Abstract
We report a detailed magnetotransport study of the highly anisotropic quasi-one-dimensional oxide Li0.9Mo6O17 whose in-chain electrical resistivity diverges below a temperature T min∼25K. For T<Tmin, a magnetic field applied parallel to the conducting chain induces a large negative magnetoresistance and, ultimately, the recovery of a metallic state. We show evidence that this insulator-metal crossover is a consequence of field-induced suppression of a density-wave gap in a highly one-dimensional conductor. At the highest fields studied, there is evidence for the possible emergence of a novel superconducting state with an onset temperature Tc>10K.
Original language | English (US) |
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Article number | 206602 |
Journal | Physical review letters |
Volume | 102 |
Issue number | 20 |
DOIs | |
State | Published - May 18 2009 |
Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy(all)