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A theory of DC‐hopping conductivity in a disordered one‐dimensional system accounting for electrical fields of arbitrary strength
Author(s) -
Bottger H.,
Bryksin V. V.
Publication year - 1975
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220680127
Subject(s) - nonlinear system , condensed matter physics , voltage , electrical resistivity and conductivity , current (fluid) , physics , materials science , quantum mechanics , thermodynamics
The current‐voltage characteristics are investigated for the dc‐hopping processes in disordered one‐dimensional systems with nearest‐neighbour hopping only. It is shown that in such systems strong local fields can give rise to a nonlinear current‐voltage dependence at much lower external fields than in a corresponding ordered system. Qualitatively similar results may also be expected for three‐dimensional systems.