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cond-mat.dis-nn2008
Migration volume for polaron dielectric relaxation in disordered materials
A. N. Papathanassiou, I. Sakellis, J. Grammatikakis
A theoretical study of the influence of pressure on the dielectric relaxation related with polaron tunneling and phonon assisted hopping in disordered solids is developed. The sign…
cond-mat.dis-nn2008
Universal frequency-dependent ac conductivity of conducting polymer networks
A. N. Papathanassiou, I. Sakellis, J. Grammatikakis
A model based on the aspect of the distribution of the length of conduction paths accessible for electric charge flow reproduces the universal power-law dispersive ac conductivity…