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THE STRUCTURE OF CU(110) (2X3)-N - PSEUDO-SQUARE RECONSTRUCTION OF A RECTANGULAR MESH SUBSTRATE
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UNSPECIFIED (1991) THE STRUCTURE OF CU(110) (2X3)-N - PSEUDO-SQUARE RECONSTRUCTION OF A RECTANGULAR MESH SUBSTRATE. In: 37TH NATIONAL SYMP OF THE AMERICAN VACUUM SOC, TORONTO, CANADA, OCT 08-12, 1990. Published in: JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 9 (3 Part 2). pp. 1856-1860. ISSN 0734-2101.
Research output not available from this repository, contact author.Abstract
The structure of the Cu(110)(2 x 3)-N phase has been investigated by parallel studies using 3-keV Li+ and 2-keV He+ ion scattering and scanned energy mode normal emission N 1s photoelectron diffraction. The Li+ ion scattering results provide clear evidence for an adsorbate-induced reconstruction of the Cu surface and, in particular, indicate a shortening of the Cu-Cu atomic spacing along the <100> azimuth to a value of 2.7 +/- 0.1 angstrom, similar to the <110> spacing of 2.55 angstrom. A model of the surface consistent with this result involves a pseudo-square Cu top atom layer with N atoms occupying alternate hollow sites leading to a local structure which is a 6% distorted Cu(100)c(2 x 2)-N phase. He+ ion scattering data provides support for the N hollow adsorption sites. Scanned energy mode photoelectron diffraction is insensitive to the nature of the reconstruction but provides information on the local adsorption sites and, hence, on the lateral registry of the reconstructed overlayer and the underlying substrate.
| Item Type: | Conference Item (UNSPECIFIED) | ||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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| Journal or Publication Title: | JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | ||||
| Publisher: | AMER INST PHYSICS | ||||
| ISSN: | 0734-2101 | ||||
| Official Date: | May 1991 | ||||
| Dates: |
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| Volume: | 9 | ||||
| Number: | 3 Part 2 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 1856-1860 | ||||
| Publication Status: | Published | ||||
| Title of Event: | 37TH NATIONAL SYMP OF THE AMERICAN VACUUM SOC | ||||
| Location of Event: | TORONTO, CANADA | ||||
| Date(s) of Event: | OCT 08-12, 1990 |
Data sourced from Thomson Reuters' Web of Knowledge
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