SURFACE IMPEDANCE OF THIN GRAPHITE FILMS AT MICROWAVE FREQUENCIES | Zendy

Yuriy M. Penkin | Zendy; V. A. Katrich | Zendy; Mikhail V. Nesterenko | Zendy; Dmitriy Penkin | Zendy

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SURFACE IMPEDANCE OF THIN GRAPHITE FILMS AT MICROWAVE FREQUENCIES

Author(s) -

Yuriy M. Penkin,

V. A. Katrich,

Mikhail V. Nesterenko,

Dmitriy Penkin

Publication year - 2018

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm18053003

Subject(s) - microwave , graphite , materials science , electrical impedance , surface (topology) , optoelectronics , composite material , electrical engineering , telecommunications , computer science , mathematics , engineering , geometry

Surface impedance of thin graphite films with metallic properties is evaluated by a waveguide technique based on measuring reflection and transmission coefficients of thin film membranes at operating frequencies in rectangular waveguides. Oneand two-layer membranes of finite thickness, completely filling the waveguide cross-section, are investigated. Formulas allowing analytical estimates of surface impedances for nonmagnetic films made of amorphous carbon are derived. Simulation results for graphite films at frequencies from 5 to 10 GHz are analyzed.

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