Surface Effects On The Mechanical Elongation Of Aucu Nanowires: De-alloying And The Formation Of Mixed Suspended Atomic Chains

dc.creatorLagos M.J.
dc.creatorAutreto P.A.S.
dc.creatorBettini J.
dc.creatorSato F.
dc.creatorDantas S.O.
dc.creatorGalvao D.S.
dc.creatorUgarte D.
dc.date2015
dc.date2015-06-25T12:53:11Z
dc.date2015-11-26T15:07:21Z
dc.date2015-06-25T12:53:11Z
dc.date2015-11-26T15:07:21Z
dc.date.accessioned2018-03-28T22:17:45Z
dc.date.available2018-03-28T22:17:45Z
dc.identifier
dc.identifierJournal Of Applied Physics. American Institute Of Physics Inc., v. 117, n. 9, p. - , 2015.
dc.identifier218979
dc.identifier10.1063/1.4913625
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84924160021&partnerID=40&md5=7da643c3d245b674a2b54f001c02f81e
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/85439
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/85439
dc.identifier2-s2.0-84924160021
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1257432
dc.descriptionWe report here an atomistic study of the mechanical deformation of AuxCu(1- x ) atomic-size wires (nanowires (NWs)) by means of high resolution transmission electron microscopy experiments. Molecular dynamics simulations were also carried out in order to obtain deeper insights on the dynamical properties of stretched NWs. The mechanical properties are significantly dependent on the chemical composition that evolves in time at the junction; some structures exhibit a remarkable de-alloying behavior. Also, our results represent the first experimental realization of mixed linear atomic chains (LACs) among transition and noble metals; in particular, surface energies induce chemical gradients on NW surfaces that can be exploited to control the relative LAC compositions (different number of gold and copper atoms). The implications of these results for nanocatalysis and spin transport of one-atom-thick metal wires are addressed.
dc.description117
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dc.descriptionhttp://dx.doi.org/10.1063/1.4913625
dc.languageen
dc.publisherAmerican Institute of Physics Inc.
dc.relationJournal of Applied Physics
dc.rightsaberto
dc.sourceScopus
dc.titleSurface Effects On The Mechanical Elongation Of Aucu Nanowires: De-alloying And The Formation Of Mixed Suspended Atomic Chains
dc.typeArtículos de revistas


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