Field emission study of metal–oxide–metal systems

Metal–oxide–metal (MOM) systems serving as models of supported metal catalysts, can also be used advantageously as stable field emission cathodes, provided that the external metallic layer, such as Au, is chemically “inert”. The mechanism of the field emission from MOM and MM (metal-on-metal) cathod...

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Bibliographic Details
Published inApplied surface science Vol. 171; no. 1; pp. 157 - 174
Main Authors Plšek, J., Knor, Z.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.02.2001
Elsevier Science
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron and ion emission by liquids and solids; impact phenomena
Electron point sources
Exact sciences and technology
Field emission
Field emission, ionization, evaporation, and desorption
Heterogeneous catalysis
MOM systems
Physics
Resonance-enhanced tunneling
Supported metals
Heterogeneous catalysis
07.77.K
Electron point sources
79.70
73.40.G
Field emission
Resonance-enhanced tunneling
Supported metals
82.65.J
MOM systems
Gold
Catalytic reaction
Tungsten
Electron transfer
Tungsten oxides
Experimental study
Energy transfer
Aluminium oxides
Cathodes
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Summary:Metal–oxide–metal (MOM) systems serving as models of supported metal catalysts, can also be used advantageously as stable field emission cathodes, provided that the external metallic layer, such as Au, is chemically “inert”. The mechanism of the field emission from MOM and MM (metal-on-metal) cathodes was experimentally investigated. Results of these studies were compared and advantages of MOM systems demonstrated. The application of MOM systems to investigations of the dynamics of electron and energy transfer in catalytic reactions is proposed.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0169-4332
1873-5584
DOI:10.1016/S0169-4332(00)00707-8