Evidence for coherent interchain electron transport in quasi-one-dimensional molecular conductors

Haeyong Kang, J. Jo, S. Uji, W. Kang

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The angular magnetoresistance of the organic superconductor (TMTSF)2ReO4 was measured up to 13.5 T. Exceptionally well-resolved angular magnetoresistance oscillations were observed, and analysis of these oscillations revealed several important features concerning interlayer transport. Lebed resonance dips up to the twenty-first order and subresonance dips corresponding to p/q=nonintegers were observed. The key finding of this work was that, unlike other organic conductors of the form (TMTSF)2X, (TMTSF)2ReO4 exhibits the Lebed resonance effect only when both p and q are odd integers. A simple explanation for this phenomenon, based on the unique anion ordering with wave vector (0, 1/2, 1/2), is presented. This simple model can be applied to all Bechgaard salts. The analysis shows that interchain electron transport is coherent even though chains are as far apart as 200 Å or more.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume68
Issue number13
DOIs
StatePublished - 2003

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