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Phys Rev Lett. 2000 Jul 31;85(5):1052-5.

LiV2O4 spinel as a heavy-mass fermi liquid: anomalous transport and role of geometrical frustration

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Department of Advanced Materials Science and Department of Superconductivity, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.


Transport and specific heat measurements on hydrothermally grown single crystals reveal the formation of a heavy-mass Fermi liquid in the LiV2O4 spinel, below a coherence temperature of T* = 20-30 K. A few observations which illustrate the uniqueness of this spinel are discussed in connection with the origin of the heavy mass, such as the anomalous absence of resistivity saturation above T* and the close proximity to a spin glass phase where the influence of the magnetic frustration is evident.

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