Phonon Spectrum and Vibrational Thermodynamic Characteristics of Graphene Nanofilms

Authored by: Alexander Feher , Sergey Feodosyev , Igor Gospodarev , Eugen Syrkin , Vladimir Grishaev

Graphene Science Handbook

Print publication date:  April  2016
Online publication date:  April  2016

Print ISBN: 9781466591370
eBook ISBN: 9781466591387
Adobe ISBN:

10.1201/b19461-23

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Abstract

This chapter describes phonon spectra and vibrational thermodynamic characteristics of graphene nanofilms. The relaxation of interlayer distances and force constants in the process of nanofilm formation is investigated. Moreover, the influence of the nanofilm structure (ABAB, ABCABC) on the thermodynamic properties of these systems is studied. Characteristics of the Van Hove singularities for phonon modes having different polarization are investigated.

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