Two-stage formation model and helicity of gold nanowires.

Two-stage formation model and helicity of gold nanowires. Research Abstract Details 

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Two-stage formation model and helicity of gold nanowires. Abstract Text:

Yusuke Iguchi,Takeo Hoshi,Takeo Fujiwara,Yusuke Iguchi,Takeo Hoshi,Takeo Fujiwara,

A model for the formation of helical multishell gold nanowires is proposed and is confirmed with quantum mechanical molecular dynamics simulations. The model can explain the magic number of the helical gold nanowires in the multishell structure. The reconstruction from ideal nonhelical to realistic helical nanowires consists of two stages: dissociations of atoms on the outermost shell from atoms on the inner shell and slip deformations of atom rows generating (111)-like structure on the outermost shell. The elementary processes are governed by competition between energy loss and gain by s and d electrons together with the width of the d band. The possibility for the helical nanowires of platinum, silver, and copper is discussed.

Two-stage formation model and helicity of gold nanowires. Publishing Authors By Initials

Y Iguchi,T Hoshi,T Fujiwara,Y Iguchi,T Hoshi,T Fujiwara,

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Two-stage formation model and helicity of gold nanowires. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Physical review letters

VOLUME: 99

Page Numbers: 125507

Journal Abbreviation: Phys. Rev. Lett.

ISSN: 0031-9007

DAY: 21

MONTH: 09

YEAR: 2007

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LANGUAGE: eng

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Grant and Affiliation Information for Two-stage formation model and helicity of gold nanowires.

AFFILIATION: Department of Applied Physics, The University of Tokyo, Bunkyo-ku, Tokyo, 113-8656, Japan.

Country: United States

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MEDLINETA: Phys Rev Lett

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