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SURFACE IMPEDANCE OF THIN GRAPHITE FILMS AT MICROWAVE FREQUENCIES

By Y. M. Penkin, V. A. Katrich, M. V. Nesterenko, and D. Y. Penkin

Full Article PDF (178 KB)

Abstract:
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. One- and 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.

Citation:
Y. M. Penkin, V. A. Katrich, M. V. Nesterenko, and D. Y. Penkin, "Surface Impedance of Thin Graphite Films at Microwave Frequencies," Progress In Electromagnetics Research M, Vol. 72, 41-47, 2018.
doi:10.2528/PIERM18053003
http://www.jpier.org/pierm/pier.php?paper=18053003

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