典型文献
Enhancement in optical absorption of CsI(Na)
文献摘要：
Discussions pertaining to enhancement in the luminous efficiency of cesium iodide(CsI)detectors doped with sodium(Na)abound.In this study,the defect structure of one Cs atom replaced by one Na atom is calculated using the ab initio method.Subsequently,the electronic band structures,densities of states,optical absorption spectra,phonons,and transport properties of CsI in perfect and defective structures are investigated.The absorption spec-tra of CsI with and without Na impurities are compared.It is discovered that the impurity levels in the forbidden band are generated from the shell electron distributions of the impurity atoms,not from lattice distortions.Furthermore,it is discovered that the optical absorption can be enhanced by doping CsI with Na.
文献关键词：
中图分类号：
作者姓名：
Wei Cheng;Pei-Sheng Liu;Min-Ju Ying;Feng-Shou Zhang
作者机构：
Key Laboratory of Beam Technology of Ministry of Education,College of Nuclear Science and Technology,Beijing Normal University,Beijing 100875,China;Institute of Radiation Technology,Beijing Academy of Science and Technology,Beijing 100875,China;National Laboratory of Heavy Ion Accelerator of Lanzhou,Center of Theoretical Nuclear Physics,Lanzhou 730000,China
文献出处：
引用格式：
[1]Wei Cheng;Pei-Sheng Liu;Min-Ju Ying;Feng-Shou Zhang-.Enhancement in optical absorption of CsI(Na))[J].核技术（英文版）,2022(03):53-61
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0.573844
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