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  • 文献标题:   Kohn anomaly in graphene
  • 文献类型:   Article
  • 作　　者:   MILOSEVIC I, KEPCIJA N, DOBARDZIC E, DAMNJANOVIC M, MOHR M, MAULTZSCH J, THOMSEN C
  • 作者关键词:   graphene, kohn anomaly, electronphonon interaction, symmetry
  • 出版物名称:   MATERIALS SCIENCE ENGINEERING BADVANCED FUNCTIONAL SOLIDSTATE MATERIALS
  • ISSN:   0921-5107
  • 通讯作者地址:   Univ Belgrade
  • 被引频次:   3
  • DOI:   10.1016/j.mseb.2010.11.004
  • 出版年:   2011

▎ 摘　　要

Symmetry based analysis of the Kohn anomaly is performed. Kohn phonon frequencies and displacements are calculated by force constant method. It is shown that Kohn phonon vibrations cause electronic band gap opening. (C) 2010 Elsevier B.V. All rights reserved.