Surface relaxation of Rh[l brace]001[r brace]
- Department of Materials Science and Engineering, State University of New York, Stony Brook, New York 11794-2275 (United States)
- IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598 (United States)
The relaxation of a clean Rh[l brace]001[r brace] surface is reexamined by means of analyses of three sets of low-energy electron diffraction (LEED) intensities collected in earlier experiments. The averaged results show that the first interlayer spacing is slightly contracted by (1.2[plus minus]1.6 %) with respect to the bulk spacing (1.902 A) and that the second interlayer spacing is unrelaxed. These results are only a little different from those found by other authors in two previous LEED studies, and they lie in the range of the combined experimental errors of all the analyses. However, our results are in quite good agreement with a recent [ital ab] [ital initio] pseudopotential calculation of Morrison, Bylander, and Kleinman, who found ferromagnetism on the Rh[l brace]001[r brace] surface and a corresponding unusually small first-spacing relaxation.
- DOE Contract Number:
- FG02-86ER45239
- OSTI ID:
- 6079689
- Journal Information:
- Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 48:16; ISSN PRBMDO; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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