Surface structure of epitaxial Gd(0001) films on W(110) studied by quantitative LEED analysis
Journal Article
·
· Physical Review, B: Condensed Matter
- Department of Physics and Institute for Surface and Interface Science, University of California, Irvine, California 92717 (United States)
- Department of Physics and Laboratory for Surface Studies, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53201 (United States)
- IBM Research Division, Almaden Research Center, San Jose, California 95120 (United States)
The surface structure of thick (400 A) Gd(0001) films, epitaxially grown on W(110), is investigated by low-energy electron-diffraction (LEED) {ital IV} measurements in combination with dynamical LEED calculations. A first-layer contraction of 2.4% and a second-layer spacing expansion of 1% is found. These findings are in good agreement with literature values determined for the (0001) surface of bulk Gd crystals. No significant difference in the LEED {ital IV} data is found between films grown at room temperature and films grown at elevated temperatures.
- DOE Contract Number:
- FG02-84ER45076
- OSTI ID:
- 44601
- Journal Information:
- Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 15 Vol. 51; ISSN PRBMDO; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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