Dominant phonon wave vectors and strain-induced splitting of the 2D Raman mode of graphene

Dominant phonon wave vectors and strain-induced splitting of the 2D Raman mode of graphene

The dominant phonon wave vectors q* probed by the 2D Raman mode of pristine and uniaxially strained graphene are determined via a combination of ab initio calculations and a full two-dimensional integration of the transition matrix. We show that q* are highly anisotropic and rotate about K with the...

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Bibliographic Details
Main Authors: Narula, Rohit, Bonini, Nicola, Marzari, Nicola, Reich, Stephanie
Other Authors: Massachusetts Institute of Technology. Department of Materials Science and Engineering
Format: Article
Language:en_US
Published: American Physical Society 2012
Online Access:http://hdl.handle.net/1721.1/71987

Internet

http://hdl.handle.net/1721.1/71987

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