Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/101546
Type: Artigo de evento
Title: The Role Of Carbon Contamination In Suspended Gold Nanowires
Author: Legoas S.B.
Galvao D.S.
Rodrigues V.
Ugarte D.
Abstract: Metallic nanowires represent very interesting systems due to new phenomena such as quantum conductance and unexpected long interatomic distances attaining 0.3-0.5 nm. These large distances represent a challenge for physical interpretation. In this work we present experimental data from transmission electron microscopy and results from ab initio density functional calculations for suspended gold chains. We show that large distances as 0.5 nm can be easily explained by the presence of carbon atoms as contaminants, while distances ranging from 0.29 up to 0.36 nm might be explained as resulting of a mixture of clean stressed and contaminated linear chains. © 2003 Materials Research Society.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-34249906740&partnerID=40&md5=83518d35046359626360b9d2a9848af6
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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