Scanning Tunneling Microscopy Barrier-Height Imaging of Shockley Dislocations on a Au(111) Reconstructed Surface

Autor:	Yukio Hasegawa, Akira Sakai, Yasuharu Yamashita, Shu Kurokawa
Rok vydání:	2001
Předmět:	Surface (mathematics) Materials science Shockley dislocations Condensed matter physics General Engineering General Physics and Astronomy barrier height law.invention Core (optical fiber) Dipole law scanning tunneling microscopy Au(111) Scanning tunneling microscope Dislocation
Zdroj:	Japanese Journal of Applied Physics. 40:4277
ISSN:	1347-4065 0021-4922
Popis:	We have carried out a scanning tunneling microscopy barrier-height (STM-BH) imaging of a reconstructed Au(111) surface and found that the BH locally decreases on herringbone reconstruction ridges, or Shockley dislocations. The observed lowering of the BH can be explained by the formation of an electric dipole at a dislocation core, which was theoretically predicted by Cottrell et al.. (Philos. Mag. 44 (1953) 1064) in their theory on the electric interaction between solutes and dislocations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a91312d6e55a5c7e836c42f328b626e7 https://doi.org/10.1143/jjap.40.4277 Zobrazit plný text záznamu