Anisotropic pseudogap in CeNiSn and CeRhSb studied by a thermal-conductivity measurement
Physical Review B - Condensed Matter and Materials Physics 55 巻 10 号
6421-6428 頁
1997-05-01 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Anisotropic pseudogap in CeNiSn and CeRhSb studied by a thermal-conductivity measurement
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| 作成者 |
Kobayashi Norio
Yoshino Takenobu
Kobayashi Katsushi
Nakamoto Go
Fujii Hironobu
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| 収録物名 |
Physical Review B - Condensed Matter and Materials Physics
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| 巻 | 55 |
| 号 | 10 |
| 開始ページ | 6421 |
| 終了ページ | 6428 |
| 抄録 |
We have measured the thermal conductivity κ for CeNiSn, CeNi0.95M0.05Sn (M=Co,Cu), and CeRhSb single crystals. The pronounced enhancement of κ along the b axis is observed around 5 and 10 K in CeNiSn and CeRhSb, respectively. In CeNiSn, this enhancement is almost completely suppressed either by application of a magnetic field of 15 T along the a axis, which is the easy axis of magnetization, or by the substitution of 5% Co and Cu for Ni. These results indicate that the enhancement of κ along the b axis originates from the opening of the pseudogap in these compounds. On the other hand, the enhancement of κ along the a axis in CeNiSn and those along the a and c axis in CeRhSb are much smaller than that along the b axis. These anisotropic behaviors in κ reflect the anisotropy of the gap in these compounds.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 1997-05-01 |
| 権利情報 |
Copyright (c) 1997 The American Physical Society.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.55.6421
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.65.132405
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