光谱学与光谱分析 |
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Energy Response of Tb3+-Doped Silicate Scintillating Glass to Hard X-Ray |
GAO Qing-chun,GU Mu*,HUANG Shi-ming*,LIU Bo,NI Chen,LIU Xiao-lin |
Shanghai Key Laboratory of Special Artificial Microstructure Materials & Technology, Department of Physics, Tongji University, Shanghai 200092, China |
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Abstract Tb3+-doped silicate scintillating glass was made by high temperature melt-quenching method and the energy response to hard X-ray (from 5 to 80 keV) was measured. The response of photocurrent of silicate scintillating glass to X-ray (with various energy) is nonlinear. It was noted that the change in nonlinearity around 8 and 50 keV is obvious. This phenomenon is concerned with the production of abundant electrons when the scintillating glass absorbed X-ray and the energy response of scintillating glass to electrons.
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Received: 2010-09-16
Accepted: 2010-12-15
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Corresponding Authors:
GU Mu,HUANG Shi-ming
E-mail: mgu@mail.tongji.edu.cn; smhuang2008@yahoo.com.cn
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