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Fermionic order by disorder in a van der Waals antiferromagnet
https://oist.repo.nii.ac.jp/records/1775
https://oist.repo.nii.ac.jp/records/1775062932ce-d442-4d57-8e34-bdb7214576b3
名前 / ファイル | ライセンス | アクション |
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Okuma-2020-Fermionic order by disorder in a va (1.7 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 | 2020-11-12 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Fermionic order by disorder in a van der Waals antiferromagnet | |||||
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, R.
× Okuma, R.× Ueta, D.× Kuniyoshi, S.× Fujisawa, Y.× Smith, B.× Hsu, C. H.× Inagaki, Y.× Si, W.× Kawae, T.× Lin, H.× Chuang, F. C.× Masuda, T.× Kobayashi, R.× Okada, Y. |
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書誌情報 |
en : Scientific Reports 巻 10, 号 1, p. 15311, 発行日 2020-09-17 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | CeTe₃ is a unique platform to investigate the itinerant magnetism in a van der Waals (vdW) coupled metal. Despite chemical pressure being a promising route to boost quantum fluctuation in this system, a systematic study on the chemical pressure effect on Ce³⁺(4f¹) states is absent. Here, we report on the successful growth of a series of Se doped single crystals of CeTe₃. We found a fluctuation driven exotic magnetic rotation from the usual easy-axis ordering to an unusual hard-axis ordering. Unlike in localized magnetic systems, near-critical magnetism can increase itinerancy hand-in-hand with enhancing fluctuation of magnetism. Thus, seemingly unstable hard-axis ordering emerges through kinetic energy gain, with the self-consistent observation of enhanced magnetic fluctuation (disorder). As far as we recognize, this order-by-disorder process in fermionic system is observed for the first time within vdW materials. Our finding opens a unique experimental platform for direct visualization of the rich quasiparticle Fermi surface deformation associated with the Fermionic order-by-disorder process. Also, the search for emergent exotic phases by further tuning of quantum fluctuation is suggested as a promising future challenge. | |||||
出版者 | ||||||
出版者 | Nature Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/32943710 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41598-020-72300-3 | |||||
権利 | ||||||
権利情報 | © 2020 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/s41598-020-72300-3 | |||||
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 |