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Title: One-dimensional electronic transport at the organic charge-transfer interfaces under high pressures

We have characterized the charge transport properties of the electronic state at the interface between tetrathiofulvalene and 7,7,8,8-tetracyanoquinodimethane organic crystals as a function of pressure. At low temperature and for all studied pressures, the conductance and the current through the interface exhibit a power-law dependence on both temperature and bias voltage which reveal features of quasi-one-dimensional character. The transport behavior as well as the pressure dependence of the power-law exponent is consistent with a one-dimensional Wigner crystal model. Our results demonstrate that organic heterointerfaces can provide an ideal platform for exploring the rich electronic phenomena in low-dimensional systems.
Authors:
 [1] ;  [2] ; ; ; ;  [3]
  1. Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University, Beijing 100871 (China)
  2. (France)
  3. Laboratoire de Physique des Solides, Université Paris-Sud, 91405 Orsay (France)
Publication Date:
OSTI Identifier:
22280372
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 19; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CHARGE TRANSPORT; CRYSTAL MODELS; ONE-DIMENSIONAL CALCULATIONS; PRESSURE DEPENDENCE