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首页> 外文期刊>Physica status solidi, B. Basic research >THEORY OF THE THERMOPOWER AND NERNST EFFECT IN RANDOM TWO-COMPONENT SOLID SYSTEMS
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THEORY OF THE THERMOPOWER AND NERNST EFFECT IN RANDOM TWO-COMPONENT SOLID SYSTEMS

机译:两组分固体系统中的热力和能斯特效应理论

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摘要

The theory of the thermopower and the Nernst effect in inhomogeneous solid systems which consist of random high- and low-conductivity regions is developed using the effective-medium theory. An approximation is discussed in the case that the effective conductivity depends merely on the pair of conductivities in the components as this would happen in the absence of thermoelectricity. It is shown that this approximation can be used in the presence of thermoelectricity in almost all cases of random two-component systems. It is found that the Nernst coefficient has the minimum value in the vicinity of the percolation threshold. [References: 11]
机译:利用有效介质理论,建立了由高,低电导率随机区域组成的非均质固体系统的热电理论和能斯特效应。在有效电导率仅取决于部件中的一对电导率的情况下,将讨论一个近似值,因为这将在没有热电的情况下发生。结果表明,在几乎所有随机两组分系统的情况下,都可以在存在热电的情况下使用这种近似方法。发现能斯特系数在渗滤阈值附近具有最小值。 [参考:11]

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