Formation of strontium atomic chains on the singular and stepped Si(111) surfaces

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abstract

The results of the investigation of the surface of strontium titanate single crystals after treatment with high-energy plasma are presented. The surface morphology of the strontium titanate single crystals and the change in its characteristics after plasma treatment have been studied using electron scanning and atomicforce microscopy. A change in the electronic state of a part of the titanium ions and a change in the stoichiometry in the modified near-surface layer have been found by the method of valence shift of X-ray lines. A preliminary analysis has been made of the conditions providing the formation of single- and two-level systems of ordered crystallites with sizes of 10(-7)-10(-10) m on the surface of single-crystal strontium titanate with impurities of ions of the iron and lanthanum groups.

keywords

SCANNING TUNNELING MICROSCOPE; SI(557) SURFACE; SI(7710) SURFACE; INITIAL-STAGES; NANOWIRES; NANODOTS; GROWTH

subject category

Physics

authors

Zhachuk, RA; Teys, SA; Olshanetsky, BZ

Groups

acknowledgements

This study was supported by the Russian Foundation for Basic Research (project nos. 10-02-00199 and 08-02-01101) and the Foreign Comparison Testing Program of Portugal (no. SFRH/BPD/38291/2007).

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Publication Details

type
Journal Article
year
2010
journal
PHYSICS OF THE SOLID STATE
volume
52
publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
issn
1063-7834
issue
12
digital object identifier
10.1134/S106378341012022X
web of science article identifier
WOS:000285365500022

Journal Metrics (JCR 2019)

Journal Impact Factor
0.931
Journal Impact Factor (5 yrs)
0.867
category normalized journal percentile
15.217

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