344 Tyler McCarthy, Zheng Ju, Shui-Qing (Fisher) Yu, Yong Zhang, Momentum (k)-Space Charge Separation Mid-Wave Infrared Photodetectors Using SiGeSn Alloys, oral presentation at the IEEE Photonics Society 2021 Summer Topicals Meeting Series, Virtual Conference (07/2021).
2019
343 Jia Ding, Jacob Becker, Cheng-Ying Tsai, Calli Campbell, Yong-Hang Zhang, Comparison study of 1.7-eV MgCdTe solar cells and applications for tandem cells, oral presentation at the 29th International Photovoltaic Science and Engineering Conference (PVSEC 2019), Xi’an, China. (Best Paper Award)
342 Tyler McCarthy, Y.-H.Zhang, structural and Optical Properties of PbTe/CdTe/InSb Heterostructures Grown using Molecular Beam Epitaxy, oral presentation at the 35th North American Conference on Molecular Beam Epitaxy (NAMBE 2019), Ketchum, Idaho(09/2019)
341 Cheng-Ying Tsai, Y. Zhang, Z. Ju, Y.-H. Zhang, Vertical Hole Transport in InAs/InAs1-xSbx Type-II Superlattices, oral presentation at the 35th North American Conference on Molecular Beam Epitaxy (NAMBE 2019), Ketchum, Idaho(09/2019)
340 Jia Ding, Yong-Hang Zhang, Study of Open-Circuit Voltage in CdTe/MgCdTe Double-Heterostructure Solar Cells with Different Hole Contacts, oral presentation at The IEEE Photovoltaic Specialist Conference (PVSC 46th), Chicago, IL(04/2019)
2018
339. M. B. Lassise, T. T. McCarthy, B. D. Tracy, D. J. Smith, and Y.-H. Zhang, MBE Growth of Monocrystalline PbTe/CdTe/InSb Heterovalent Heterostructures, oral presentation at the 14th International Conference on Mid-IR Optoelectronics: Materials and Devices MIOMD-XIV (MIOMD 2018) Flagstaff, October 7-10, 2018.
338. C.-Y. Tsai, J. Ding, and Y.-H. Zhang, Epitaxial Lift-Off Technology Based on Water-Soluble MgTe for Multi-Color Photodetector and Solar Cell Applications,oral presentation at the 14th International Conference on Mid-IR Optoelectronics: Materials and Devices MIOMD-XIV (MIOMD 2018) Flagstaff, October 7-10, 2018.
337. M. B. Lassise, B. D. Tracy, D. J. Smith, and Y.-H. Zhang, High-Reflectivity Heterovalent Distributed Bragg Reflectors for Midwave Infrared Resonant Cavities, oral presentation at the 34th North American Conference on Molecular Beam Epitaxy (NAMBE 2018), Banff, September 30 – October 5, 2018.
336. C.-Y. Tsai, C. M. Campbell, J. Ding, and Y.-H. Zhang, Epitaxial Lift-Off of II-VI Thin Film Using Water Soluble MgTe Sacrificial Layer, oral presentation at the International Conference on Molecular Beam Epitaxy, Shanghai, September 2-7, 2018.
335. M. B. Lassise, T. T. McCarthy, B. D. Tracy, D. J. Smith, and Y.-H. Zhang, Heterovalent CdTe/InSb Quantum Structures, oral presentation at the International Conference on Molecular Beam Epitaxy, Shanghai, September 2-7, 2018.
334. J. Ding and Y.-H. Zhang, Vertical transport across CdTe/InSb heterovalent interface grown by MBE, oral presentation at the International Conference on Molecular Beam Epitaxy, Shanghai, September 2-7, 2018.
333. C. M. Campbell, X. Wang, R. Nemanich and Y.-H. Zhang, “Structural property and band offsets in the CdTe/InSb(001) heterovalent interface grown by using molecular beam epitaxy,” oral presentation at the International Conference on Molecular Beam Epitaxy, Shanghai, September 2-7, 2018. (Outstanding Student MBE Award)
332. B. Seredyński, M. Król, P. Starzyk, R. Mirek, M. Ściesiek, K. Sobczak, J. Borysiuk, D. Stephan, J. Szczytko, B. Piętka, W. Pacuski, C. M. Campbell, C.-Y. Tsai, J. Ding, Y.-H. Zhang, Epitaxial layers lift-off using MgTe sacrificial buffer, 7th International School & Conference on the Physics of Semiconductors “Jaszowiec 2018”, Szczyrk, Poland, June 16th – 22nd, 2018
331. M. Lassise, C.-Y. Tsai, and Y.-H. Zhang, III-V/II-VI semiconductor distributed Bragg reflectors and resonant cavities for narrow-spectral MWIR LED and photodetector applications, Quantum Structure Infrared Photodetectors Conference, (QSIP), Stockholm, June 16-21 2018.
330. C. M. Campbell, C.-Y. Tsai, J. Ding, B. Seredynski, W. Pacuski, and Y.-H. Zhang, “Lift-off technology using water soluble MgTe layer for high-efficiency CdTe and MgxCd1-xTe solar cells,” presented at the 7thWorld Conference on Photovoltaic Energy Conversion in Waikoloa, Hawaii in June 10-15, 2018.
329. E. Luna, A. Trampert, J. Lu, T. Aoki, Y.-H. Zhang, M.R. McCartney and D.J. Smith, Analysis of composition profiles across the CdTe/InSb interface, Compound Semiconductor Week, Cambridge, MA, July 8, 2018.
2017
M. Liao, C. Campbell, C.-Y. Tsai, Y.-H. Zhang, and M. Goorsky, Strain analysis of CdTe on InSb epitaxial structures using x-ray based reciprocal space measurements and dynamical diffraction simulations, October 31 – November 2, 2017
M. Lassise, P. Wang, B. Tracy, G. Chen, D. J. Smith, and Y.-H. Zhang, II-VI/III-V Heterovalent Quantum Structures grown in a Single-Chamber MBE System, the 33rdNorth American Conference on Molecular Beam Epitaxy (NAMBE 2017), Galveston Island, October 15-18, 2017
C.-Y. Tsai, G. Chen, Y.-H. Zhang, MBE grown CdSe/CdTe superlattices on InSb (001) substrates for solar cell applications, the 33rdNorth American Conference on Molecular Beam Epitaxy (NAMBE 2017), Galveston Island, October 15-18, 2017
C. M. Campbell, J. J. Becker, P. Wang, C.-Y. Tsai, G. Chen, W. Weigand, J. Shi, N. Theut, M. I. Bertoni, Z. Holman, Y.-H. Zhang, MgxCd1-xTe solar cells with a 1.7 eV n-type absorber region grown by MBE, the 33rdNorth American Conference on Molecular Beam Epitaxy (NAMBE 2017), Galveston Island, October 15-18, 2017
C. M. Campbell, X.-H. Zhao, Y. Zhao, M. Boccard, C.-Y. Tsai, J. J. Becker, Z. Holman, and Y.-H. Zhang, Monocrystalline 1.7 eV MgCdTe double-heterostructure subcell for high-efficiency II-VI/Si tandem device applications, the 44rdIEEE Photovoltaic Specialist Conference, Washington D.C., June 25-30, 2017
J. J. Becker, X. Xu, R. Woods-Robinson, C. M. Campbell, M. Lassise, J. Ager, and Y.-H. Zhang, CuZnS hole contacts on monocrystalline CdTe/MgCdTe double-heterostructure solar cells, the 44rdIEEE Photovoltaic Specialist Conference, Washington D.C., June 25-30, 2017
M. Lassise, G. Chen, B. Tracy, P. Wang, D. Smith, and Y.-H. Zhang, Heterovalent ZnSe/GaAs/ZnSe double heterostructures and quantum wells grown using MBE, Compound Semiconductor Week, Berlin, May 14–18, 2017
C. M. Campbell, C.-Y. Tsai, J. Becker, M. Boccard, Z. Holman, and Y.-H. Zhang, 1.7 eV Mg0.13Cd0.87Te solar cells for tandem applications, MRS Spring Meeting, Phoenix, April 17-21, 2017
Y.-H. Zhang, Heterovalent structures and potential device applications, Workshop on Compound Semiconductor Devices and Materials (WOCSEMMAD), Tampa, Feb. 19-22, 2017
2016
M. Boccard, J. Becker, Y. Zhao, C. M. Campbell, X.-H. Zhao, S. Liu, M. Lassise, E. Suarez, Z. Yu, Z. Holman, and Y.-H. Zhang, Monocrystalline CdTe solar cell with an a-Si:H hole contact reaches 1.1 V open-circuit voltage, the 26thedition of the International Photovoltaic Science and Engineering Conference (PVSEC-26), 24 – 28 October 2016, Singapore
318. M. Lassise, B. Tracy, D. J. Smith, and Y.-H. Zhang, Heterovalent InAsSb/ZnTe Double Heterostructures Lattice-Matched to GaSb Substrate, the 32ndNorth American Molecular Beam Epitaxy Conference (NAMBE), September 18-21, 2016, Saratoga Springs, New York
317. Y.-H. Zhang, X.-H. Zhao, C. Campbell, M. Lassise, B. Tracy, Jacob Becker, Yuan Zhao, Mathieu Boccard, David Smith, Zachary Holman, CdTe/MgCdTe double-heterostructures and solar cells grown by MBE on lattice-matched InSb substrates, the 19thInternational Conference on Molecular-Beam Epitaxy, 4-9 Sep. 2016, Montpellier, France.
316. C. M. Campbell, X.-H. Zhao,E. Suarez, J. Becker, Y. Zhao, M. Boccard, M. B. Lassise, Z. Holman, and Y.-H. Zhang, Mg0.13Cd0.87Te/MgyCd1-yTe (y>0.13) double heterostructures and photovoltaic devices for high-efficiency II-VI/Si tandem cells, the 19thInternational Conference on Molecular-Beam Epitaxy, 4-9 Sep. 2016, Montpellier, France
315. J. Lu, E. Luna, T. Aoki, Y.-H. Zhang, and D. J. Smith, Influence of Bi as surfactant on the unintentional incorporation of Sb in InAs during the MBE growth of InAs/InAsSb superlattices, Microscopy & Microanalysis 2016 Meeting, Columbus, July 24-28, 2016.
314. C. Campbell, Y. Zhao, E. Saurez, X.-H. Zhao, J. Becker, Y.-H. Zhang, MBE-grown Mg0.13Cd0.87Te for MgCdTe (1.7 eV)/Si (1.1 eV) tandem solar cell applications, the 43rdInternational Symposium on Compound Semiconductor, Toyama, June 26-30, 2016.
313. Z.-Y. Lin, Z.-Y. He, Y.-H. Zhang, Influence of carrier localization on the carrier transport in InAs/InAsSb type-II superlattices, Quantum Structure Infrared Photodetectors (QSIP), Tel Aviv, June 12-17, 2016.
312. Z.-Y. He, C. Campbell, M. Lassise, Z.-Y. Lin, M. Boccard, Z. Holman, Y.-H. Zhang, Optically-addressed Visible/MWIR two-color photodetectors using monolithically-integrated CdTe and InSb diodes, Quantum Structure Infrared Photodetectors (QSIP), Tel Aviv, June 12-17, 2016.
311. C. M. Campbell, Y. Zhao, E. Suarez, M. Boccard, X.-H. Zhao, M. B. Lassise, P. T. Webster, Z.-Y. He, S. Johnson, Z. Holman, Y.-H. Zhang, 1.7 eV MgCdTe double-heterostructure solar cells for tandem device applications, the 43rdIEEE Photovoltaic Specialist Conference, Portland, June 5-10, 2016.
310. Y. Zhao, X.-H. Zhao, Y.-H. Zhang, Radiative recombination dominated n-type monocrystalline CdTe/MgCdTe double-heterostructures, the 43rdIEEE Photovoltaic Specialist Conference, Portland, June 5-10, 2016.
309. Y. Zhao, M. Boccard, Jacob Becker, Xin-Hao Zhao, Calli M. Campbell, Ernesto Suarez, Zachary Holman, Yong-Hang Zhang, Monocrystalline CdTe/MgCdTe double-heterostructure solar cells with 1.096 V Voc and 17.0 % efficiency, the 43rdIEEE Photovoltaic Specialist Conference, Portland, June 5-10, 2016. (Best student paper award)
308. J. J. Becker, C. M. Campbell, Y. Zhao, M. Boccard, E. Suarez, M. Lassise, Y.-H. Zhang, Monocrystalline CdTe/MgCdTe double-heterostructure solar cells with a passivated ZnTe hole-contact layer, the 43rdIEEE Photovoltaic Specialist Conference, Portland, June 5-10, 2016. (Best post award)
307. X.-H. Zhao, S. Liu, C. M. Campbell, Y. Zhao, M. B. Lassise, Y.-H. Zhang, Impact of thermionic emission and tunneling effect on the measurement of low interface recombination velocity (~1 cm/s) in CdTe/MgxCd1-xTe double heterostructures, the 43rdIEEE Photovoltaic Specialist Conference, Portland, June 5-10, 2016.
306. X. Wang, C. Campbell1, Y.-H. Zhang, and R. Nemanich, Band alignment of hydrogen-plasma cleaned MBE CdTe on InSb (001), MRS Spring Meeting, Phoenix, 2016.
305. C. Campbell, Y. Zhao, X. Zhao, X. Wang, M. Boccard, M. Lassise, S. Liu, E. Suarez, R. Nemanich, Z. Holman, Y.-H. Zhang, Lifetime, electrical and stability studies of CdTe/MgxCd1-xTe double heterostructures featuring barrier layers with high Mg composition for optoelectronic and solar cell applications,MRS Spring Meeting, Phoenix, 2016.
304. E. Suarez, M. Lassise, C. Campbell, X.-H. Zhao, D. Smith, Y.-H. Zhang, ZnTe/GaSb heterovalent structures for potential High-Speed Device Applications, MRS Spring Meeting, Phoenix, 2016.
303. X.-H. Zhao, S. Liu, C. M. Campbell, M. B. Lassise, Optical properties of CdTe/MgCdTe double heterostructures grown on InSb substrates, MRS Spring Meeting, Phoenix, 2016.
302. Z.-Y. He, J. Becker, C. Campbell, Y.-S. Kuo, S. Liu, M. Lassise, Z.-Y. Lin, and Y.-H. Zhang, Material and interface properties in an optically-addressed visible/MWIR two-color photodetector based on monolithically-integrated CdTe nBn and InSb PIN diodes, MRS Spring Meeting, Phoenix, 2016.
301. J. Lu, E. Luna, T. Aoki, Y.-H. Zhang, and D. J. Smith, Quantitative study of Sb segregation in InAs/InAs1-xSbxType-II superlattices for IR photodetectors, MRS Spring Meeting, Phoenix, 2016.
300. P. T. Webster1, A. J. Shalindar, Y.-H. Zhang, and S. R. Johnson, Molecular beam epitaxy growth of III-V materials at the GaSb lattice constant using bismuth both as an alloy constituent and as a surfactant, Lawrence Symposium on Epitaxy, Scottsdale, Feb. 21-24, 2016.
2015
299. Y.-H. Zhang, Heterovalent heterostructures and CdTe/MgCdTe DH on InSb with record low interface recombination velocity, Workshop on Compound Semiconductor Devices and Materials (WOCSEMMAD), Tucson, Feb. 1-4, 2016
298. X.-M. Shen, Z.-Y. He, S. Liu, Y.-H. Zhang, D. J. Smith, and M. R. McCartney, Determination of Heterointerface Band Alignments in nBn Photodetectors Using Off-Axis Electron Holography, 2015 Annual Meeting of APS Four Corner Session, Tempe, USA, Oct. 16-17, 2015.
297. X.-H. Zhao, S. Liu, C. M. Campbell, M. B. Lassise, Y. Zhao, Y.-S. Kuo, Y.-H. Zhang, Ultra-long minority carrier lifetime and ultra-low interface recombination velocity in CdTe/MgCdTe double heterostructures grown by molecular beam epitaxy, 2015 Annual Meeting of APS Four Corner Session, Tempe, USA, Oct. 16-17, 2015.
296. E. Suarez, S. Liu, X.-H. Zhao, Y. Zhao, J. Becker, C. Campbell, M. Lassise, Y.-S. Kuo, and Y.-H. Zhang, ZnTe:P/CdTe Superlattice Window for CdTe Solar Cell on InSb Substrates, 2015 Annual Meeting of APS Four Corner Session, Tempe, USA, Oct. 16-17, 2015.
295. P. T. Webster, A. J. Shalindar, N. A. Riordan, C. Gogineni, H. Liang, A. R. Sharma, and S. R. Johnson, Design and performance of mid and long infrared III-V semiconductor superlattice materials, 2015 Annual Meeting of APS Four Corner Session, Tempe, USA, Oct. 16-17, 2015.
294. S. Liu, X.-H. Zhao, Y. Zhao, J. Becker, C. Campbell, M. Lassise, Y.-S. Kuo, M. DiNezza, E. Suarez, and Y.-H. Zhang, Improving CdTe solar cell efficiency through novel heterostructures, Material Science Technology Conference (invited), Columbus, USA, Oct 4-8, 2015.
293. X.-H. Zhao, S. Liu, C. M. Campbell, M. B. Lassise, Y. Zhao, Y.-S. Kuo, Y.-H. Zhang, Kuo, Y.-H. Zhang, CdTe/MgCdTe double heterostructures with very long minority carrier lifetime and low interface recombination velocity, the U.S. workshop on the physics and chemistry of II-VI materials, Chicago, USA, Oct. 5-8, 2015.
292. J. Becker, Y.-S. Kuo, S. Liu, Y. Zhao, X.-H. Zhao, P.-Y. Su, I. Bhat, and Y.-H. Zhang, Monocrystalline ZnTe/CdTe/MgCdTe double heterostructure solar cellsthe U.S. workshop on the physics and chemistry of II-VI materials, Chicago, USA, Oct. 5-8, 2015.
291. S. Liu, X.-H. Zhao, C. Campbell, M. Lassise, Y. Zhao, and Y.-H. Zhang, Ultra long carrier lifetime and low interface recombination velocity in CdTe/MgCdTe double heterostructures, the 31th North American Molecular Beam Epitaxy Conference, Cancun, Mexico, Oct. 4-7, 2015.
290. Z.-Y. Lin, S. Liu, and Y.-H. Zhang, Influence of carrier localization on minority carrier lifetime in InAs/InAsSb type-II superlattices grown by molecular beam epitaxy, the 31th North American Molecular Beam Epitaxy Conference, Cancun, Mexico, Oct. 4-7, 2015.
289. X.-M. Shen, Z.-Y. He, S. Liu, Y.-H. Zhang, D. J. Smith, and M. R. McCartney, Determination of Heterointerface Band Alignments in nBn Photodetectors Using Off-Axis Electron Holography, the 31th North American Molecular Beam Epitaxy Conference, Cancun, Mexico, Oct. 4-7, 2015.
288. P. T. Webster, A. J. Shalindar, Y.-H. Zhang, S. R. Johnson, Optical properties of InAsBi/InAs quantum wells, the 31th North American Molecular Beam Epitaxy Conference, Cancun, Mexico, Oct. 4-7, 2015.
287. Y.-S. Kuo, Z-Y. He, J. Becker, X-H. Zhao, M. B. Lassise, C. M. Campbell, S. Liu, and Y-H. Zhang, Interface and Vertical Transport Study of CdTe/InSb Grown by MBE, the 31th North American Molecular Beam Epitaxy Conference, Cancun, Mexico, Oct. 4-7, 2015.
286. Z.-Y. Lin and Y.-H. Zhang, A real-time baseline correction method for infrared time-resolved photoluminescence, 2015 SPIE Optics and Photonics, San Diego, USA, August 8-13, 2015.
285. P. T. Webster, A. J. Shalindar, Y.-H. Zhang, S. R. Johnson, Optical properties of InAsBi quantum wells and bulk layers, the 2015 Workshop on Bismuth-containing Semiconductors, Madison, USA, Jul. 19-22, 2015.
284. Y. Zhao, S. Liu, and Y.-H. Zhang, Does below-bandgap absorption improve solar cell efficiency? the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
283. Y. Zhao and Y.-H. Zhang, Simulated performance of monocrystalline CdTe/MgCdTe double heterostructure solar cells, the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
282. S. Liu, X.-H. Zhao, Y. Zhao, C. Campbell, M. Lassise, E. Suarez, and Y.-H. Zhang, Structural and optical properties of MgxCd1-xTe alloys grown on InSb (100) substrates using molecular beam epitaxy, the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
281. S. Liu, X.-H. Zhao, C. Campbell, M. Lassise, Y. Zhao, and Y.-H. Zhang, Significantly improved carrier lifetime and reduced interface recombination velocity for CdTe/MgCdTe double heterostructures, the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
280. X.-H. Zhao, S. Liu, Y. Zhao, C. M. Campbell, M. B. Lassise, Y.-S. Kuo, and Y.-H. Zhang, Optical properties of indium-doped CdTe/MgCdTe double heterostructures, the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
279. X.-H. Zhao, S. Liu, C. M. Campbell, and Y.-H. Zhang, Study of carrier lifetime degradation in (Zn)CdTe/MgCdTe double heterostructures, the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
278. Y.-S. Kuo, J. Becker, S. Liu, Y. Zhao, X.-H. Zhao, P.-Y. Su, I. Bhat, Y.-H. Zhang, Monocrystalline ZnTe/CdTe/MgCdTe Double Heterostructure Solar Cells Grown on InSb Substrates, the 42th IEEE Photovoltaic Specialist Conference, New Orleans, USA, Jun. 14-19, 2015.
277. D. Zuo, R. Liu, D. Wasserman, J. Mabon, Z. He, S. Liu, Y.-H. Zhang, E. A. Kadlec, B. V. Olson, and E. A. Shaner, Diffusion Characterization Using Electron Beam Induced Current and Time-Resolved Photoluminescence of InAs/InAsSb Type-II Superlattices, CELO, San Jose, May 10-15, 2015.
276. E. H. Steenbergen, Z.-Y. Lin, S. Elhamri, Y.-H. Zhang, R. Kaspi, Effects of AlSb interfaces on InAs/InAsSb type-II infrared superlattice material properties, SPIE Defense + Security, Baltimore, USA, Apr. 20-24, 2015.
275. Z.-Y. Lin, S. Liu, and Y.-H. Zhang, Minority carrier lifetimes in InAs/InAsSb type-II superlattices measured using double-modulation time-resolved photoluminescence, SPIE Defense + Security, Baltimore, USA, Apr. 20-24, 2015.
2014
274. X.-H. Zhao, M. J. DiNezza, S. Liu, Y.-S. Kuo, C. Campbell, Y. Zhao, and Y.-H Zhang, Low interface recombination velocity in MBE grown CdTe/MgCdTe double heterostructures, U.S. Workshop on the Physics & Chemistry of II-VI materials, Baltimore, MD, Oct. 21-23, 2014.
273. Y.-S. Kuo, J. Becker, Y. Zhao, M. J. DiNezza, X.-H. Zhao, S. Liu, C. Campbell, X. Liu, J. K. Furdyna, and Y.-H. Zhang, Monocrystalline ZnTe/CdTe/MgCdTe double heterostructure solar cells grown on InSb using MBE, U.S. Workshop on the Physics & Chemistry of II-VI materials, Baltimore, MD, Oct. 21-23, 2014.
272. P. T. Webster, J. Lu, N. A. Riordan, E. H. Steenbergen, S. Liu, D. J. Smith, Y.-H. Zhang, and S. R. Johnson, Optical Properties of InAs/InAsSb Superlattices Grown With and Without Bi as a Surfactant, presented at 18th International MBE Conference, Flagstaff, AZ, September 8-12, 2014.
