Multipole and superconducting state in PrIr2Zn20 probed by muon spin relaxation
Physical Reviews B 85 巻 23 号
235152- 頁
2012 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Multipole and superconducting state in PrIr2Zn20 probed by muon spin relaxation
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| 作成者 |
Higemoto Wataru
Ito Takashi
Ninomiya Kazuhiko
Matsumoto Keisuke
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| 収録物名 |
Physical Reviews B
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| 巻 | 85 |
| 号 | 23 |
| 開始ページ | 235152 |
| 抄録 |
We performed muon spin rotation and relaxation (mu SR) measurements in the caged-structure heavy-fermion system PrIr2Zn20 to elucidate its magnetic and superconducting properties. Temperature-independent mu SR spectra were observed below 1 K, indicating that the phase transition at 0.11 K is of a nonmagnetic origin, most probably pure quadrupole ordering. In the superconducting phase, no sign of unconventional superconductivity, such as superconductivity with broken time-reversal symmetry, was seen below T-c = 0.05 K. We also observed spontaneous muon spin precession in zero field in the paramagnetic phase below 15 K, suggesting that unusual coupling between Pr-141 nuclei and muons is realized in PrIr2Zn20.
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| NDC分類 |
物理学 [ 420 ]
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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 | 2012 |
| 権利情報 |
(c) 2011 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.85.235152
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.85.235152
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