@inproceedings{d9ff5c9c2c6249409d70bbb3ec8ed28b,
title = "Correlations of secondary phases (SPs) with mobility lifetime (μτe) of the electrons in CZT crystals using IR microscopy",
abstract = "Cadmium Zinc Telluride (CdZnTe/CZT) crystals were grown using a modified vertical Bridgman growth technique with 10 % Zn concentration at Washington State University (WSU). Analyses of the effects of volume (vol.) %, number density (cm-3), mean diameter (μm) of secondary phases (SPs) and thickness (mm) of the CZT crystals on single crystal properties such as carrier mobility lifetime (μτe) and resistivity (ρ) were performed. Some correlations were observed between μτe values of different CZT crystals and vol. %, number density, mean diameter of SPs and thickness of the crystals. High μτe and lower SP vol. % values were obtained for the ingots grown with rapid cool down times and with no intentional amounts of excess Te/Cd. For the selected samples, the effects of the SPs on the μτe values were established for the SPs whose mean diameters were ≤4 μm and >4 μm. These studies indicate vol. % and mean diameter of SPs are the important parameters for CZT crystal performance as a radiation detector.",
keywords = "CZT, IR microscope, Secondary phase, μτ",
author = "Sachin Bhaladhare and Munge, {W. Gitau} and Santosh Swain and Amlan Datta and Havrilak, {Cody James} and Raji Soundararajan and Kelly Jones and Duff, {Martine C.} and Lynn, {K. G.}",
year = "2011",
doi = "10.1117/12.894643",
language = "English",
isbn = "9780819487520",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
booktitle = "Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII",
note = "Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII ; Conference date: 22-08-2011 Through 24-08-2011",
}