Ettingshausen and Nernst effects of QMG-YBa2Cu3O7-delta in magnetic fields up to 14 T

被引：3

作者：

Sasaki, T ^{[1
]}

Sawamura, M ^{[1
]}

Awaji, S ^{[1
]}

Watanabe, K ^{[1
]}

Kobayashi, N ^{[1
]}

Kimura, K ^{[1
]}

Miyamoto, K ^{[1
]}

Hashimoto, M ^{[1
]}

机构：

[1] NIPPON STEEL CORP LTD, ADV MAT & TECHNOL RES LABS, NAKAHARA KU, KAWASAKI, KANAGAWA 211, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 1996年 / 35卷 / 1A期

关键词：

Ettingshausen effect; Nernst effect; transport entropy of a flux line; oxide superconductor; YBa2Cu3O7-delta; vortex pinning by precipitates of the Y2BaCuO5 phase;

D O I：

10.1143/JJAP.35.82

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The dissipation behavior in the mixed state of a high-T-c oxide superconductor Yba(2)Cu(3)O(7-delta) has been investigated by measuring thermomagnetic effects, namely the Ettingshausen and Nernst effects. These two effects were measured for the same sample prepared by the quench and melt growth (QMG) method without Pt addition. The Ettingshausen effect was also measured for a sample with 0.5% Pt. The temperature and magnetic field dependences of the temperature gradient produced by the Ettingshausen effect and the electric field induced by the Nernst effect are presented. Combining these data with the electrical resistivity and the thermal conductivity, the transport energy of a vortex line is obtained. The effect of the Pt addition on the Ettingshausen effect is also discussed.

引用

页码：82 / 89

页数：8

共 31 条

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