Abstract
AbstractCurrent‐voltage (I ‐V) characteristics and magnetoresistance have been measured to investigate the magnetic field effect on the charge transport in the π ‐d organic conductor (EDT‐TTFVO)2FeBr4. The I ‐V characteristics show nonlinear behavior at low temperatures, which is qualitatively explained by the transport of electrons and holes thermally excited from the charge ordered states in the EDT‐TTFVO molecule layers.At low temperatures, the magnetoresistance has a shape change at ∼0.3 T, likely due to the spin flop transition of the 3d spins, and then a broad minimum at 7.6 T. The absence of the field angle dependence shows that the broad minimum arises mainly from the Zeeman effect, but not from the orbital effect. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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