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The upper critical field H-c2 of purple bronze Li0.9Mo6O17 is found to exhibit a large anisotropy, in quantitative agreement with that expected from the observed electrical resistivity anisotropy. With the field aligned along the most conducting axis, H-c2 increases monotonically with decreasing temperature to a value 5 times larger than the estimated paramagnetic pair-breaking field. Theories for the enhancement of H-c2 invoking spin-orbit scattering or strong-coupling superconductivity are shown to be inadequate in explaining the observed behavior, suggesting that the pairing state in Li0.9Mo6O17 is unconventional and possibly spin triplet.
FingerprintDive into the research topics of 'Upper Critical Magnetic Field far above the Paramagnetic Pair-Breaking Limit of Superconducting One-Dimensional Li0.9Mo6O17 Single Crystals'. Together they form a unique fingerprint.
- 2 Finished
1/09/10 → 1/09/14
1/01/09 → 1/01/12