Temperature-dependent terahertz photoconductivity in epitaxial graphene

We report the terahertz photoconductivity in a meander-shaped epitaxial graphene sample. The measurements at wavelengths 280, 148, and 90 μm (frequencies of 1.07, 2.03, and 3.32 THz) demonstrate that the photoconductivity is independent on the wavelength and is related to bolometric heating under th...

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Published in:Applied physics letters 2014-10, Vol.105 (17)
Main Authors: Vasilyev, Yu. B., Vasileva, G. Yu, Ivanov, Yu. L., Novikov, S., Danilov, S. N.
Format: Article
Language:English
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Applied physics
Bolometers
Graphene
Photoconductivity
Temperature dependence
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description We report the terahertz photoconductivity in a meander-shaped epitaxial graphene sample. The measurements at wavelengths 280, 148, and 90 μm (frequencies of 1.07, 2.03, and 3.32 THz) demonstrate that the photoconductivity is independent on the wavelength and is related to bolometric heating under the condition of weak localization enhanced due to long sample boundaries.
doi_str_mv 10.1063/1.4900788
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); AIP - American Institute of Physics
subjects Applied physics
Bolometers
Graphene
Photoconductivity
Temperature dependence
title Temperature-dependent terahertz photoconductivity in epitaxial graphene
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