北京大学无线电电子学系
纸质出版:1987
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[1]张旭,薛增泉,吴全德.多碱阴极多晶导电特性的研究[J].电子学报,1987(04):56-61.
Chang Xu, Xue Zheng-quan, Wu Quan-de. Electrical Properties ol Polycrystalline Films of Multialkali Photocathodes[J]. Acta Electronica Sinica, 1987, (4): 56-61.
本文讨论了多碱阴极多晶膜的晶粒间界结构
建立了多碱阴极的导电模型
导出了电导率表达式。理论计算的Inσ-1/T曲线与实验结果符合得较好
基本上解释了多碱阴极Inσ-1/T曲线由三折线或二折线构成这一实验现象。并在实验上证实了三折线转化为二折线的设想。
The grain boundary structure of polycrystalline films of multialkli photocathodes is discussed.The conduction model of muhialkali photocathodes is proposed and the conductivity expression is derived.The theoretical curves of lnσ-l/T show good agreement with the experimental results.The experimental phenomenon on that the curves of lnσ-l/T of multial-kali photocathodes are composed of two or three straight lines is explained
and the idea that the three straight lines may transform into two straight lines is proved in experiment.
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