書誌事項
- タイトル別名
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- Proton NMR Study of Atacamite Cu₂Cl(OH)₃
- アタカマイト Cu₂Cl(OH)₃ ノ プロトン NMR
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論文(Article)
The proton NMR spectrum of Cu₂Cl(OH)₃ at low temperature with zero external field has two sharp peaks. This result means that the majority of magnetic moments antiferromagnetically order at low temperature. The magnetic structure determined by comparison with the observed proton NMR spectrum and the numerical calculated ones of various magnetic models shows that the magnetic moments order all-in all-out orienting to body center like antiferromagnetic pyrochlore. The sufficient evidence of the disordering or spin-glass moments for back ground is not detected from observed NMR spectrum. The magnetic structure of atacamite Cu₂Cl(OH)₃ is different from the atacamite of the same kind, Mn₂Cl(OH)₃, although it has same crystal structure. However, the temperature dependences of the peak frequencies show the unusual behavior which fall down quickly at the considerable lower temperature than TN. This result may suggest that the antiferromagnetically ordered moments begin to fluctuate at the low temperature due to the competing exchange interaction.
収録刊行物
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- 福岡工業大学研究論集
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福岡工業大学研究論集 43 (2), 87-92, 2011-02
福岡工業大学
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詳細情報 詳細情報について
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- CRID
- 1050568617136105088
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- NII論文ID
- 120006716692
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- NII書誌ID
- AN10036974
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- ISSN
- 02876620
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- HANDLE
- 11478/1310
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- NDL書誌ID
- 11063704
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
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