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1993 (English)In: Solid State Communications, ISSN 0038-1098, E-ISSN 1879-2766, Vol. 85, no 7, 657-660 p.Article in journal (Refereed) Published
Abstract [en]

Adsorption of Na on single crystals of NiO(1 0 0) at room temperature has been investigated via angle-resolved photoemission spectroscopy and measurements of work-function changes. The drastic changes in the valence band spectra upon Na deposition are assigned to a chemical reaction between Na and O where metallic Ni is left as by-product. At short deposition times, Na mainly acts as an inert electron donor, and at these coverages no dispersion is observed in the angle-resolved photoemission spectra which indicates that the electronic states are localized. The measurements were performed both for a polished and an in-situ cleaved NiO crystal.

Place, publisher, year, edition, pages
1993. Vol. 85, no 7, 657-660 p.
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Natural Sciences
URN: urn:nbn:se:kth:diva-84642DOI: 10.1016/0038-1098(93)90328-KISI: A1993KN76800023OAI: diva2:499453
NR 20140805Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-02-13Bibliographically approved

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