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Semiconductor Detectors Fabricated from TlBr Crystals

Published online by Cambridge University Press:  13 July 2011

Keitaro Hitomi ,
Tsutomu Tada ,
Seong-Yun Kim ,
Yan Wu ,
Hiromichi Yamazaki ,
Tadayoshi Shoji  and
Keizo Ishii
Keitaro Hitomi
Affiliation:
Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
Tsutomu Tada
Affiliation:
Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
Seong-Yun Kim
Affiliation:
Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
Yan Wu
Affiliation:
Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
Hiromichi Yamazaki
Affiliation:
Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
Tadayoshi Shoji
Affiliation:
Department of Electronics and Intelligent Systems, Tohoku Institute of Technology, Sendai 982-8577, Japan
Keizo Ishii
Affiliation:
Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
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Abstract

Frisch collar detectors were fabricated from TlBr crystals with the dimensions of 2 mm × 2 mm × 4.4 mm. Spectroscopic performance of the TlBr Frisch collar detectors was evaluated at room temperature. An energy resolution of 2.9% FWHM at 662 keV was obtained from the detector without the depth correction. The detector exhibited stable spectral performance for 12 hours. Direct measurements of electron mobility-lifetime products were performed with the detectors. The TlBr crystals exhibited the electron mobility-lifetime products of ∼10−3 cm2/V at room temperature.

Keywords

crystal growthzone meltingsensor
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1341: Symposium U – Nuclear Radiation Detection Materials , 2011 , mrss11-1341-u10-03
Copyright
Copyright © Materials Research Society 2011

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References

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