金属和涂层材料的场增强光发射

2005 International Vacuum Nanoelectronics Conference Pub Date : 2006-03-27 DOI:10.1116/1.2183780

K. Jensen, D. Feldman, N. Moody, J. Shaw, J. Yater, P. O'Shea

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引用次数: 10

摘要

对光电阴极性能进行建模，以解释影响电子传输的问题。讨论了激光参数、温度和应用场对亚单层低功包覆表面光发射的场效应、热效应和表面效应的理论模型。提出了激光加热、热传播和光发射的时间依赖模型，以及场、热和光发射贡献的相对重要性。

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Field-enhanced photoemission from metals and coated materials

Photocathode performance is modelled to account for issues that affect electron transport. Theoretical models of field, thermal, and surface effects on photoemission from sub-monolayer low work function coated surfaces as a function of laser parameters, temperature, and applied field are discussed. A time-dependent model of laser heating, thermal propagation, and photoemission and the relative importance of field, thermal, and photoemission contribution are presented.

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2005 International Vacuum Nanoelectronics Conference

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