Growth and characterization of detector-grade CdMnTe by the vertical Bridgman technique

Roy, U. N.; Okobiah, O. K.; Camarda, G. S.; Cui, Y.; Gul, R.; Hossain, A.; Yang, G.; Egarievwe, S. U.; James, R. B.

doi:10.1016/j.jcrysgro.2015.12.017

Growth and characterization of detector-grade CdMnTe by the vertical Bridgman technique

Journal Article · Tue Dec 29 00:00:00 EST 2015 · Journal of Crystal Growth

DOI:https://doi.org/10.1016/j.jcrysgro.2015.12.017· OSTI ID:1438178

Roy, U. N. ^[1]; Okobiah, O. K. ^[2]; Camarda, G. S. ^[1]; Cui, Y. ^[1]; Gul, R. ^[2]; Hossain, A. ^[1]; Yang, G. ^[1]; Egarievwe, S. U. ^[2]; James, R. B. ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States); Alabama A&M Univ., Normal, AL (United States)

We grew Cd_1-xMn_xTe crystals with a nominal Mn concentration of 5% by the vertical Bridgman growth technique. The compositional variation along the length of the grown ingot was studied by powder X-ray diffraction. The composition was found to be uniform along the growth direction. The achieved resistivity was 1-2.5 x10¹⁰ ohm-cm with a mobility-lifetime (μτ) product value for electrons of ~1.7x10^-3 cm²/V. An energy resolution of ~7.5% at 662 keV was achieved for a 9-mm long Frisch grid detector fabricated from an ingot grown using as-received starting materials.

View Accepted Manuscript (DOE)

Research Organization:: Alabama A&M Univ., Normal, AL (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Organization:: Dept. of Homeland Security (DHS) (United States); Nuclear Regulatory Commission (NRC) (United States); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20)

Grant/Contract Number:: SC0012704

OSTI ID:: 1438178

Alternate ID(s):: OSTI ID: 1354381
OSTI ID: 1251781

Report Number(s):: BNL--205682-2018-JAAM; PII: S0022024815007368

Journal Information:: Journal of Crystal Growth, Journal Name: Journal of Crystal Growth Vol. 437; ISSN 0022-0248

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
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