期刊
PHYSICAL REVIEW LETTERS
卷 90, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.90.236801
关键词
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The electronic structure of thin Co nanoislands on Cu(111) has been investigated below and above the Fermi level (E-F) by scanning tunneling spectroscopy at low temperature. Two surface related electronic states are found: a strong localized peak 0.31 eV below E-F and a mainly unoccupied dispersive state, giving rise to quantum interference patterns of standing electron waves on the Co surface. Ab initio calculations reveal that the electronic states are spin polarized, originating from d(3z2-r2)-minority and sp-majority bands, respectively.
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