Published in
American Institute of Physics, Applied Physics Letters, 7(95), p. 073107
DOI: 10.1063/1.3202413
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Microwave propagation in graphene
Journal article published in 2009 by
G. Deligeorgis,
M. Dragoman 
,
D. Neculoiu,
D. Dragoman,
G. Konstantinidis,
A. Cismaru,
R. Plana
,
D. Neculoiu,
D. Dragoman,
G. Konstantinidis,
A. Cismaru,
R. Plana
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Abstract
We report on measurements and modeling of microwave propagation in graphene. In deep contrast with carbon nanotubes, which display very high impedances in the microwave range, planar waveguides patterned directly on graphene display a 50 Ω impedance, which is tuned slightly by an applied dc. The high values of kinetic impedance in carbon nanotubes were not observed in graphene.