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Organic Superconductors as Stages for Exploration of Superconductivity in High Magnetic Fields

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Abstract

The low dimensionality of organic superconductors leads to pronounced anisotropy in the upper critical field. In the vicinity of the field direction parallel to the superconducting plane, the critical field shoots out due to the suppression of the orbital pair-breaking effect. Organic superconductors are suitable for the study of the high-field state related to the spin effect under an aligned field, since they are of a high crystalline quality. The reported experimental results covering the behavior at low temperatures are reviewed first, and the breakthrough of the BCS Pauli paramagnetic limit is discussed. The potential of the low-dimensional organic superconductor for study of the effect of electronic spectrum quantization is argued.

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  1. Department of Physics, CREST, Kyoto University, Kyoto, 606-8502, Japan

    T. Ishiguro

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Ishiguro, T. Organic Superconductors as Stages for Exploration of Superconductivity in High Magnetic Fields. Journal of Superconductivity 13, 817–822 (2000). https://doi.org/10.1023/A:1007855307786

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