Search Results - "Grein, C.H."

MBE HgCdTe for HDVIP Devices: Horizontal Integration in the US HgCdTe FPA Industry by Aqariden, F., Elsworth, J., Zhao, J., Grein, C.H., Sivananthan, S.

“…Molecular beam epitaxy (MBE) growth of HgCdTe offers the possibility of fabricating multilayer device structures with an almost unlimited choice of infrared…”
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MWIR and LWIR HgCdTe Infrared Detectors Operated with Reduced Cooling Requirements by Velicu, S., Grein, C.H., Emelie, P.Y., Itsuno, A., Philips, J.D., Wijewarnasuriya, P.

“…In this work, we analyze Auger suppression in HgCdTe alloy-based device structures and determine the operation temperature improvements expected when Auger…”
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Modeling of LWIR HgCdTe Auger-Suppressed Infrared Photodiodes under Nonequilibrium Operation by Emelie, P.Y., Velicu, S., Grein, C.H., Phillips, J.D., Wijewarnasuriya, P.S., Dhar, N.K.

“…The general approach and effects of nonequilibrium operation of Auger-suppressed HgCdTe infrared photodiodes are well understood. However, the complex…”
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Modeling of Recombination in HgCdTe by Grein, C.H., Flatté, M.E., Chang, Yong

“…Minority carrier recombination lifetime calculations for narrow-gap semiconductors are of direct practical interest in establishing whether a material’s…”
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Modeling and design considerations of HgCdTe infrared photodiodes under nonequilibrium operation by EMELIE, P. Y, PHILLIPS, J. D, VELICU, S, GREIN, C. H

“…The general approach and effects of nonequilibrium operation of Auger suppressed HgCdTe infrared detectors are well understood. However, the complex…”
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Arsenic activation in molecular beam epitaxy grown, in situ doped HgCdTe(211) by Boieriu, P., Grein, C. H., Jung, H. S., Garland, J., Nathan, V.

“…Photovoltaic p - n junctions are the most significant active components of both current infrared photodetectors and advanced ones being developed. It is of the…”
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Surface Morphology and Defect Formation Mechanisms for HgCdTe (211)B Grown by Molecular Beam Epitaxy by Chang, Yong, Becker, C.R., Grein, C.H., Zhao, J., Fulk, C., Casselman, T., Kiran, R., Wang, X.J., Robinson, E., An, S.Y., Mallick, S., Sivananthan, S., Aoki, T., Wang, C.Z., Smith, D.J., Velicu, S., Zhao, J., Crocco, J., Chen, Y., Brill, G., Wijewarnasuriya, P.S., Dhar, N., Sporken, R., Nathan, V.

“…The surface morphology and crystallinity of HgCdTe films grown by molecular beam epitaxy (MBE) on both CdZnTe and CdTe/Si (211)B substrates were characterized…”
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Thermoelectric Characteristics in MBE-Grown HgCdTe-Based Superlattices by Velicu, S., Grein, C.H., Zhao, J., Chang, Y., An, S.-Y., Yadav, A., Pipe, K.P.

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Effects of hydrogen on majority carrier transport and minority carrier lifetimes in long wavelength infrared HgCdTe on Si by Boieriu, P., Grein, C. H., Velicu, S., Garland, J., Fulk, C., Sivananthan, S., Stoltz, A., Bubulac, L., Dinan, J. H.

“…We present the results of using an electron cyclotron resonance (ECR) plasma to incorporate hydrogen into long wavelength infrared HgCdTe layers grown by…”
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Molecular beam epitaxy growth of HgCdTe for high performance infrared photon detectors by Chang, Yong, Fulk, C., Zhao, J., Grein, C.H., Sivananthan, S.

“…Significant progresses have been made in the molecular beam epitaxy (MBE) growth of HgCdTe for high performance infrared photon detectors with the aid of in…”
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Absorption of narrow-gap HgCdTe near the band edge including nonparabolicity and the urbach tail by YONG CHANG, GUHA, S, GREIN, C. H, VELICU, S, FLATTE, M. E, NATHAN, V, SIVANANTHAN, S

“…An analytical model describing the absorption behavior of Hg^sub 1-x^Cd^sub x^Te is developed. It simultaneously considers the contributions from non-parabolic…”
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Thermoelectric Characteristics in MBE-Grown HgCdTe-Based Superlattices by Velicu, S., Grein, C.H., Zhao, J., Chang, Y., An, S.-Y., Yadav, A., Pipe, K., Clark, W.

“…We present a study on the thermoelectric properties of n -type Hg 0.75 Cd 0.25 Te/Hg 0.7 Cd 0.3 Te superlattices (SLs). This material system was chosen because…”
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Characterization of PbSnSe/CdTe/Si (211) Epilayers Grown by Molecular Beam Epitaxy by Wang, X.J., Fulk, C., Zhao, F.H., Li, D.H., Mukherjee, S., Chang, Y., Sporken, R., Klie, R., Shi, Z., Grein, C.H., Sivananthan, S.

“…Narrow-bandgap PbSnSe has received much attention as a promising alternative material for mid- and long-wavelength high performance of infrared detection at…”
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Composition and thickness distribution of HgCdTe molecular beam epitaxy wafers by infrared microscope mapping by Chang, Yong, Badano, G., Jiang, E., Garland, J.W., Zhao, J., Grein, C.H., Sivananthan, S.

“…A technique based on infrared microscopy and the automatic fitting of the transmissivity curves has been developed to measure the composition and thickness…”
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Finite temperature studies of Te adsorption on [formula omitted] by Sen, Prasenjit, Ciraci, S, Batra, Inder P, Grein, C.H, Sivananthan, S

“…We perform first principles density functional calculations to investigate the adsorption of Te on the Si(0 0 1) surface from low coverage up to a monolayer…”
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Epitaxial growth simulations of CdTe(1 1 1)B on Si(0 0 1) by Oh, J., Grein, C.H.

“…The epitaxial growth of CdTe on Si(0 0 1) substrates is simulated employing molecular dynamics and a hybrid approach combining molecular dynamics and Molte…”
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Electronic structure and radiative lifetimes of ideal Zn 1− xBe xSe alloys by Grein, C.H, Radtke, R.J, Ehrenreich, H, Chauvet, C, Tournié, E, Faurie, J.P

“…The electronic band structures of Zn 1− x Be x Se alloys are computed employing the virtual crystal approximation and empirical pseudopotentials…”
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First principles calculations of Si(2 1 1) surface reconstructions by Grein, C.H.

“…Total energy calculations are performed on ideal and reconstructed surfaces of silicon (2 1 1). Specifically, the surface energies of 2 × 1 and rebonded 1 × 1…”
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Electronic structure and radiative lifetimes of ideal Zn1-xBexSe alloys by GREIN, C. H, RADTKE, R. J, EHRENREICH, H, CHAUVET, C, TOURNIE, E, FAURIE, J. P

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Modeling of CdTe(1 1 1)B/Si(0 0 1) interfaces by Oh, J., Grein, C.H.

“…A detailed numerical examination is performed of a model of the CdTe(1 1 1)B/Si(0 0 1) interface previously proposed by Sporken et al. Total energies of…”
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