Published January 15, 2012
| Version v1
Journal article
Preferential surface oxidation of Gd in Gd5Ge4
- 1. Department of Chemistry, Iowa State University, Ames, IA 50011 (United States)
- 2. Ames Laboratory, Iowa State University, Ames, IA 50011 (United States)
- 3. Department of Material Science and Engineering, Iowa State University, Ames, IA 50011 (United States)
Description
Gd oxidizes preferentially at the (0 1 0) surface of Gd5Ge4. This is consistent with thermodynamic data for the bulk oxides. Upon oxidation in vacuum, the gadolinium oxide displaces or covers the Ge. Oxidation is more extensive at 600 K than at 300 K, because more oxygen is incorporated into the surface and the shift of the Gd binding energy is larger.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.apsusc.2011.10.127Additional details
Identifiers
- DOI
- 10.1016/j.apsusc.2011.10.127;
- PII
- S0169-4332(11)01709-0;
Publishing Information
- Journal Title
- Applied Surface Science
- Journal Volume
- 258
- Journal Issue
- 7
- Journal Page Range
- p. 2757-2760
- ISSN
- 0169-4332
- CODEN
- ASUSEE
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 44031157
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- BINARY ALLOY SYSTEMS; BINDING ENERGY; GADOLINIUM; GADOLINIUM COMPOUNDS; GADOLINIUM OXIDES; GERMANIUM COMPOUNDS; OXIDATION; OXYGEN; SURFACES; TEMPERATURE RANGE 0273-0400 K; TEMPERATURE RANGE 0400-1000 K; X-RAY PHOTOELECTRON SPECTROSCOPY
- Descriptors DEC
- ALLOY SYSTEMS; CHALCOGENIDES; CHEMICAL REACTIONS; ELECTRON SPECTROSCOPY; ELEMENTS; ENERGY; GADOLINIUM COMPOUNDS; METALS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; PHOTOELECTRON SPECTROSCOPY; RARE EARTH COMPOUNDS; RARE EARTHS; SPECTROSCOPY; TEMPERATURE RANGE
Optional Information
- Copyright
- Copyright (c) 2011 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.