Scarpulla, Chen Wang, Benjamin R. Bunes, Ling Zang

Voltage Induced Transients in Methyl Ammonium Lead Triiodide Probed by Dynamic Photoluminescence Spectroscopy

J. Physical Chemistry C (2016). http://dx.doi.org/10.1021/acs.jpcc.5b11973

 

28) Mehmet Eray Erkan, Vardaan Chawla, and Michael A. Scarpulla

Reduced defect density at CZTSSe/CdS interface by atomic layer deposition of Al₂O₃

J. Applied Physics 119, 194504 (2016). DOI: http://dx.doi.org/10.1063/1.4948947

27) 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). http://dx.doi.org/10.1017/S143192761500077X

 

26) Brian J. Simonds, Vipul Kheraj, Vasilios Palekis, Christos Ferekides, Michael A. Scarpulla

Reduced surface Fermi level pinning and recombination in laser-irradiated polycrystalline CdTe

J. Applied Physics, 117, 225301 (2015).  http://dx.doi.org/10.1063/1.4921950

 

25) Akira Nagaoka, Kenji Yoshino, Tomoyasu Taniyama, Hideto Miyake, Koichi Kakimoto, Michael A. Scarpulla, and Yoshitaro Nose

Growth and Characterization of Cu₂ZnSn(S_xSe_1-x)₄ Single Crystal Grown by Traveling Heater Method

J. Crystal Growth, 423 pp. 9-15 (2015). http://dx.doi.org/10.1016/j.jcrysgro.2015.04.012

 

24) Akira Nagaoka, Yoshitaro Nose, Hideto Miyake, Michael A. Scarpulla, Kenji Yoshino

Solution growth of chalcopyrite compounds single crystal

Renewable Energy, (2015).  http://dx.doi.org/10.1016/j.renene.2014.10.015

 

23) 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, pp. 78-85 (2015). http://dx.doi.org/10.1016/j.solmat.2015.01.006

 

22) 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.  Featured Article on JPE webpage! (Jan. 2015)

 

21) 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, and Phillip J Dale

CuInSe2 semiconductor formation by laser annealing

Thin Solid Films 582, pp. 23–26 (2015). http://dx.doi.org/10.1016/j.tsf.2014.10.042

20) 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

 

19) 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

 

18) 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

 

17) 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

 

16) 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

 

15) Junyi Zhu, Feng Liu, and Michael A. Scarpulla

Strain tuning of native defect populations: The case of Cu₂ZnSn(S,Se)₄

APL Materials 2 012110 (2014).  http://dx.doi.org/10.1063/1.4863076

 

14) H.J. Meadows, A. Bhatia, V. Depredurand, J. Guillot, D. Regesch, A. Malyeyev, D. Colombara, M.A. Scarpulla, S. Siebentritt, and P.J. Dale

Single Second Laser Annealed CuInSe₂ Semiconductors from Electrodeposited Precursors as Absorber Layers for Solar Cells

Journal of Physical Chemistry C 118 1451−1460 (2014).  http://dx.doi.org/10.1021/jp409804s

13) V. Kosyak, N.B. Mortazavi Amiri, A.V. Postnikov, and M.A. Scarpulla

A Quasichemical Model of Native Point Defect Equilibrium in Cu₂ZnSnS₄ (CZTS) and Application to One-Zone Annealing

Journal of Applied Physics, 114 124501 (2013).  http://dx.doi.org/10.1063/1.4819206

 

12) A. Bhatia, H. Meadows, A.  Crossay, P.  J.  Dale and M.  A.  Scarpulla

Continuous wave solid phase laser annealing of electrochemically deposited CuInSe₂ thin films

Journal of Applied Physics, 114 044904 (2013).  http://dx.doi.org/10.1063/1.4816250

 

11) J.R. Nagel and M.A. Scarpulla

Enhanced Light Absorption in Thin Film Solar Cells with Embedded Dielectric Nanoparticles: Induced Texture Dominates Mie Scattering

Applied Physics Letters, 102 151111 (2013).  http://dx.doi.org/10.1063/1.4802718

 

10) S. Lee, M.A. Scarpulla, E. Bamberg

Effect of metal coating on machinability of high purity germanium using wire electrical discharge machining

Journal of Materials Processing Technology, 213(6) 811-817 (2013). http://dx.doi.org/10.1016/j.jmatprotec.2012.12.008

 

9) A. Bhatia, H. Meadows, W.M. Hlaing Oo, P.J. Dale and M.A. Scarpulla

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).  http://dx.doi.org/10.1016/j.tsf.2012.12.076

 

8) V. Kosyak, M. A. Karmarkar, and M.A. Scarpulla

Temperature-dependent conductivity of polycrystalline Cu₂ZnSnS₄ thin films

Applied Physics Letters, 100 263903 (2012).  http://dx.doi.org/10.1063/1.4731875

 

7) A. Bhatia, W.M. Hlaing Oo, G. Siegel, P.R. Stone, K.M. Yu and M.A. Scarpulla

Synthesis of Ge_1-xSn_x Alloy Thin Films Using Ion Implantation and Pulsed Laser Melting (II-PLM)

Journal of Electronic Materials, 41(5) 837-844 (2012). http://dx.doi.org/10.1007/s11664-012-2011-z

 

6) E.A. Lund and M.A. Scarpulla

Photovoltaic heterojunctions of earth abundant semiconductors: band alignments in the defective limit

Materials Science and Engineering B, 177 1436– 1440 (2012).  http://dx.doi.org/10.1016/j.mseb.2012.02.015

 

5) J.R. Nagel and M.A. Scarpulla

Design principles for light-trapping in thin silicon films with embedded dielectric nanoparticles

Progress in Photovoltaics: Research and Applications, 21(3) 319-325 (2013).  http://dx.doi.org/10.1002/pip.1187.

 

4) W.M. Hlaing Oo, J.L. Johnson, A. Bhatia, E.A. Lund, M.M. Nowell, and M.A. Scarpulla

Grain Size and Texture of Cu₂ZnSnS₄ Thin Films Synthesized by Co-sputtering Binary Sulfides and Annealing: Effects of Processing Conditions and Sodium

Journal of Electronic Materials 40(11) 2214-2221 (2011).  http://link.springer.com/article/10.1007%2Fs11664-011-1729-3

 

3) Hartman, J.L. Johnson, M.I. Bertoni, D. Recht, M.J. Aziz, M.A. Scarpulla, and T. Buonassisi

SnS thin-films by RF sputtering at room temperature

Thin Solid Films 519(21) 7421-7424 (2011).  http://dx.doi.org/10.1016/j.tsf.2010.12.186

 

2) J.R. Nagel, S. Blair, and M.A. Scarpulla

Exact field solution to guided wave propagation in lossy thin films

Optics Express 19(21) 20159–20171 (2011).  http://dx.doi.org/10.1364/OE.19.020159

 

1) J.R. Nagel and M.A. Scarpulla

Enhanced absorption in optically thin solar cells by scattering from embedded dielectric nanoparticles

Optics Express 18 (102) A139 (2010).  http://dx.doi.org/10.1364/OE.18.00A139.  Noted in publication news of Nature Photonics.