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Dimensional reduction by geometrical frustration in a cubic antiferromagnet composed of tetrahedral clusters
https://oist.repo.nii.ac.jp/records/2275
https://oist.repo.nii.ac.jp/records/2275d8695130-7805-4445-9beb-8b5eae84691e
名前 / ファイル | ライセンス | アクション |
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Okuma-2021-Dimensional reduction by geometrica (3.6 MB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-09-13 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Dimensional reduction by geometrical frustration in a cubic antiferromagnet composed of tetrahedral clusters | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Okuma, Ryutaro
× Okuma, Ryutaro× Kofu, Maiko× Asai, Shinichiro× Avdeev, Maxim× Koda, Akihiro× Okabe, Hirotaka× Hiraishi, Masatoshi× Takeshita, Soshi× Kojima, Kenji M.× Kadono, Ryosuke× Masuda, Takatsugu× Nakajima, Kenji× Hiroi, Zenji |
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書誌情報 |
en : Nature Communications 巻 12, 号 1, p. 4382, 発行日 2021-07-19 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Dimensionality is a critical factor in determining the properties of solids and is an apparent built-in character of the crystal structure. However, it can be an emergent and tunable property in geometrically frustrated spin systems. Here, we study the spin dynamics of the tetrahedral cluster antiferromagnet, pharmacosiderite, via muon spin resonance and neutron scattering. We find that the spin correlation exhibits a two-dimensional characteristic despite the isotropic connectivity of tetrahedral clusters made of spin 5/2 Fe3+ ions in the three-dimensional cubic crystal, which we ascribe to two-dimensionalisation by geometrical frustration based on spin wave calculations. Moreover, we suggest that even one-dimensionalisation occurs in the decoupled layers, generating low-energy and one-dimensional excitation modes, causing large spin fluctuation in the classical spin system. Pharmacosiderite facilitates studying the emergence of low-dimensionality and manipulating anisotropic responses arising from the dimensionality using an external magnetic field. | |||||
出版者 | ||||||
出版者 | Nature portfolio | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2041-1723 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/34282147 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41467-021-24636-1 | |||||
権利 | ||||||
権利情報 | © 2021 The Author(s). | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41467-021-24636-1 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |