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Structure determination of Pt3Ti(111) by automated tensor LEED
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1993 (English)In: Journal of Physics: Condensed Matter, ISSN 0953-8984, E-ISSN 1361-648X, Vol. 5, p. 4585-4594Article in journal (Refereed) Published
Abstract [en]

An analysis of low-energy electron diffraction (LEED) I-V spectra from the clean Pt3Ti(111) surface was performed by comparing measured intensities with data calculated using an automated tensor LEED program, which employs a directed search optimization procedure. It was found that the topmost layer is pure Pt and that the other layers have the bulk composition. The first and second interlayer spacings are 2.23+or-0.03 AA and 2.21+or-0.03 AA respectively, corresponding to a contraction of 0.9% and 1.8% of the bulk value. The perpendicular buckling is 0.04 AA +or-0.05 AA in the top layer and 0.15 AA +or-0.04 AA in the second layer. The results are in full accordance with previous investigations of the physical and chemical properties of this surface.

Place, publisher, year, edition, pages
1993. Vol. 5, p. 4585-4594
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Fysik
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URN: urn:nbn:se:ltu:diva-8502DOI: 10.1088/0953-8984/5/27/003Local ID: 70463eb0-3933-11dd-8721-000ea68e967bOAI: oai:DiVA.org:ltu-8502DiVA, id: diva2:981440
Note
Upprättat; 1993; 20080613 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Paul, Jan

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