Two fluids formation in the normal state of high-TC superconductor -: High temperature thermopower of La2-xSrxCuO4

被引：1

作者：

Kim, JS ^{[1
]}

Park, YW

机构：

[1] Seoul Natl Univ, Sch Phys, Seoul 151747, South Korea

[2] Seoul Natl Univ, Condensed Matter Res Inst, Seoul 151747, South Korea

来源：

NEW CHALLENGES IN SUPERCONDUCTIVITY: EXPERIMENTAL ADVANCES AND EMERGING THEORIES | 2005年 / 183卷

关键词：

high-T-C cuprates; two fluids; normal state; and high temperature thermoelectric power;

D O I：

10.1007/1-4020-3085-1_13

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Thermoelectric power (TEP) of high-T-C superconductors has been investigated in a wide range of temperature (T-C < T < 700 K) for La2-xSrCuO4. For wide doping level from underdoping to heavily overdoping, TEP follows the linear-T dependence above the broad peak temperature, T-p. At high temperatures, however, TEP shows deviation from the linear-T dependence at a certain temperature T-h, which is consistent with the pseudogap temperature. The systematic change of the TEP behavior is discussed in terms of the two fluids model of bound pairs and independent normal carriers.

引用

页码：73 / 78

页数：6

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