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http://ir.ncue.edu.tw/ir/handle/987654321/14136
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| 題名: | Thermoelectric Power of High-pressure Synthesized CuBa2Ca3Cu4O−δ |
| 作者: | Liu, Chia-Jyi;Jin, C. Q.;Yamauchi, H. |
| 貢獻者: | 物理學系 |
| 日期: | 1996-03
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| 上傳時間: | 2012-09-10T06:13:05Z
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| 出版者: | The American Physical Society |
| 摘要: | We report measurements of thermoelectric power (TEP) for high-pressure synthesized CuBa2Ca3Cu4O11-δ superconductors. The magnitude of TEP for the sample with Tc,zero=115.9 K is very small and shows a sign crossover at ∼160 K. The TEP shows a peak behavior and displays an approximately linear temperature dependence with a negative slope -0.033 μV/K2 for 120≤T≤240 K. These features resemble those for other known high-Tc cuprate superconductors, in particular Sa in the a direction for an untwinned YBa2Cu3O7-δ single crystal and polycrystalline Tl-2201 samples. A brief discussion is given on the TEP behavior in comparison with CuBa2YCu2O7-δ cuprate superconductors by considering their similar structure of building blocks and type of charge reservoir. |
| 關聯: | Phys. Rev. B, 53(9): 5170-5173 |
| 顯示於類別: | [物理學系] 期刊論文
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