期刊
EUROPHYSICS LETTERS
卷 59, 期 4, 页码 592-598出版社
EDP SCIENCES S A
DOI: 10.1209/epl/i2002-00145-8
关键词
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The surface electronic structure of band ferromagnets in the vicinity of the Fermi level is strongly influenced by the magnetic d bands. A comparative study of the closed-packed surfaces of Ni, Co, and Fe shows that surface resonances dominate over surface states with increasing d-band influence. Our theoretical analysis distinguishes between surface states and resonances thereby providing a systematics of surface-related spectral features at ferromagnets. This solves the long-standing surface-state puzzle in the literature of sometimes contradicting (inverse) photoemission results.
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