Long-range magnetic order in CeRu_2Al_10 studied via muon spin relaxation and neutron diffraction
Physical Review B 82 巻 10 号
100405-1-100405-4 頁
2010-09-07 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Long-range magnetic order in CeRu_2Al_10 studied via muon spin relaxation and neutron diffraction
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| 作成者 |
Khalyavin D. D
Hillier A. D
Adroja D. T
Strydom A. M
Manuel P
Chapon L. C
Peratheepan P
Knight K
Deen P
Ritter C
Muro Yuji
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| 収録物名 |
Physical Review B
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| 巻 | 82 |
| 号 | 10 |
| 開始ページ | 100405-1 |
| 終了ページ | 100405-4 |
| 抄録 |
The low-temperature state of CeRu2Al10 has been studied by neutron powder diffraction and muon spin relaxation. By combining both techniques, we prove that the transition occurring at T*similar to 27 K, whose origin has been the subject of considerable debate, is unambiguously magnetic due to the ordering of the Ce sublattice. The magnetic structure with a propagation vector of k=(1, 0, 0) involves a collinear antiferromagnetic alignment of the Ce moments along the c axis of the Cmcm space group with a reduced moment of 0.34(2) mu(B). No structural changes within the resolution limit have been detected below the transition temperature. However, the temperature dependence of the magnetic Bragg peaks and the muon precession frequency show an anomaly around T-2 similar to 12 K indicating a possible second transition.
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| NDC分類 |
化学 [ 430 ]
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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 | 2010-09-07 |
| 権利情報 |
Copyright (c) 2010 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] 1082-586X
[DOI] 10.1103/PhysRevB.82.100405
[NCID] AA11289372
[DOI] http://dx.doi.org/10.1103/PhysRevB.82.100405
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