Charge-transport properties of as-grown Cd_{1-x}Zn_{x}Te_{1-y}Se_{y} by the traveling heater method

U. N. Roy; G. S. Camarda; Y. Cui; R. Gul; G. Yang; R. B. James

doi:10.1063/1.5064373

journal article·2018-12Open access

Charge-transport properties of as-grown Cd_1-xZn_xTe_1-ySe_y by the traveling heater method

U. N. Roy, G. S. Camarda, Y. Cui, R. Gul, G. Yang, R. B. James

AIP Advances· Volume 8· Issue 12

Publisher page Open full text

Source abstract

Abstract

In this article, we report on the charge-transport characteristics of a new quaternary material Cd1-xZnxTe1-ySey (CZTS) grown by the Traveling Heater Method (THM). The as-grown CZTS material was found to possess fewer Te inclusions than CZT†. Moreover, high resistivity of ∼1-2x1010 ohm-cm was achieved, meeting the requirements of most gamma-ray detector applications. The mobility-lifetime product for electrons [(μτ)e] was measured to be ∼4x10-3 cm2/V. The energy resolution for the quasi-hemispherical detector fabricated from the as-grown CZTS ingot obtained was ∼2.8% (FWHM) at 662 keV.

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Research context

OpenAlex topics: Advanced Semiconductor Detectors and Materials · Radiation Detection and Scintillator Technologies · Advanced X-ray and CT Imaging

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Affiliations

Brookhaven National Laboratory, Upton, New York 11973, USA

Funding

Office of Defense Nuclear Nonproliferation

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