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题名: Role of surface elastic relaxations in an O-induced nanopattern on Pt(110)-(1 x 2)
作者: Helveg, S.;  Li, W. X.;  Bartelt, N. C.;  Horch, S.;  Laegsgaard, E.;  Hammer, B.;  Besenbacher, F.
刊名: PHYSICAL REVIEW LETTERS
发表日期: 2007-03-16
DOI: 10.1103/PhysRevLett.98.115501
卷: 98, 期:11
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
英文摘要: Scanning tunneling microscopy shows that a nanopattern forms as the Pt(110)-(1x2) surface is exposed to oxygen at room temperature or above. The nanopattern consists of [110] oriented O-induced stripes assembling into a (11x2) superstructure at high O coverage. The stripes form because the O adsorption energy increases by expanding the Pt lattice along the ridges of the surface as compared to the bulk. From interplay with density functional theory calculations, we show that the O-induced nanoscale periodicity is caused by short-ranged elastic relaxations confined to the surface.
关键词[WOS]: OXYGEN-ADSORPTION ;  RECONSTRUCTION ;  STRESS ;  PHASE
语种: 英语
WOS记录号: WOS:000244959300037
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140734
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
2.Aarhus Univ, Interdisciplinary Nanosci Ctr, DK-8000 Aarhus, Denmark
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Theoret & Computat Chem, Dalian 116023, Peoples R China
5.Sandia Natl Labs, Livermore, CA 94550 USA

Recommended Citation:
Helveg, S.,Li, W. X.,Bartelt, N. C.,et al. Role of surface elastic relaxations in an O-induced nanopattern on Pt(110)-(1 x 2)[J]. PHYSICAL REVIEW LETTERS,2007,98(11).
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