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Author McIlroy, D. N. ♦ Waldfried, C. ♦ Li, D. ♦ Pearson, J. ♦ Bader, S. D. ♦ Huang, D. ♦ Johnson, P. D. ♦ Sabirianov, R. F. ♦ Jaswal, S. S. ♦ Dowben, P. A.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword MATERIALS SCIENCE ♦ GADOLINIUM ♦ MAGNETIZATION ♦ OXYGEN ♦ ADSORPTION ♦ SELF-CONSISTENT FIELD ♦ SURFACES ♦ PHOTOEMISSION ♦ ENERGY-LEVEL DENSITY ♦ ELECTRONIC STRUCTURE ♦ SURFACE STATES
Abstract The effects of oxygen adsorption on the surface magnetization of Gd(0001) have been determined by measuring the polarization of the Gd 4{ital f} core levels and the oxygen induced states with spin-resolved photoemission. Calculations of the partial density of states of O/Gd(0001) using the LMTO-ASA method support the photoemission measurements which indicate that oxidation occurs at low coverages. The loss of surface magnetic order with oxygen exposure is explained in terms of decreasing indirect coupling. {copyright} {ital 1996 The American Physical Society.}
ISSN 00319007
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-04-01
Publisher Department Brookhaven National Lab. (BNL), Upton, NY (United States)
Publisher Place United States
Journal Physical Review Letters
Volume Number 76
Issue Number 15
Organization Brookhaven National Lab. (BNL), Upton, NY (United States)


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