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Dimensional crossover in the purple bronze Li0.9Mo6O17

C A M dos Santos1, B D White, Yi-Kuo Yu

  • 1Department of Physics, Montana State University, P. O. Box 173840, Bozeman, Montana 59717-3840, USA.

Physical Review Letters
|August 7, 2007
PubMed
Summary

Thermal expansion in Li0.9Mo6O17 primarily affects the a-axis, strengthening interchain coupling at low temperatures. This transition destabilizes the Luttinger liquid state, favoring a charge-density wave driven by Coulomb repulsion.

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