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J Radiat Prot > Volume 16(2); 1991 > Article
Journal of Radiation Protection 1991;16(2):1-0.
감마선 검출용 $HgI_2$ 소자 제작 및 특성 평가
최명진;이홍규;강영일;임호진;최승기;
Fabrication and Test of a $HgI_2$ Gamma Ray Detector
Choi, Myung-Jin;Lee, Hong-Kyu;Kang, Young-Il;Lim, Ho-Jin;Choi, Seung-Ki;
ABSTRACT
The $HgI_2$ single crystal which can be used for the ${gamma}-ray$ detector at room temperature was grown by Temperature Oscillation Method. The low temperature photoluminescence, specific resistivity and trap concentration of $HgI_2$ single crystal were investigated. Three main luminescence bands were observed at 2.30eV, 2.20eV and 2.00eV at 20K, related to the excitons, I-vacancies and impurities, respectively. The specific resistivity and trap concentration of $HgI_2$ single crystal were $10^{11}{Omega};cm;and;1.8{times}10^{14}/cm^3$ at room temperature, respectively. Also the radiation detecting system was deviced by $HgI_2$ ${gamma}-ray$ detector, one chip microprocessor, LCD module and personal computer. The prepared $HgI_2$ ${gamma}-ray$ detector showed a good linearity of ${gamma}-radiation$ dose for standard ${gamma}-ray$.
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Chemical protection against X- and $\gamma$-radiation  1980 ;5(1)
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