Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3262949
Keywords
cobalt; copper; electronic structure; Fermi level; ferromagnetic materials; island structure; scanning tunnelling microscopy; tunnelling
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Funding
- Deutsche Forschungsgemeinschaft [SFB 668.]
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The electronic structure of individual Co islands on Cu(111) was investigated by a cryogenic scanning tunneling microscope. An irreversible shift of the occupied Co d band toward the Fermi level was induced by elevated tunneling currents and voltages. Heating of the Co-Cu interface most likely induces local alloying and a concomitant modification of the island electronic structure.
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