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Internal Electric Field Estimation, Charge Transport and Detector Performance of As-Grown {\rm Cd}_{0.9}{\rm Zn}_{0.1}{\rm Te:In} by THM

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6 Author(s)
Roy, U.N. ; ICx Radiat., Oak Ridge, TN, USA ; Weiler, S. ; Stein, Juergen ; Groza, M.
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In this article we report the evaluation of thick (up to 10 mm) as-grown Cd0.9Zn0.1Te(CZT):In detectors fabricated from ingots grown by traveling heater method (THM). The crystals were investigated by mapping the electron mobility (μe), (μτ)e and the internal electric field of as-grown CZT samples. The detector performance was also evaluated in co-planar grid geometry. The excellent (μτ)e value and the detector performance of 10 mm thick as-grown detectors is the indication that the THM technique can be employed successfully to fabricate the detectors directly from the as-grown boule at substantially lower cost.

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Nuclear Science, IEEE Transactions on  (Volume:58 ,  Issue: 4 )