Oxygen induced suppression of the surface magnetization of Gd(0001)

D. N. McIlroy, C. Waldfried, Dongqi Li, J. Pearson, S. D. Bader, D. J. Huang, P. D. Johnson, R. F. Sabiryanov, S. S. Jaswal, P. A. Dowben

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Abstract

The effects of oxygen adsorption on the surface magnetization of Gd(0001) have been determined by measuring the polarization of the Gd 4 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.

Original languageEnglish (US)
Pages (from-to)2802-2805
Number of pages4
JournalPhysical Review Letters
Volume76
Issue number15
DOIs
StatePublished - Apr 8 1996

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    McIlroy, D. N., Waldfried, C., Li, D., Pearson, J., Bader, S. D., Huang, D. J., Johnson, P. D., Sabiryanov, R. F., Jaswal, S. S., & Dowben, P. A. (1996). Oxygen induced suppression of the surface magnetization of Gd(0001). Physical Review Letters, 76(15), 2802-2805. https://doi.org/10.1103/PhysRevLett.76.2802