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

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

doi:10.1063/1.5040362

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

Journal Article · Wed Oct 10 00:00:00 EDT 2018 · AIP Advances

DOI:https://doi.org/10.1063/1.5040362· OSTI ID:1476281

Roy, Utpal N. ^[1]; Okobiah, O. K. ^[2]; Camarda, G. S. ^[1]; Cui, Y. ^[1]; Gul, R. ^[2]; Hossain, A. ^[1]; Yang, G. ^[3]; Egarievwe, S. U. ^[2]; James, R. B. ^[4]

Brookhaven National Lab. (BNL), Upton, NY (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States); Alabama A&M Univ., Normal, AL (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States); North Carolina State Univ., Raleigh, NC (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States); Savannah River National Lab., Aiken, SC (United States)

Here, we grew Cd1-xMnxTe 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 or a 9-mm long Frisch grid detector fabricated from an ingot grown using as-received starting materials.

View Accepted Manuscript (DOE)

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation; USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20); USDOE National Nuclear Security Administration (NNSA), Office of Nonproliferation and Verification Research and Development (NA-22)

Grant/Contract Number:: AC09-08SR22470; SC0012704

OSTI ID:: 1476281

Alternate ID(s):: OSTI ID: 1574670
OSTI ID: 1476963

Report Number(s):: BNL--209126-2018-JAAM; SRNL-STI--2017-00241

Journal Information:: AIP Advances, Journal Name: AIP Advances Journal Issue: 10 Vol. 8; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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