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SURFACE IMPEDANCE OF THIN GRAPHITE FILMS AT MICROWAVE FREQUENCIES
2018
Progress In Electromagnetics Research M
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
doi:10.2528/pierm18053003
fatcat:bq55yizorfealcxddbt6tw4zjy