Adsorption energy of Cs and K on refractory carbides
Journal Article
·
· Sov. Phys. - Tech. Phys. (Engl. Transl.); (United States)
OSTI ID:7356925
The emission-adsorption characteristics of TiC, ZrC, HfC, NbC, and TaC in cesium and potassium vapor are studied by thermionic emission, contact potential difference, and surface ionization. The adsorption energy of alkali metals on metal-like refractory carbides is governed by both the work function of the adsorbent and the main quantum number of the valence electrons of the adatom. The results are discussed on the basis of a model of configurational interactions, with intraatomic correlations at the adatom taken into account. (AIP)
- Research Organization:
- Institute of Problems of Materials Science, Academy of Sciences of the Ukrainian SSR, Kiev
- OSTI ID:
- 7356925
- Journal Information:
- Sov. Phys. - Tech. Phys. (Engl. Transl.); (United States), Journal Name: Sov. Phys. - Tech. Phys. (Engl. Transl.); (United States) Vol. 21:2; ISSN SPTPA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ADSORPTION
ALKALI METALS
CARBIDES
CARBON COMPOUNDS
CESIUM
ELEMENTS
EMISSION
HAFNIUM CARBIDES
HAFNIUM COMPOUNDS
METALS
NIOBIUM CARBIDES
NIOBIUM COMPOUNDS
POTASSIUM
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TANTALUM CARBIDES
TANTALUM COMPOUNDS
THERMIONIC EMISSION
TITANIUM CARBIDES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
WORK FUNCTIONS
ZIRCONIUM CARBIDES
ZIRCONIUM COMPOUNDS
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ADSORPTION
ALKALI METALS
CARBIDES
CARBON COMPOUNDS
CESIUM
ELEMENTS
EMISSION
HAFNIUM CARBIDES
HAFNIUM COMPOUNDS
METALS
NIOBIUM CARBIDES
NIOBIUM COMPOUNDS
POTASSIUM
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TANTALUM CARBIDES
TANTALUM COMPOUNDS
THERMIONIC EMISSION
TITANIUM CARBIDES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
WORK FUNCTIONS
ZIRCONIUM CARBIDES
ZIRCONIUM COMPOUNDS