PHOTOEMISSION ENHANCEMENT OF Ag-BaO THIN FILMS WITH INTERNAL FIELD-ASSISTED STRUCTURE
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Published:2000
Issue:11
Volume:49
Page:2191
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ISSN:1000-3290
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Container-title:Acta Physica Sinica
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language:
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Short-container-title:Acta Phys. Sin.
Author:
ZHANG QI-FENG ,WU JIN-LEI ,
Abstract
The Ag-BaO photocathode with internal field-assisted structure was successfully fabricated through depositing silver electrode on the surface of Ag-BaO thin film. Photoemission enhancement was observed when the internal field-assisted bias was applied to the Ag-BaO thin film. Theoretical analysis shows that enhanced photoemission can be attributed to the decrease of interfacial barrier between Ag particles and BaO matrix, and the degradation of vacuum level at the surface.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
Cited by
2 articles.
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