Photoemission of the K/W(100) system in the O2 atmosphere

Simultaneous adsorption of potassium and oxygen on W(100) is studied using the threshold photoemission spectroscopy. A metal potassium film is formed on W(100) in the course of coadsorption of potassium and oxygen at the first stage. At the second stage, the film is transformed into a dielectric lay...

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Veröffentlicht in:	Technical physics 2017-07, Vol.62 (7), p.1104-1111
Hauptverfasser:	Knat’ko, M. V., Lapushkin, M. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Classical and Continuum Physics Dielectrics Photoelectric emission Photoelectron spectroscopy Physical Electronics Physics Physics and Astronomy Potassium Spectroscopic analysis Stoichiometry
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Beschreibung
Zusammenfassung:	Simultaneous adsorption of potassium and oxygen on W(100) is studied using the threshold photoemission spectroscopy. A metal potassium film is formed on W(100) in the course of coadsorption of potassium and oxygen at the first stage. At the second stage, the film is transformed into a dielectric layer with the K 2 O 2 stoichiometry.
ISSN:	1063-7842 1090-6525
DOI:	10.1134/S1063784217070064