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The volume resistivity of the matrix and composites was determined by considering the ASTM D257 standard. The measurements were conducted by using a Keithley 6517B electrometer and a Keithley 8009 ...
Department of Chemical and Geological Sciences, Università degli studi di Cagliari, Cittadella Universitaria Blocco D, S.S. 554 bivio per Sestu, Monserrato, CA 09042, Italy ...