DOI: 10.1116/1.577057. Simulation of scanning tunneling microscope image based on electronic states of surface/tip system

Simulation of scanning tunneling microscope image based on electronic states of surface/tip system

10.1116/1.577057

Crossref journal-article

American Vacuum Society

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films (20)

Abstract

Scanning tunneling microscope images of graphite are calculated taking into account microscopic electronic structure of tip. As a model tip with [111] protrusion, a W10 cluster is used. Electronic states of surface and tip are calculated non-empirically and are combined to obtain the tunnel current. When all the tip levels contribute to tunneling, normal images of graphite are obtained, which change from triangular to honeycomb lattice by increasing the bias. In the case that special tip levels are active in tunneling, anomalous images such as linear-chain type are obtained. It is shown that anomalous images are not necessarily multitip effect. By varying the applied bias, conductance spectrum is also calculated and is compared with experimental one.

Bibliography

Kobayashi, K., & Tsukada, M. (1990). Simulation of scanning tunneling microscope image based on electronic states of surface/tip system. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 8(1), 170â173.

Authors 2

Katsuyoshi Kobayashi (first)
Masaru Tsukada (additional)

References 0 Referenced 33

None

Dates

Type	When
Created	23 years, 1 month ago (July 27, 2002, 5:20 a.m.)
Deposited	2 years, 1 month ago (July 26, 2023, 11:21 p.m.)
Indexed	2 years ago (Aug. 31, 2023, 4:23 p.m.)
Issued	35 years, 8 months ago (Jan. 1, 1990)
Published	35 years, 8 months ago (Jan. 1, 1990)
Published Print	35 years, 8 months ago (Jan. 1, 1990)

Funders 0

None

BibTeX

@article{Kobayashi_1990, title={Simulation of scanning tunneling microscope image based on electronic states of surface/tip system}, volume={8}, ISSN={1520-8559}, url={http://dx.doi.org/10.1116/1.577057}, DOI={10.1116/1.577057}, number={1}, journal={Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films}, publisher={American Vacuum Society}, author={Kobayashi, Katsuyoshi and Tsukada, Masaru}, year={1990}, month=jan, pages={170–173} }

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