title: Nonlinear ionic conductivity of lithium silicate glass studied via molecular dynamics simulations.
abstract: Nonlinear ionic conductivity effects are studied via molecular dynamics simulations. We present numerical results for the field dependence of the current density as well as the second moment of the ion displacements. Furthermore we check whether structural changes occur upon application of strong electric fields. We obtain a complex picture of the field-dependent ion dynamics of a disordered system that is beyond simple model descriptions.
authors.affiliation: Institut für Physikalische Chemie and Sonderforschungsbereich 458, Westfälische Wilhelms-Universität, Corrensstrasse 30, D-48149 Münster, Germany.
authors.forename: Magnus
authors.initials: M
authors.lastname: Kunow
authors.forename: Andreas
authors.initials: A
authors.lastname: Heuer