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Universal scaling in highly doped conducting polymer films

A.J. Kronemeijer, E.H. Huisman, I. Katsouras, P.A. van Hal, T.C.T. Geuns, P.W.M. Blom, S.J. van der Molen, D.M. de Leeuw, United States (2010)

Electrical transport is investigated of a highly doped disordered conducting polymer, viz. poly-3,4-ethylenedioxythiophene stabilized with poly-4-styrenesulphonic acid (PEDOT:PSS), as a function of bias and temperature. The transport shows universal power-law scaling with both bias and temperature. All measurements constitute a single universal curve and the complete J(V,T) characteristics are described by a single equation. We relate this scaling to dissipative tunneling processes, such as environmental Coulomb Blockade.

Partners : RUG, Philips

Place of Publication : United States

Date of Publication : 2010/10/08

Additional Data : PRL 105, 156604 (2010)

Link to the online version of the article.