Well-Ordered In Adatoms at the Surface Created by Fe Deposition
Journal Article
·
· Physical Review Letters
- Technical Univ. of Wien, Vienna (Austria). Inst. of Applied Physics
- Friedrich Alexander Univ, Erlangen (Germany). Interdisciplinary Center for Molecular Materials and Computer-Chemistry-Center
- Lund Univ. (Sweden). MAX IV Lab.
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
Metal deposition on oxide surfaces usually results in adatoms, clusters, or islands of the deposited material, where defects in the surface often act as nucleation centers. An alternate configuration is reported. Afterwards the vapor deposition of Fe on the In2O3(111) surface at room temperature, ordered adatoms are observed with scanning tunneling microscopy (STM). These are identical to the In adatoms that form when the sample is reduced by heating in ultrahigh vacuum. Our density functional theory (DFT) calculations confirm that Fe interchanges with In in the topmost layer, pushing the excess In atoms to the surface where they arrange as a well-ordered adatom array.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1337023
- Alternate ID(s):
- OSTI ID: 1331838
- Journal Information:
- Physical Review Letters, Vol. 117, Issue 20; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 8 works
Citation information provided by
Web of Science
Web of Science
Surface point defects on bulk oxides: atomically-resolved scanning probe microscopy
|
journal | January 2017 |
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