Magnetic-field-induced Mott transition in a quasi-two-dimensional organic conductor |
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Authors: | Kagawa F Itou T Miyagawa K Kanoda K |
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Institution: | Department of Applied Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan. |
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Abstract: | We investigated the effect of magnetic field on the highly correlated metal near the Mott transition in the quasi-two-dimensional layered organic conductor, kappa-(BEDT-TTF)(2)CuN(CN)(2)]Cl, by the resistance measurements under control of temperature, pressure, and magnetic field. It was demonstrated that the marginal metallic phase near the Mott transition is susceptible to the field-induced localization transition of the first order, as was predicted theoretically. The thermodynamic consideration of the present results gives a conceptual pressure-field phase diagram of the Mott transition at low temperatures. |
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