Nonlinear Transport in Tetrathiafulvalene-Tetracyanoquinodimethane (TTF-TCNQ) at Low Temperatures
- 29 November 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 37 (22), 1500-1503
- https://doi.org/10.1103/physrevlett.37.1500
Abstract
An experimental study of electrical transport phenomena in TTF-TCNQ in the low-temperature (T<4.2 K) dielectric regime is reported. The current-voltage curves are nonlinear with conductance increasing with increasing voltage. The observed nonlinearity is insensitive to radiation-induced defects at the fraction of a percent level. The data are discussed in terms of electric field depinning of the incommensurate charge-density wave with a critical electric field of approximately 1.5 × 102 V/cm.Keywords
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