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oaioai:deepblue.lib.umich.edu:2027.42/83459

Hot carrier cooling by acoustic phonons in epitaxial graphene by ultrafast pump-probe spectroscopy

Authors
Publication date
1 April 2011
Publisher
WILEY-VCH Verlag
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    Abstract

    We report the application nondegenerate ultrafast mid-infrared spectroscopy to investigate the acoustic phonon cooling process in epitaxial graphene. We show that the power-dependent experimental results match theoretical predictions of the low temperature acoustic cooling process. The hot phonon effect in acoustic phonon cooling is observed experimentally, and a deformation potential of 30 eV can be determined from fitting the data. (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/83459/1/1194_ftp.pd

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    Last time updated on 25/05/2012

    This paper was published in Deep Blue Documents at the University of Michigan.

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