期刊
2021 34TH INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC)
卷 -, 期 -, 页码 44-45出版社
IEEE
关键词
electron sources; electron guns; cold field emission; transmission electron microscopy; Fowler-Nordheim plot
资金
- Gottfried Wilhelm Leibniz prize
In this study, the wavelength-dependent linear photoemission from W(310)-nanotips operated in a Schottky-type emitter assembly was investigated. Fowler-Nordheim plots of the electron current were recorded for both static field emission and photoemission with varying laser wavelengths. One-photon photoassisted field emission was observed for all wavelengths, as demonstrated by the perfect agreement of the experimental data with Fowler-Nordheim tunneling theory.
In this study, we investigate the wavelength-dependent linear photoemission from W(310)-nanotips operated in a Schottky-type emitter assembly. Fowler-Nordheim plots of the electron current are recorded for both static field emission and photoemission with a varying laser wavelength. For all wavelengths, one-photon photoassisted field emission is observed, as demonstrated by the perfect agreement of the experimental data with Fowler-Nordheim tunneling theory.
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