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Scanning tunneling spectroscopy of d states from a transition metal surface: theoretical study

โœ Scribed by L. Jurczyszyn; B. Stankiewicz

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
281 KB
Volume
54
Category
Article
ISSN
0042-207X

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โœฆ Synopsis

We present a theoretical study of the influence of localized d states from a transition metal surface on the tunneling spectra obtained by scanning tunneling spectroscopy (STS). This problem is considered here for the system formed by a Ni(0 0 1) surface and an Al or Ni tip. It is found, that the d band of a Ni(0 0 1) substrate could considerably modify the STS tunneling spectra, but only for very small (around 2.5 A s ) tip-sample distances. The obtained results also show that the d band features in STS spectra depend strongly on the properties of the STM tip.

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