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231224s2014 xx ||||| 00| ||eng c |
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|a pubmed25n0791.xml
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|a (DE-627)NLM237519968
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|a (NLM)24748691
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|e rakwb
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|a eng
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|a Gerhold, Stefan
|e verfasserin
|4 aut
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| 245 |
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|a Stoichiometry-driven switching between surface reconstructions on SrTiO3(001)
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Revised 10.11.2023
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Controlling the surface structure on the atomic scale is a major difficulty for most transition metal oxides; this is especially true for the ternary perovskites. The influence of surface stoichiometry on the atomic structure of the SrTiO3(001) surface was examined with scanning tunneling microscopy, low-energy electron diffraction, low-energy He+ ion scattering (LEIS), and X-ray photoelectron spectroscopy (XPS). Vapor deposition of 0.8 monolayer (ML) strontium and 0.3 ML titanium, with subsequent annealing to 850 °C in 4 × 10- 6 mbar O2, reversibly switches the surface between c(4 × 2) and (2 × 2) reconstructions, respectively. The combination of LEIS and XPS shows a different stoichiometry that is confined to the top layer. Geometric models for these reconstructions need to take into account these different surface compositions
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|a Journal Article
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|a Low energy electron diffraction
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|a Low energy ion scattering
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|a Scanning tunneling microscopy
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| 650 |
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|a Strontium titanate
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| 650 |
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|a Surface stoichiometry
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| 650 |
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|a X-ray photoelectron spectroscopy
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| 700 |
1 |
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|a Wang, Zhiming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schmid, Michael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Diebold, Ulrike
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Surface science
|d 1997
|g 621(2014), 100 vom: 16. März, Seite L1-L4
|w (DE-627)NLM098126490
|x 0039-6028
|7 nnns
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| 773 |
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|g volume:621
|g year:2014
|g number:100
|g day:16
|g month:03
|g pages:L1-L4
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|d 621
|j 2014
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|h L1-L4
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