Microscopic study of carrier multiplication in graphene

Microscopic calculations allow to track the ultrafast relaxation of optically excited charge carriers in graphene. Its unique band structure accounts for efficient Auger-type scattering channels resulting in a significant carrier multiplication.

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Bibliographic Details
Main Authors: Winzer, T., Knorr, A., Malic, E.
Format: Conference Proceeding
Language:English
Subjects:
Charge carrier density
Mathematical model
Optical pulses
Optical scattering
Phonons
Ultrafast optics
Online Access:Request full text
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Description
Summary:Microscopic calculations allow to track the ultrafast relaxation of optically excited charge carriers in graphene. Its unique band structure accounts for efficient Auger-type scattering channels resulting in a significant carrier multiplication.
ISSN:2160-8989
2160-9004
DOI:10.1364/QELS.2011.QTuK5