Structural and Electronic Properties of Cobalt Germanide Islands on Ge(100)
JOURNAL OF PHYSICAL CHEMISTRY C(2010)
摘要
The structure and electronic properties of cobalt germanide islands were studied by scanning tunneling microscopy (STM). We found that cobalt-rich surfaces (C-surface) and germanium-rich surfaces (G-surface) coexisted in the islands. Scanning tunneling spectroscopy (STS) confirmed that both surfaces displayed metallic characteristics. Structural models are suggested based on the bias-dependent STM images.
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