1995 Volume 64 Issue 7 Pages 2307-2310
Angular dependence of magnetoresistance of a quasi-one-dimensional organic superconductor, (DMET)2I3 has been measured at 4.2, K for magnetic fields up to 7.0, T. For the field of 1.0, T, the angular dependence of the magnetoresistance is smooth over the entire range of angles, reflecting the quasi-one-dimensional band structure of the salt. When the magnetic field of 7.0, T was rotated in the most conducting ab plane, the magnetoresistance for the current along both the b- and c*-axes showed discontinuous changes in its slope at the angles of ± 15° from the most conducting axis. The anomaly occurring at 7.0, T is considered to be due to a change in electronic state induced by the magnetic field almost perpendicular to the quasi-1D Fermi surface.
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