Semiconducting-to-Metallic Photoconductivity Crossover and Temperature-Dependent Drude Weight in Graphene

Semiconducting-to-Metallic Photoconductivity Crossover and Temperature-Dependent Drude Weight in Graphene

We investigate the transient photoconductivity of graphene at various gate-tuned carrier densities by optical-pump terahertz-probe spectroscopy. We demonstrate that graphene exhibits semiconducting positive photoconductivity near zero carrier density, which crosses over to metallic negative photocon...

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Bibliographic Details
Main Authors: Frenzel, Alex James, Lui, Chun Hung, Shin, Yong Cheol, Kong, Jing, Gedik, Nuh
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Format: Article
Language:English
Published: American Physical Society 2014
Online Access:http://hdl.handle.net/1721.1/88651
https://orcid.org/0000-0002-6394-4987
https://orcid.org/0000-0003-0551-1208
https://orcid.org/0000-0002-7406-5283

Internet

http://hdl.handle.net/1721.1/88651
https://orcid.org/0000-0002-6394-4987
https://orcid.org/0000-0003-0551-1208
https://orcid.org/0000-0002-7406-5283

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