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Mandal, Krishna C.

Associate Professor

Nano-materials, quantum dot (Q-dot) and inorganic-organic based photovoltaics, crystal growth, semiconductors and scintillators, nuclear safeguard, radiation shielding, nuclear (alpha, beta, tritium, x-ray, gamma ray, neutron) detectors, front-end electronics, medical imaging - direct read-out real-time diagnostics (chest radiography, mammagraphy, CT), explosive detection, SERS for CBW agents detection, LW- and MW-IR lasers, THz Electronics, Li-batteries, Fuel cells

Biographical Profile

College Engineering & Computing, College of
Department Electrical Engineering
Phone 803-777-2722
Tenure Status Tenure Track

Interest Background

Do you include students in your research?
Undergraduates and Graduates
Interest Keywords
Photovoltaics, Nanomaterials, Quantun Dots, Thin Film Devices, Crystal Growth, Semiconductors, Scintillators, Nuclear Safeguard, Radiation Shielding, THz, Sensors, Detectors, Mid- and LW-IR Lasers, Medical Imaging, Alpha, Beta, Tritium, X-ray, Gamma-ray, Neutron, Front-end Read-out Electronics, Biomolecular Crystallography, Surface Enhanced Raman Spectrscopy (SERS), Li-batteries, Fuel Cells
Institutional Focus Areas
Biomedical Sciences, Nanotechnology, Environmental Sciences, Future Fuels, Homeland Security, Materials Research, Science and Engineering (Other), Health Sciences
Personal Focus Areas
Photovoltaics, Nuclear Detectors, Medical Imaging Devices, Front-end Real-time Read-out Electronics, THz-Electronics & Imaging, Sensors, and Detectors

International Activity

International Activities
Yes
Type of Activity
Research, Service
Countries
France, Canada, India
Extended Residence in Foreign Country
Yes (Canada)
Speaks Non-English Language
Yes (French)

Professional Preparation(Education & Training)

Dates Institution Location Degree Field of Study
1990 - 1994 Ecole Polytechnique, Materials Engineering Department Montreal, Canada Post Doctoral Fellow & Research Associate
1989 - 1990 Ecole Polytechnique, Condensed Matter Physics Division Paris, France CNRS Fellow
1987 - 1989 Tata Institute of Fundamental Research, Chemical Physics Group Mumbai, India Fellow
1981 - 1988 Indian Institute of Technology (IIT) India Ph.D. Photovoltaic Solar Cells

Memberships & Professional Activities

Dates Type Description Institution/Entity
1990 - Present Membership IEEE, American Physical Society, Materials Research Society, Electrochemical Society, SPIE Electrical Engineering Department, University of South Carolina

Positions & Appointments

Dates Description Institution/Entity
1994 - 1997 Scientist, Electronic Materials & Devices, Noranda Advanced Materials (NorAM), Now Analogic-Canada, Montreal, Canada Noranda, Inc.
1997 - 1998 Staff Scientist, Radiation Monitoring Devices (RMD), Inc., Watertown, MA 02172, USA RMD, Inc.
1998 - 2006 Senior Scientist, Advanced Materials Research Division, EIC Laboratories, Inc., Norwood, MA 02062, USA EIC, Labs., Inc.
2006 - 2009 Director, Solid-State Sensors and Detectors, Advanced Materials Research Division, EIC Laboratories, Inc., Norwood, MA 02062, USA EIC Labs., Inc.
2009 - Present Associate Professor, Department of Electrical Engineering, University of South Carolina, Columbia, SC 29208, USA University of South Carolina, Columbia

Recognition Awards, Honors, & Fellowships

Dates Type Description Foundation/Entity
1974 Award National Merit Scholarship, Government of India Government of India
1981 Award Council of Scientific and Industrial Research Fellow, Department of Science and Technology Fellow, Government of India Government of India
1987 Award Fellow, Tata Institute of Fundamental Research (TIFR), Chemical Physics Group, Homi Bhabha Road, Mumbai, Government of India Government of India
1989 Award CNRS Fellow, Condensed Matter Physics Group, Ecole Polytechnique, Paris, France Centre national de la recherche scientifique (CNRS), Government of France
1990 Award Post Doctoral Fellow and Research Associate, Materials Engineering Department, Ecole Polytechnique, Montreal, Canada Natural Sciences and Engineering Research Council of Canada (NSERC), Government of Canada
2010 Award Defense Advanced Research Projects Agency (DARPA), Young Faculty Award (YFA) DARPA, US Government
2012 Award ASPIRE-I (Advanced Support for Innovative Research Excellence-I) Award University of South Carolina
2013 Award IGERT (Integrative Graduate Education and Research Traineeship) Program, $3.0M, Sept.01, 2013 - Aug.31, 2018 IGERT NSF (Photovoltaics Thrust Leader)
2013 Award ASPIRE-III: Infrastructure (Advanced Support for Innovative Research Excellence-III) Award (Co-PI) University of South Carolina

Publications, Exhibits, Performances, & Productions

Books 0 Refereed Journal Articles 82
Non-Refereed Journal Articles 0 Refereed Chapters in Books 0
Non-Refereed Chapters in Books 0 Proceedings 53
Juried Exhibits, Performances, Productions 0 Non-Juried Exhibits, Performances, Productions 0
Invited Lectures 0 Other Works 1

List of Publications or Creative Works

Bose, D. N., Basu, S., Ramprakash, Y., Mandal, Krishna C. (1985). Semiconductor Electrodes for Photoelectrochemical Solar Cells. , Bulletin of Electrochemistry, 1: 181-183, 1985.
Basu, S., Roy, S.K., Mandal, Krishna C. (1985). Bridgman Growth and Characterization of p-CdTe:P. , Proc. 4th National Symposium On Physics of Semiconductors and Devices, 63-68, 1985.
Bose, D. N., Basu, S., Mandal, Krishna C. , Ramprakash, Y., Mazumder, D. (1985). Surface Modification of InP and CdTe. , Proceedings of International Conference on Physics and Technology of Compensated Semiconductors, 1: 141-147, 1985.
Bose, D. N., Hegde, M. S., Basu, S., Mandal, Krishna C. (1985). XPS Study of Ru-modified CdTe for PEC Cells. , IEEE Photovoltaic Specialists Conference, Las Vegas, 1743-1744, 1985.
Mandal, Krishna C. , Bose, D. N., Basu, S., Ramprakash, Y. (1985). Thin Film Chalcogenides for Photovoltaic Cells. , Bulletin of Electrochemistry, 1: 193-198, 1985.
Mandal, Krishna C. , Basu, S., Bose, D. N. (1986). Surface Modified CdTe PEC Cells. , Solar Cells, 18: 25-30, 1986.
Bose, D. N., Basu, S., Mandal, Krishna C. , Mazumder, D. (1986). Evidence for amphoteric behavior of Ru on CdTe surfaces. , Applied Physics Letters, 48: 472-474, 1986.
Mandal, Krishna C. , Basu, S., Bose, D. N. (1987). Effects of Surface Modification on n-CdTe Photoelectrochemical Solar Cells. , Journal of Physical Chemistry, 91: 4011-4013, 1987.
Mandal, Krishna C. , Basu, S., Bose, D. N. (1987). Effect of Surface Modification on Sub-bandgap Response of n-CdTe Photoelectrodes. , Surface Science, 188: 235-240, 1987.
Mandal, Krishna C. , Basu, S., Bose, D. N. (1987). Correlation of Fermi level Shift with Photovoltages at Ruthenium-Modified CdTe Surfaces. , Journal of Solid State Chemistry, 71: 559-561, 1987.
Mandal, Krishna C. , Basu, S., Bose, D. N. (1988). CdTe photoelectrochemical solar cell Chemical modification of surfaces. , Bulletin of Materials Science, 10: 349-351, 1988.
Bose, D. N., Basu, S., Mandal, Krishna C. (1988). Characterization of Chemically Modified CdTe Surfaces. , Thin Solid Films, 164: 13-19, 1988.
Bose, D. N., Hedge, M.S. , Basu, S., Mandal, Krishna C. (1989). XPS Studies on Ru-modified CdTe Surfaces. , Semiconductor Science and Technology, 4: 866-870, 1989.
Mandal, Krishna C. , Ozanam, F., Chazalviel, J. -N. (1990). In situ infrared evidence for the electrochemical incorporation of hydrogen into Si and Ge. , Applied Physics Letters, 57: 2788-2790, 1990.
Mandal, Krishna C. (1990). Fermi level shift with photovoltages at zinc modified CdSe surfaces. , Journal of Materials Science Letters, 9: 1203-1204, 1990.
Mandal, Krishna C. , Mondal, A. (1990). Chemically deposited Semiconducting Molybdenum Sulfide Thin Films. , Journal of Solid State Chemistry, 85: 176-179, 1990.
Mandal, Krishna C. , Ghosal, A. (1990). Evaluation of the surface properties of chemically deposited n-CdS thin films by Sub-bandgap response studies. , Indian Journal of Technology, 28: 707-710, 1990.
Sanyal, G. S., Mondal, A., Mandal, Krishna C. , Ghosh, B., Saha, H., Mukherjee, M. K. (1990). A Comparative Study of CdTe Films Prepared by Different Techniques. , Solar Energy Materials, 20: 395-404, 1990.
Mandal, Krishna C. , Mondal, A. (1990). A New Chemical Method for Preparing Semiconductor Grade Antimony Tri-Sulphide Thin Films. , Journal of Physics and Chemistry of Solids, 51: 1339-1341, 1990.
Mandal, Krishna C. , Savadogo, O. (1991). A New Chemical Method of Preparing Semiconducting MoX2 (X = S, Se) Thin Films. , Japanese Journal of Applied. Physics, 30: 3484-3487, 1991.
Chazalviel, J. -N., Mandal, Krishna C. , Ozanam, F. (1991). In-situ FTIR spectroscopy at the electrochemical interface: the interest of a modulation technique. , SPIE Proc., 1575: 40-49, 1991.
Mandal, Krishna C. , Haram, S. K., Santhanam, K.S.V. (1991). Chemical Deposition of Cadmium Sulphide in the Presence of an External Magnetic Field. , Chemistry and Energy-I, 225-233, 1991.
Mandal, Krishna C. , Savadogo, O. (1991). High-efficiency chemically deposited CdSe photoelectrochemical solar cells: effect of SiW12O404- incorporation. , Journal of Materials Science Letters, 10: 1446-1448, 1991.
Mandal, Krishna C. , Savadogo, Oumarou (1991). Novel Chemical Preparative Route for Semiconducting MoSe2 thin Films. , Journal of Materials Chemistry, Royal Society of Chemistry, 1: 301-302, 1991.
Mandal, Krishna C. , Santhanam, K.S.V. (1991). Studies of Sub-bandgap response on Surface-modified n-CdSe Photoelectrodes. , Journal of Materials Science, 26: 3905-3908, 1991.
Savadogo, O., Mandal, Krishna C. (1992). Improved Schottky Barrier on n-Sb2S3 Films Chemically Deposited with Silicotungstic Acid. , Electronics Letters, 28: 1682-1683, 1992.
Mandal, Krishna C. , Savadogo, O. (1992). Chemically deposited n-CdSe thin film photo-electrochemical cells: effects of Zn2+-modification. , Journal of Materials Science, 27: 4355-4360, 1992.
Savadogo, O., Mandal, Krishna C. (1992). Photoelectrochemical (PEC) solar cell properties of chemically deposited cadmium selenide thin films with heteropolyacids. , Materials Chemistry and Physics, 31: 301-309, 1992.
Savadogo, O., Mandal, Krishna C. (1992). Studies on new chemically deposited photoconducting antimony trisulphide thin films. , Solar Energy Materials and Solar Cells, 26: 117-136, 1992.
Savadogo, O, Mandal, Krishna C. (1992). Characterizations of Antimony Tri-Sulfide Chemically Deposited with Silicotungstic Acid. , Journal of Electrochemical Society, 139: L16-L18, 1992.
Mandal, Krishna C. , Ozanam, O., Chazalviel, J. -N. (1992). In-situ Infrared Investigations of the Electrochemistry of Heteropolyacids at n-Ge Electrodes. , Journal of Electroanalytical Chemistry, 336: 153-170, 1992.
Savadogo, O., Mandal, Krishna C. (1993). Low-cost technique for preparing n-Sb2S3/p-Si Heterojunction Solar Cells. , Applied Physics Letters, 63: 228-230, 1993.
Chazalviel, J. -N., Dubin, V. M., Mandal, Krishna C. , Ozanam, F. (1993). Modulated Infrared Spectroscopy at the Electrochemical Interface. , Applied Spectroscopy, 47: 1411-1416, 1993.
Savadogo, O., Mandal, Krishna C. (1994). Low Cost Schottky Barrier Solar Cells Fabricated on CdSe and Sb2S3 Films Chemically Deposited with Silicotungstic Acid. , Journal of Electrochemical Society, 141: 2871-2877, 1994.
Savadogo, O., Mandal, Krishna C. (1994). Fabrication of low-cost n-Sb2S3/p-Ge heterojunction solar cells. , Journal of Physics D: Applied Physics, 27: 1070-1075, 1994.
Mandal, Krishna C. , Klugerman, M., Cirignano, L. J., Moy, L. P., Shah, K. S., Squillante, M. R., Bhattacharya, R. N. (1998). Growth, Characterization and Spectroscopic Investigation of InI Crystals for Optical and Radiation Detector Applications. , Mater. Res. Soc. Proc., 487: 597-604, 1998.
Shah, K. S. , Bennett, P., Cirignano, L., Dmitriyev, Y., Kiugerman, M., Mandal, Krishna C. , Moy, L. P., Street, R. A. (1998). X-ray imaging with semiconductor films. , SPIE Proc., 3446: 102-113, 1998.
Mandal, Krishna C. , Moy, L. P., Cirignano, L., Klugerman, M. K., Shah, K. S., Squillante, M. R., Savadogo, O., Bhattacharya, R. N. (1998). Fabrication and Testing of Indium Iodide Optical Detectors. , Proc. Electrochem. Soc., 98-12: 265-276, 1998.
Shah, K. S., Bennett, P., Cirignano, L., Dmitriyev, Y., Kiugerman, M., Mandal, Krishna C. , Moy, L. P., Street, R. A. (1998). Characterization of X-Ray Imaging Properties of PbI2 Films. , Mater. Res. Soc. Proc., 487: 351-360, 1998.
Sengupta, A., Jiang, B., Mandal, Krishna C. , Zhang, J. Z. (1999). Ultrafast Electronic Relaxation Dynamics in PbI2 Semiconductor Colloidal Nano-particles: A Femtosecond Transient Absorption Study. , Journal of Physical Chemistry B, 103: 3128-3137, 1998.
Sengupta, A., Mandal, Krishna C , Zhang, J.Z. (2000). Ultrafast Electronic Relaxation Dynamics in Layered Iodide Semiconductors: A Comparative Study of Colloidal BiI3 and PbI2 Nano-particles. , Journal of Physical Chemistry B, 104: 9396-9403, 2000.
Mandal, Krishna C. , Smirnov, Anton, Peramunage, D., Rauh, R. David (2003). Low-Cost, Large-Area Nanocrystalline TiO2-Polymer Solar Cells on Flexible Plastics. , Mater. Res. Soc. Proc., 737: 739-744, 2003.
Mandal, Krishna C. , Smirnov, Anton, Roy, Utpal N., Burger, Arnold (2003). Thermally Evaporated AgGaTe2 Thin Films for Low-Cost p-AgGaTe2/n-Si Heterojunction Solar Cells. , Mater. Res. soc. Proc., 744: 131-136, 2003.
Ma, R., Zhang, H., Larson, D.J., Mandal, Krishna C. (2004). Dynamics of melt-crystal interface and thermal stresses in rotational Bridgman crystal growth process. , Journal of Crystal Growth, 266: 216-223, 2004.
Mandal, Krishna C. , Noblitt, Caleb, Choi, Michael, Rauh, R David, Roy, U.N., Groza, M., Burger, A., Holcomb, D.E., Jellison, Gerald E. (2004). Crystal Growth, Characterization and Testing of Cd0.9Zn0.1Te Single Crystals for Radiation Detectors. , SPIE Proc., 5540: 186-195, 2004.
Rademaker, K., Peterman, K., Huber, G., Krupke, W.F., Page, R.H., Payne, S.A., Yelisseyev, A.P., Isaenko, L.I., Roy, U.N., Burger, A., Mandal, Krishna C. , Nitsch, K. (2004). Slow Nonradiative Decay for Rare Earths in KPb2Br5 and RbPb2Br5. , OSA TOPS Advanced Solid-State Photonics, 94: 410-414, 2004.
Rademaker, K., Krupke, W.F., Page, W. F., Payne, S. A., Peterman, K., Huber, K., Yelisseyev, G., Isaenko, L.I., Roy, U.N., Burger, A., Mandal, Krishna C. , Nitsch, K. (2004). Optical Properties of Nd3+- and Tb3+-doped KPb2Br5 and RbPb2Br5 with low nonradiative decay. , Journal of Optical Society of America B, 21: 2117-2129, 2004.
Yu, B.L., Zeng, F., Kartazayer, V., Alfano, R.R., Mandal, Krishna C. (2005). Terahertz studies of the dielectric response and second-order phonons in a GaSe crystal. , Applied Physics Letters, 87: 182104-1-3, 2005.
Mandal, Krishna C. , Noblitt, Caleb, Choi, Michael, Smirnov, Anton, Rauh, R. David (2005). Crystal Growth, Characterization and Anisotropic Electrical Properties of GaSe Single Crystals for THz Source and Radiation Detector Applications. , AIP Conf. Proc., CP 772, 159-160: 159-160, 2005.
Mandal, Krishna C. , Choi, Michael, Noblitt, Caleb, Rauh, R. David (2005). Progress in Producing Large Area Flexible Dye Sensitized Solar Cells. , Mater. Res. Soc. Proc., 836: 3-9, 2005.
Roy, U. N., Hawrami, R. H., Cui, Y., Morgan, S., Burger, A., Mandal, Krishna C. , Noblitt, Caleb C., Speakman, S. A., Rademaker, K., Payne S. A. (2005). Tb3+-doped KPb2Br5: Low-energy phonon mid-infrared laser crystal. , Applied Physics Letters, 86: 151911-1-3, 2005.
Mandal, Krishna C., Kang, S.H., Choi, M., Bello, J., Zheng, L., Zhang, H., Groza, M., Roy, U.N., Burger, A., Holcomb, D.E., Wright, G.W., Williams, J.A. (2006). Simulation, Modeling, and Crystal Growth of Cd0.9Zn0.1Te for Nuclear Spectrometers. , Journal of Electronic Materials, 35: 1251-1256, 2006.
Mandal, Krishna C. , Kang, Sung Hoon, Choi, Michael, Wright, Gomez, Jellison, Gerald E. (2006). CdTe and Cd0.9Zn0.1Te Crystal Growth and Characterization for Nuclear Spectrometers. , SPIE Proc,. 6319: 63190X-1-10, 2006.
Mandal, Krishna C. , Kang, Sung Hoon, Choi, Michael, Jellison, Gerald E. (2006). Amorphous Selenium Based Detectors for Medical Imaging Applications. , SPIE Proc., 6319: 63190N-1-11, 2006.
Mandal, Krishna C. , Yu, Baolong L., Altan, Hakan, Zeng, Fanang, Kartazayev, Vladimir, Alfano, Robert (2006). Terahertz Resonances in the Dielectric Response Due to Second Order Phonons in a GaSe Crystal. , Mater. Res. Soc. Proc., 935: 0935-K03-08, 2006.
Mandal, Krishna C. , Kang, Sung H., Choi, Michael, Rauh, R. David (2006). Rare-Earth Doped Potassium Lead Bromide Mid-IR Laser Sources for Standoff Detection. Air Sensing & Monitoring: 624-634, 2006.
Koley, G., Liu, J., Mandal, Krishna C. (2007). Investigation of CdZnTe crystal defects using scanning probe microscopy. , Applied Physics Letters, 90: 102121-1-3, 2007.
Mandal, Krishna C. , Conway, Adam M., Reinhardt, Catherine E., Nikolic, Rebecca J., Nelson, Art J., Wang, Tzu F., Wu, Kuang J., Payne, Stephen A., Mertiri, Alket, Pabst, Gary, Roy, Ronald, Bhattacharya, Pijush, Cui, Yunlong, Groza, Michael, Burger, Arnold (2007). Exploration of GaTe for Gamma Detection. , IEEE Conference Record, N24-326: 1551-1555, 2007.
Mandal, Krishna C. , Choi, Michael, Kang, Sung Hoon, Rauh, R. David, Wei, Jiuan, Zhang, Hui, Zheng, Lili, Cui, Y., Groza, M., Burger, A. (2007). GaSe and GaTe Anisotropic Layered Semiconductors for Radiation Detectors. , SPIE Proc., 6706: 67060E-1-10, 2007.
Mandal, Krishna C. , Kang, S. H., Choi, M. (2007). Layered compound semiconductor GaSe and GaTe crystals for THz applications. , Mat. Res. Soc. Proc., 969: 111-116, 2007.
Zsolt, Rak, Mahanti, Subhendra D., Mandal, Krishna C. , Fernelius, Nils C (2007). Electronic Structure of Cd, In, Sn, Substitutional Defects in GaSe. , Mat. Res. Soc. Proc., 994: 0994-F03-10-1-6, 2007.
Mandal, Krishna C., Kang, S.H., Choi, M., Kargar, A., Harrison, M.J., McGregor, D.S., Bolotnikov, A.E., Carini, G.A., Camarda, G.C., James, R.B. (2007). Characterization of Low-Defect Cd0.9Zn0.1Te and CdTe Crystals for High-Performance Frisch Collar Detector. , IEEE Transactions on Nuclear Science, 54: 802-806, 2007.
Mandal, Krishna C. , Kang, S.H., Choi, M., Wei, J., Zheng, L., Zhang, H., Jellison,G.E., Groza, M., Burger, A. (2007). Component Overpressure Growth and Characterization of High-Resistivity CdTe Crystals for Radiation Detectors. , Journal of Electronic Materials, 36: 1013-1020, 2007.
Cui, Y., Dupere, R., Burger, A., Johnstone, D., Mandal, Krishna C. , Payne, S.A. (2008). Acceptor levels in GaSe: In crystals investigated by deep-level transient spectroscopy and photoluminescence. , Journal of Applied Physics, 103: 013710-1-4, 2008.
Zsolt, Rak, Mahanti S.D., Mandal, Krishna C. , Fernelius, N.C. (2008). Theoretical studies of defects states in GaSe and GaTe. , SPIE Proc., 7079,: 70790Q-1-12, 2008.
Liu, J., Mandal, Krishna C. , Koley, G. (2008). Investigation of CdZnTe crystal defects using scanning spreading resistance microscopy. , SPIE Proc., 7079: 70790C-1-9, 2008.
Mandal, Krishna C. , Mertiri, Alket, Pabst, Gary W., Roy, Ronald G., Cui, Y., Battacharya, P., Groza, M., Burger, A., Conway, Adam M., Nikolic, Rebecca J., Nelson, Art. J., Payne, Stephen A. (2008). Layered III-VI Chalcogenide Semiconductor Crystals for Radiation Detectors. , SPIE Proc., 7079: 70790O-1-12, 2008.
Mandal, Krishna C. , Kang Sung H., Choi, Michael, Mertiri, Alket, Noblitt, Caleb, Smirnov, Anton (2008). Crystal Growth and Characterization of CdTe and Cd0.9Zn0.1Te for Nuclear Radiation Detectors. , Invited Talk, Proc. Mat. Res. Soc. Symp., 1038: 39-49, 2008.
Mandal, Krishna C. , Kang, S.H., Choi, M., Rauh, R.D. (2008). Rare-Earth Doped Potassium Lead Bromide Mid-IR Laser Sources for Standoff Detection. , International Journal of High Speed Electronics and Systems, 18: 735-745, 2008.
Mandal, Krishna C. , Kang, S.H., Choi, M., Chen, J., Zhang, X.-C., Schmuttenmaer, C.A., Fernelius, N.C. (2008). III-VI Chalcogenide Semiconductor Crystals for Broadband Tunable THz Sources and Sensors. , IEEE Journal of Selected Topics in Quantum Electronics, 14: 284-288, 2008.
Nelson, A.J., Conway, A.M., Strum, B.W., Behymer, E.M., Reinhardt, C.E., Nikolic, R.J., Payne, S.A., Pabst, G., Mandal, Krishna C. (2009). X-ray photoemission analysis of chemically treated GaTe semiconductor surfaces for radiation detector applications. , Journal of Applied Physics, 106: 023717-1-5, 2009.
Liu, J., Mandal, Krishna C. , Koley, G. (2009). Investigation of nanoscale properties of CdZnTe crystals by scanning spreading resistance microscopy. , Semiconductor Science and Technology, 24: 045012-1-5, 2009.
Cui, Y., Caudel, D.D., Bhattacharya, P., Burger, A., Mandal, Krishna C. , Johnstone, D., Payne, S.A. (2009). Deep levels in GaTe and GaTe: In crystals investigated by deep-level transient spectroscopy and photoluminescence. , Journal of Applied Physics, 105: 053709-1-4, 2009.
Zsolt, R., Mahanti, S.D., Mandal, Krishna C. , Fernelius, N.C. (2009). Electronic structure of substitutional defects and vacancies in GaSe. , Journal of Physics and Chemistry of Solids, 70: 344-355, 2009.
Zsolt, R., Mahanti, S.D., Mandal, Krishna C. , Fernelius, N.C. (2009). Theoretical studies of defect states in GaTe. , Journal of Physics: Condensed Matter Physics, 21: 015504-1-9, 2009.
Zsolt, R., Mahanti, S.D., Mandal, Krishna C. (2009). Ab initio modeling of hydrogen defects in CdTe. , Journal of Electronic Materials, 38: 1539-1547, 2009.
Nelson, A.J., Laurence, T.A., Conway, A.M., Behymer, E.M., Strum, B.W., Voss, L.F., Nikolic, R.J., Payne, S.A., Mertiri, A., Pabst, G., Mandal, Krishna C. , Burger, A. (2010). Spectroscopic investigation of (NH4)2S treated GaSeTe for radiation detector applications. , Materials Letters, 64: 393-395, 2010.
Mandal, Krishna C. , Muzykov, Peter, Krishna, Ramesh, Das, Sandip, Hayes, Timothy, Sudarshan, Tangali S. (2010). Layered GaTe for Radiation Detectors. , IEEE Conf. Record, R05-12: 3719-3724, 2010.
Mandal, Krishna C. , Muzykov, Peter, Krishna, Ramesh, Das, Sandip, Sudarshan, Tangali S. (2010). Characterization of 4H Semi-Insulating Silicon Carbide for Radiation Detector Applications. , IEEE Conf. Record, R05-13: 3725-3731, 2010.
Mandal, Krishna C., Krishna, Ramesh, Muzykov, Peter G., Laney, Zegilor, Das, Sandip, Sudarshan, Tangali S. (2010). Radiation Detectors Based on 4H Semi-Insulating Silicon Carbide. , SPIE Proc., 7805: 78050U-1-8, 2010.
Mandal, Krishna C. , Hayes, Timothy, Muzykov, Peter G., Krishna, Ramesh, Das, Sandip, Sudarshan, Tangali S., Ma, Shuguo (2010). Characterization of Gallium Telluride Crystals Grown from Graphite Crucible. , Invited Paper, SPIE Proc., 7805: 78050Q-1-10, 2010.
Mandal, Krishna C. , Das, Sandip, Krishna, Ramesh, Muzykov, Peter G., Ma, Shuguo, Zhao, Feng (2010). Surface Passivation of p-GaTe Layered Crystals for Improved p-GaTe/n-InSe Heterojunction Solar Cells. , Mater. Res. Soc. Symp. Proc., 1268: 77-82, 2010.
Zsolt, R., Mahanti, S.D., Mandal, Krishna C. , Fernelius, N.C. (2010). Doping dependence of electronic and mechanical properties of GaSe1-xTex and Ga1-xInxSe from first principles. , Physical Review B, 82: 155203-1-10, 2010.
Zsolt, R., Mahanti, S.D., Fernelius, N.C., Mandal, Krishna C. (2010). Defect induced rigidity enhancement in layered semiconductors. , Solid State Communications, 150: 1200-1203, 2010.
Mandal, Krishna C. , Krishna, R., Hayes, T., Muzykov, P.G., Das, S., Sudarshan, T.S., Ma, S. (2011). Layered GaTe Crystals for Radiation Detectors. , IEEE Transactions on Nuclear Science, 58: 1981-1986, 2011.
Mandal, Krishna C. , Muzykov, Peter G., Krishna, Ramesh M., Hayes, Timothy C. (2011). Defect correlation studies on 4H-SiC crystals and epitaxial layers for radiation detector applications. , Invited Paper, IEEE Conf. Record, R16-3: 4776-4782, 2011.
Mandal, Krishna C. , Muzykov, Peter G., Krishna, Ramesh M., Hayes, Timothy C. (2011). Characterization of Cd0.9Zn0.1Te Schottky Diodes for High Resolution Nuclear Radiation Detectors. , IEEE Conf. Record, RTSD.S - 258: 4578-4583, 2011.
Mandal, Krishna C. , Das, Sandip (2011). Low-cost fabrication of improved n-Si/p-AgGaSe2 heterojunction solar cells. , SPIE Proc., 8119: 81100O-1-6, 2011.
Mandal, Krishna C. , Muzykov, Peter G., Krishna, Ramesh M., Hayes, Timothy C. (2011). Fabrication and Characterization of Cd0.9Zn0.1Te Schottky Diodes for Nuclear Radiation Detectors. , SPIE Proc., 8142: 81421B-1-7, 2011.
Mandal, Krishna C. , Muzykov, Peter G., Krishna, Ramesh M., Hayes, Timothy C., Sudarshan, T.S. (2011). Surface and defect correlation studies on high resistivity 4H-SiC bulk crystals and epitaxial layers for radiation detectors. , Invited Paper, SPIE Proc., 8142: 81420H-1-9, 2011.
Krishna, Ramesh M., Hayes, Timothy C., Muzykov, Peter G., Mandal, Krishna C. (2011). Low Temperature Crystal Growth and Characterization of Cd0.9Zn0.1Te for Radiation Detection Applications. , Mater. Res. Soc. Symp. Proc., 1341: 39-44, 2011.
Das, Sandip, Mandal, Krishna C. (2011). Synthesis and Characterization of Rare Earth (Tb3+ and Yb3+) Doped CdS/ZnS Core/Shell Nanocrystals for Enhanced Photovoltaic Efficiency. , Mater. Res. Soc. Symp. Proc., 1322: 75-81, 2011.
Das, Sandip, Mandal, Krishna C. (2011). Fabrication of Improved p-AgGaSe2/n-Si Heterojunction Solar Cells on Optimum Quality Thermally Evaporated AgGaSe2 Thin Films. , Mater. Res. Soc. Symp. Proc., 1323: 151-156, 2011.
Muzykov, P.G., Krishna, R., Das, S., Hayes, T., Sudarshan, T.S., Mandal, Krishna C. (2011). Characterization of 4H semi-insulating silicon carbide single crystals using electron beam induced current. , Materials Letters, 65: 911-914, 2011.
Xu, G., Sun, G., Ding, Y.J., Zotova, B.I., Mandal, Krishna C. , Mertiri, A., Pabst, G., Fernelius, N.C. (2011). Investigation of symmetries of second-order nonlinear susceptibility tensor of GaSe crystals in THz domain. , Optics Communications, 284: 2027-2030, 2011.
Mandal, Krishna C. , Muzykov, P., Krishna, R., Hayes, T., Sudarshan, T.S. (2011). Thermally stimulated current and high temperature resistivity measurements of 4H semi-insulating silicon carbide. , Solid State Communications, 151: 532-535, 2011.
Xu, G., Sun, G., Ding, Y.J., Zotova, B.I., Mandal, Krishna C. , Mertiri, A., Pabst, G., Roy, R., Fernelius, N.C. (2011). Investigation of Terahertz Generation due to Unidirectional Diffusion of Carriers in Centrosymmetric GaTe Crystals. , IEEE Journal of Selected Topics in Quantum Electronics, 17: 30-37, 2011.
Mandal, Krishna C. , Krishna, R.M., Muzykov, P.G., Das, S., Sudarshan, T.S. (2011). Characterization of Semi-Insulating 4H Silicon Carbide for Radiation Detectors. , IEEE Transactions on Nuclear Science, 58: 1992-1999, 2011.
Muzykov, Peter G., Krishna, Ramesh M., Mandal, Krishna C. (2012). Temperature dependence of current conduction in semi-insulating 4H-SiC epitaxial layer. , Applied Physics Letters, 100: 032101-1-4, 2012.
Mandal, Krishna C. , Muzykov, Peter G., Chaudhuri, Sandeep K., Terry, J. Russell. (2012). Assessment of 4H-SiC epitaxial layers and high resistivity bulk crystals for radiation detectors. , Invited Paper, SPIE Proc., 8507: 85070C-1-10, 2012.
Chaudhuri, Sandeep K., Krishna, Ramesh M., Zavalla, Kelvin J., Mandal, Krishna C. (2012). High energy gamma-ray detection using CZT detectors with virtual Frisch grid. , SPIE Proc., 8507: 85070H-1-8, 2012.
Chaudhuri, Sandeep K., Krishna, Ramesh M., Zavalla, Kelvin J., Matei, Liviu, Buliga, Vladimir, Groza, Michael, Burger, Arnold, Mandal, Krishna C. (2012). Performance of Cd0.9Zn0.1Te Based High Energy Gamma Detectors in Various Single Polarity Sensing Device Geometries. , IEEE 2012 Medical Imaging Conference, Nuclear Science Symposium & Workshop on Room Temperature Semiconductor X- and Gamma-ray Detectors, Oct. 29 - November 03, Anaheim, California, IEEE Conference Record, R13-4: 4266-4270, 2012.
Mandal, Krishna C. , Muzykov, Peter G., Chaudhury, Sandeep K., Terry, J. Russell. (2012). High-Resolution x- and gamma-ray Detection Using 4H-SiC n-type Epitaxial Layer. , IEEE 2012 Medical Imaging Conference, Nuclear Science Symposium & Workshop on Room Temperature Semiconductor X- and Gamma-ray Detectors, Oct. 29 - November 03, Anaheim, California, Invited Paper, IEEE Conference Record, R07-2: 4216-4221, 2012.
Mandal, Krishna C. , Das, Sandip (2012). Fabrication and Characterization of Improved p-GaTe/n-InSe Heterojunction Solar Cells. , IEEE Photovoltaic Specialists Conference Proceedings, 978: 177-178, 2012.
Das, Sandip, Mandal, Krishna C. (2012). Comparison of Cu2ZnSnS4 Thin-film Properties Prepared by Thermal Evaporation of Elemental Metals and Binary Sulfide Sources. , IEEE Photovoltaic Specialists Conference Proceedings, 978: 2674-2678, 2012.
Das, Sandip, Mandal, Krishna C. (2012). Low-Cost Cu2ZnSnS4 Thin Films for Large-Area High-Efficiency Heterojunction Solar Cells. , IEEE Photovoltaic Specialists Conference, 978: 2668-2673, 2012.
Muzykov, P.G., Krishna, R.M., Mandal, Krishna C. (2012). Characterization of deep levels in n-type and semi-insulating 4H-SiC epitaxial layers by thermally stimulated current spectroscopy. , Journal of Applied Physics, 111: 014910-1-7, 2012.
Mandal, Krishna C. , Muzykov, P.G., Krishna, R.M., Terry, J.R. (2012). Characterization of 4H-SiC epitaxial layers and high resistivity bulk crystals for radiation detectors. , IEEE Transactions on Nuclear Science, 59: 1591-1596, 2012.
Mandal, Krishna C. , Krishna, R.M., Muzykov, P.G., Hayes, T.C. (2012). Fabrication and characterization of high barrier Cd0.9Zn0.1Te Schottky diodes for high resolution nuclear radiation detectors. , IEEE Transactions on Nuclear Science, 59: 1504-1509, 2012.
Das, S., Mandal, Krishna C. (2012). Optical Downconversion in Rare Earth (Tb3+ and Yb3+) Doped CdS Nanocrystals. , Materials Letters, 66: 46-49, 2012.
Krishna, R.M., Hayes, T.C., Krementz, D., Weeks, G., Mandal, Krishna C. , Torres, M.A., Brinkman, K. (2012). Characterization of transparent conducting oxide thin films deposited on ceramic substrates. , Materials Letters, 66: 233-235, 2012.
Das, S., Mandal, Krishna C. (2012). Optical Down-Conversion in Tb3+-Doped Zn-Chalcogenide Quantum Dots. , ECS Transactions, 45: 89-94, 2012.
Das, S., Frye, C., Muzykov, P.G., Mandal, Krishna C. (2012). Deposition and Characterization of Low-cost Spray Pyrolyzed Cu2ZnSnS4 Thin-films for Large-area high-efficiency Heterojunction Solar Cells. , ECS Transactions, 45: 153-161, 2012.
Mandal, Krishna C., Muzykov, P.G., Terry, J.R. (2012). Design, Fabrication, Characterization, and Evaluation of X-ray Detectors Based on n-type 4H-SiC Epilayers. , ECS Transactions, 45: 27-33, 2012.
Mandal, Krishna C , Muzykov, Peter G., Terry, J. Russell (2012). Highly sensitive x-ray detectors in the low-energy range on n-type 4H-SiC epitaxial layers. , Applied Physics Letters, 101: 051111-1-4, 2012.
Chaudhuri, Sandeep K., Zavalla, Kelvin J., Mandal, Krishna C. (2013). Experimental determination of electron-hole pair creation energy in 4H-SiC epitaxial layer: An absolute calibration approach. , Applied Physics Letters, 102: 031109-1-4, 2013.
Krishna, R. M., Chaudhuri, S. K., Zavalla, K. J., Mandal, Krishna C. (2013). Characterization of Cd0.9Zn0.1Te based virtual Frisch grid detectors for high energy gamma ray detection. , Nuclear Instruments and Methods in Physics Research A, 701: 208-213, 2013.
Chaudhuri, S. K., Krishna, R. M., Zavalla, K. J., Mandal, Krishna C. (2013). Schottky barrier detectors on 4H-SiC n-type epitaxial layer for alpha particles. , Nuclear Instruments and Methods in Physics Research A, 701: 214-220, 2013.
Krishna, Ramesh M., Muzykov, Peter G., Mandal, Krishna C. (2013). Electron beam induced current imaging of dislocations in Cd0.9Zn0.1Te crystal. , Journal of Physics and Chemistry of Solids, 74: 170-173, 2013.
Das, Sandip, Mandal, Krishna C. (2013). Optical down-conversion in doped ZnSe:Tb3+ nanocrystals. , Nanoscale, 5: 913-915, 2013.
Chaudhuri, Sandeep K., Zavalla, Kelvin J., Krishna, Ramesh M., Mandal, Krishna C. (2013). Biparametric analyses of charge trapping in Cd0.9Zn0.1Te based virtual Frisch grid detectors. , Journal of Applied Physics, 113: 0745041-1-6, 2013.
Mandal, Krishna C., Muzykov, Peter G., Chaudhuri, Sandeep K., Terry, J. Russell (2013). Low energy x-ray and gamma-ray detectors fabricated on n-type 4H-SiC epitaxial layers. , IEEE Transactions on Nuclear Science, 60, 2888-2893, 2013.
Chaudhuri, Sandeep K., Krishna, Ramesh M., Zavalla, Kelvin J., Matei, Liviu, Buliga, Vladimir, Groza, Michael, Burger, Arnold, Mandal, Krishna C. (2013). Cd0.9Zn0.1Te Crystal Growth and Fabrication of Large Volume Single-Polarity Charge Sensing Gamma Detectors. , IEEE Transactions on Nuclear Science, 60, 2853-2858, 2013.
Chaudhuri, Sandeep K., Zavalla, Kelvin J., Mandal, Krishna C. (2013). High Resolution Alpha Particle Detection Using 4H-SiC Epitaxial Layers: Fabrication, Characterization, and Noise Analysis. , Nuclear Instruments and Methods in Physics Research A, 728, 97-101, 2013.
Das, Sandip, Mandal, Krishna C. (2013). Single phase polycrystalline Cu2ZnSnS4 grown by vertical gradient freeze technique. , Journal of Crystal Growth, 381, 148-152, 2013.
Das, Sandip, Mandal, Krishna C. (2013). Cu2ZnSnSe4 Photovoltaic Absorber Grown by Vertical Gradient Freeze Technique. , Japanese Journal of Applied Physics 52: 125502-1-4, 2013.
Das, Sandip, Zavalla, Kelvin J., Mannan, M. A., Mandal, Krishna C. (2013). Fabrication and Characterization of Low-cost, Large-area Spray Deposited Cu2ZnSnS4 Thin Films for Heterojunction Solar Cells. Vol. 1538, DOI 10.1557-opl.2013.1001: Mater. Res. Soc. Symp. Proc., 7 pages, 2013.
Zavalla, Kelvin J., Chaudhuri, Sandeep K., Mandal, Krishna C. (2013). Fabrication of High-Resolution Nuclear Detectors Using 4H-SiC n-type Epitaxial Layers. Vol. 1576, DOI: 10.1557/opl.2013.1195: Mater. Res. Soc. Symp. Proc., 6 Pages, 2013.
Chaudhuri, Sandeep K., Zavalla, Kelvin J., Krishna, Ramesh M., Mandal, Krishna C. (2013). Gamma Ray Detection with Cd0.9Zn0.1Te Based Detectors Grown Using a Te Solvent Method. Vol. 1576, DOI: 10.1557/opl.2013.1153: Mater. Res. Soc. Symp. Proc., 6 pages, 2013.
Chaudhuri, Sandeep K., Zavalla, Kelvin J., Mandal, Krishna C. (2013). Fabrication of high-resolution n-type 4H-SiC epitaxial layer alpha particle detectors, defect characterization, and electronic noise analysis. SPIE Proc. Vol. 8852: 88520D-1-7, 2013.
Mandal, Krishna C., Mehta, Abhinav, Chaudhuri, Sandeep K. (2013). Characterization of amorphous selenium alloy detectors for x-rays and high-energy nuclear radiation detection. SPIE Proc., Vol. 8852: 88521O-1-7, 2013.
Mandal, Krishna C., Zavalla, Kelvin J., Chaudhuri, Sandeep K. (2013). 4H-SiC Schottky Barrier Devices for High-Resolution Nuclear Detection. IEEE Conf. Record: R11-2, 2013.
Chaudhuri, Sandeep, K., Zavalla, Kelvin J., Croza, Michael, Buliga, Vladimir, Matei, Liviu, Burger, Arnold, Mandal, Krishna C. (2013). Fabrication and characterization of large area Cd0.9Zn0.1Te guarded pixilated detector. IEEE Conf. Record: R05-2, 2013.
Chaudhuri, Sandeep K., Nguyen, Khai, Pak, Rahmi O., Matei, Liviu, Buliga, Vladimir, Groza, Michael, Burger, Arnold, Mandal, Krishna C. (2014). Large Area Cd0.9Zn0.1Te Pixelated Detector: Fabrication and Characterization. , IEEE Transactions on Nuclear Science, Vol. 61, Issue 2, DOI: 10:1109/TNS.2014.2307861: In Press, 2014.
Mandal, Krishna C., Chaudhuri, Sandeep K., Nguyen, Khai (2014). Correlation of Deep Levels with Detector Performance in 4H-SiC Epitaxial Schottky Barrier Alpha Detectors. IEEE Transactions on Nuclear Science, Submitted.
Das, Sandip, Mandal, Krishna C. (2014). Growth and characterization of kesterite Cu2ZnSn(SxSe1-x)4 crystals for photovoltaic applications. Materials Research Bulletin, Submitted, 2014.

Awarded Externally-Sponsored Funding(Past Seven Years)

Fabrication of Thin Films on Ceramic Substrates (15530-FB09)
Sponsor:  SC Universities Research & Education Foundation (SCUREF)/SRNS/DOE
Total Requested:  $50,000
Grant # WEST181,08/11/2010 - 11/30/2011
Quantum Cutting Core-Shell Nanocrystals for Enhanced Solar Cell Efficiency (15530-FB06)
Sponsor:  Space and Naval Warfare Systems Center (SSC)Pacific/DARPA/DOD
Total Requested:  $299,390
Grant # N66001-10-1-4031,06/28/2010 - 06/26/2013
Enriched Boron-Doped Amorphous Selenium Based Position-Sensitive Solid-State Thermal Neutron Detector for MPACT Applications (15530-FB28)
Sponsor:  Battelle Energy Alliance, LLC/DOE
Total Requested:  $1,120,000
Grant # 120563,10/12/2011 - 10/26/2015
Fabrication and Characterization of Semi-insulating Silicon Carbide Sensors for Low-energy X-ray Detection (15530-FB24)
Sponsor:  Los Alamos National Laboratory/DOE
Total Requested:  $125,000
Grant # 143479,05/24/2011 - 12/30/2013
CV last updated 02/23/2014 11:04 EST
Publications last updated 02/23/2014 11:34 EST
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