准一维金属Li（0.9）Mo（6）O（17）的极端热电势各向异性和链间输运
Extreme thermopower anisotropy and interchain transport in the quasi-one-dimensional metal Li(0.9)Mo(6)O(17)
摘要：
本文报道了准一维金属Li（0.9）Mo（6）O（17）在5 K ≤ T ≤ 500 K温度范围内横向于导电链的热电势和电阻率测量结果。对于T>= 400 K的链间输运是由热激发的载流子从价带~ 0.14 eV以下的费米能级，引起一个大的，p-型热电势，符合一个小的，n-型热电势沿链。这种二分法--在一个方向上是类似超导体的，在相互垂直的方向上是金属的--产生了大量的横向热电（TE）效应和单个化合物已知的最大的横向TE品质因数。
英文摘要：
Thermopower and electrical resistivity measurements transverse to the conducting chains of the quasi-one-dimensional metal Li(0.9)Mo(6)O(17) are reported in the temperature range 5 K <= T <= 500 K. For T>= 400 K the interchain transport is determined by thermal excitation of charge carriers from a valence band ~ 0.14 eV below the Fermi level, giving rise to a large, p-type thermopower that coincides with a small, n-type thermopower along the chains. This dichotomy -- semiconductor-like in one direction and metallic in a mutually perpendicular direction -- gives rise to substantial transverse thermoelectric (TE) effects and a transverse TE figure of merit among the largest known for a single compound.
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