Direct Observation of Spin-Splitting of the Shubnikov-de Haas Oscillations in a Quasi-Two-Dimensional Organic Conductor (BEDT–TTF)2KHg(SCN)4

Madoka Tokumoto; A. G. Swanson; J. S. Brooks; C. C. Agosta; S. T. Hannahs; Nobumori Kinoshita; Hiroyuki Anzai; J. R. Anderson

doi:10.1143/JPSJ.59.2324

Direct Observation of Spin-Splitting of the Shubnikov-de Haas Oscillations in a Quasi-Two-Dimensional Organic Conductor (BEDT–TTF)₂KHg(SCN)₄

Madoka Tokumoto, A. G. Swanson, J. S. Brooks, C. C. Agosta, S. T. Hannahs, Nobumori Kinoshita, Hiroyuki Anzai, J. R. Anderson

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JOURNAL RESTRICTED ACCESS

1990 Volume 59 Issue 7 Pages 2324-2327

DOI https://doi.org/10.1143/JPSJ.59.2324

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Abstract

A clear splitting in the Shubnikov-de Haas oscillation has been directly observed for the first time in a quasi-two-dimensional (2D) organic conductor (BEDT–TTF)₂KHg(SCN)₄. Analysis of the oscillations yields a 2D nature of the cylindrical Fermi surface, corresponding to 16% of the first Brillouin zone, with a small warping along the direction normal to the 2D layer. The condition for observation of spin-splitting and the evolution of the splitting pattern with a tilted magnetic field are discussed.

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