Scanning tunneling microscopy of charge transfer on the Si(111)7 × 7 surface

D. Jeon; T. Hashizume; T. Sakurai

doi:10.1016/0169-4332(95)00415-7

Scanning tunneling microscopy of charge transfer on the Si(111)7 × 7 surface

D. Jeon, T. Hashizume, T. Sakurai

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The sodium-adsorbed Si(111)7 × 7 surface has been imaged using a scanning tunneling microscope. Center adatoms initially reacted with sodium atoms and appeared dark in the filled state image. When the sodium coverage reached about 0.04 monolayer, the empty state image showed bright maxima at the rest atom sites. We suggest that this image is due to the charge transfer from the rest atom to the adatom induced by sodium adsorbates.

Original language	English
Pages (from-to)	493-496
Number of pages	4
Journal	Applied Surface Science
Volume	94-95
DOIs	https://doi.org/10.1016/0169-4332(95)00415-7
Publication status	Published - 1996 Mar

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Physics and Astronomy(all)
Surfaces and Interfaces
Surfaces, Coatings and Films

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title = "Scanning tunneling microscopy of charge transfer on the Si(111)7 × 7 surface",

abstract = "The sodium-adsorbed Si(111)7 × 7 surface has been imaged using a scanning tunneling microscope. Center adatoms initially reacted with sodium atoms and appeared dark in the filled state image. When the sodium coverage reached about 0.04 monolayer, the empty state image showed bright maxima at the rest atom sites. We suggest that this image is due to the charge transfer from the rest atom to the adatom induced by sodium adsorbates.",

author = "D. Jeon and T. Hashizume and T. Sakurai",

year = "1996",

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AB - The sodium-adsorbed Si(111)7 × 7 surface has been imaged using a scanning tunneling microscope. Center adatoms initially reacted with sodium atoms and appeared dark in the filled state image. When the sodium coverage reached about 0.04 monolayer, the empty state image showed bright maxima at the rest atom sites. We suggest that this image is due to the charge transfer from the rest atom to the adatom induced by sodium adsorbates.

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