Hot carrier relaxation of Dirac fermions in bilayer epitaxial graphene
Abstract
Energy relaxation of hot Dirac fermions in bilayer epitaxial graphene is experimentally investigated by magnetotransport measurements on Shubnikov-de Haas oscillations and weak localization. The hot-electron energy loss rate is found to follow the predicted Bloch-Gruneisen power-law behaviour of T-4 at carrier temperatures from 1.4K up to similar to 100 K, due to electron-acoustic phonon interactions with a deformation potential coupling...
Paper Details
Title
Hot carrier relaxation of Dirac fermions in bilayer epitaxial graphene
Published Date
Apr 2, 2015
Volume
27
Issue
16
Pages
164202
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