NDLI: Structure of the c „ 2 Ã 2 ...-Br Õ Pt „ 110 ... surface

Content Provider	Semantic Scholar
Author	Blum, Volker Hammer, Lutz Heinz, Klaus Franchini, Cesare Redinger, Josef Deisl, C. Bertel, Erminald
Copyright Year	2002
Abstract	We present a detailed investigation of the c(232)-Br/Pt(110) adlayer structure supplemented by the analysis of the (132) missing-row~MR! structure of the clean Pt ~110! surface. Quantitative low energy electron diffraction analyses and first-principles calculations are in impressive agreement in both cases. The clean surface reconstruction is determined with unprecedented accuracy. For the adsorbate, the analysis retrieves a simple Br-adlayer structure with the Br atoms residing in every second short bridge position on the closepacked Pt rows with the MR reconstruction lifted. The Br-Pt bond length L52.47 Å is almost equal to the sum of the atomic radii. The substrate below the adsorbate exhibits a contraction of the first layer spacing which amounts to half of that calculated for an unreconstructed clean surface.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.fkp.uni-erlangen.de/literatur/pdf-kh/p241BrPt2x2.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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