Surface Diffusion Anomaly near a Substrate Phase Transition: H on W ( 100 )

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Cai, Lei
dc.contributor.author Altman, M. S.
dc.contributor.author Granato, E.
dc.contributor.author Ala-Nissilä, Tapio
dc.contributor.author Ying, S. C.
dc.contributor.author Xiao, Xudong
dc.date.accessioned 2015-04-29T09:01:37Z
dc.date.available 2015-04-29T09:01:37Z
dc.date.issued 2002
dc.identifier.citation Cai, Lei & Altman, M. S. & Granato, E. & Ala-Nissilä, Tapio & Ying, S. C. & Xiao, Xudong. 2002. Surface Diffusion Anomaly near a Substrate Phase Transition: H on W ( 100 ). Physical Review Letters. Volume 88, Issue 22. P. 226105/1-4. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.88.226105. en
dc.identifier.issn 0031-9007 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/15843
dc.description.abstract Using a linear optical diffraction method, we have experimentally studied the long predicted diffusion anomalous behavior for H/W(100) near the reconstructive phase transition of the W(100) substrate. This anomaly manifests itself in the form of a strong dip in the diffusion coefficient D at the transition temperature TC. We interpret the strong reduction of D as a result of the diverging friction damping near the transition. The finite dip in D instead of a vanishing D at TC also demonstrates the importance of the non-Markovian (memory) deviation from the simple instantaneous damping picture. en
dc.format.extent 226105/1-4
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society (APS) en
dc.relation.ispartofseries Physical Review Letters en
dc.relation.ispartofseries Volume 88, Issue 22
dc.rights © 2002 American Physical Society (APS). http://www.aps.org/ en
dc.subject.other Physics en
dc.title Surface Diffusion Anomaly near a Substrate Phase Transition: H on W ( 100 ) en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Physical Society (APS)
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.contributor.department Department of Applied Physics en
dc.subject.keyword surface diffusion en
dc.subject.keyword phase transitions en
dc.identifier.urn URN:NBN:fi:aalto-201504292503
dc.type.dcmitype text en
dc.identifier.doi 10.1103/physrevlett.88.226105
dc.type.version Final published version en


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