journal article·2015Open access

Recent Progress in Research on CsI Thin Film Photocathodes

FAN Long, LI Yu-Kun, CHEN Tao, LI Jin, YANG Zhi-Wen, YUAN Zheng, DENG Bo, CAO Zhu-Rong, HU Xin

Journal of Inorganic Materials· Volume 30· Issue 3

Abstract

Caesium iodide (CsI) thin films have attracted much attention due to good electron transport and emission properties in the soft X-ray and extreme ultraviolet range. With the rapid development of nuclear physics, high energy physics and astrophysics, the requirements for CsI film photocathodes become increasingly severe, and it is therefore of considerable interest to develop CsI photocathodes with high quantum efficiency (QE) and stable performance.
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Research context

OpenAlex topics: Gyrotron and Vacuum Electronics Research · Photocathodes and Microchannel Plates · Semiconductor materials and devices

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