Atomistic origin and temperature dependence of Raman optical redshift in nanostructures: a broken bond rule

Sun Changqing

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Atomistic origin and temperature dependence of Raman optical redshift in nanostructures: a broken bond rule

Sun Changqing * #

NAyang Technological University

*Correspondence author

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Funding: none

Opened online:11 August 2006

Accepted by: none

Citation: Sun Changqing.Atomistic origin and temperature dependence of Raman optical redshift in nanostructures: a broken bond rule[OL]. [11 August 2006] http://en.paper.edu.cn/en_releasepaper/content/7879

It turns out that: (i) the size-induced redshift of Raman optical modes results from the effect of bond order deficiency of atoms in surface skins and its consequences on the force constant of bonds between the under-coordinated surface atoms; (ii) the temperature-induced redshift arises from thermally-induced bond expansion and bond weakening

Keywords:Raman frequency shift

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