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首页> 外文期刊>Physica, B. Condensed Matter >Hall effect in the SDW phase of quasi-one-dimensional organic conductor (TMTTF)(2)Br
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Hall effect in the SDW phase of quasi-one-dimensional organic conductor (TMTTF)(2)Br

机译：准一维有机导体（TMTTF）（2）Br的SDW相中的霍尔效应

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摘要

The resistance and Hall resistance measurements have been carried out in the organic compound (TMTTF)(2)Br for various pressures. For the incommensurate SDW phase of (TMTrF)(2)Br stabilized above 0.5 GPa, the sign reversal of the Hall resistance was observed with decreasing temperature. In addition, a large hysteresis of the Hall resistance was observed above T*similar to 0.3T(SDW), where T-SDW is the SDW transition temperature. This behavior is possibly related to the sub-phase structure of incommensurate SDW phase, where the coexistence of the charge-density wave with the SDW was proposed for high temperature sub-phase. On the other hand, this type of hysteresis is not observed in the (TMTSF)(2)PF6 compound. These differences in both salts can be explained by taking into account the difference of the ratio of charge-density wave for high temperature sub-phase.
机译：已经在有机化合物（TMTTF）（2）Br中针对各种压力进行了电阻和霍尔电阻测量。对于稳定在0.5 GPa以上的（TMTrF）（2）Br不相称的SDW相，随着温度降低，观察到霍尔电阻的符号反转。另外，在T *以上观察到霍尔电阻的大磁滞，类似于0.3T（SDW），其中T-SDW为SDW转变温度。此行为可能与不相称的SDW相的子相结构有关，其中针对高温子相提出了电荷密度波与SDW的共存。另一方面，在（TMTSF）（2）PF6化合物中未观察到这种类型的磁滞。可以通过考虑高温子相的电荷密度波比的差异来解释两种盐的这些差异。

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