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https://hdl.handle.net/20.500.14094/90007309
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2024-04-26
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90007309 (fulltext)
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90007309
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open access
出版タイプ
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タイトル
Regular-triangle trimer and charge order preserving the Anderson condition in the pyrochlore structure of CsW2O6
著者
Okamoto, Yoshihiko ; Amano, Haruki ; Katayama, Naoyuki ; Sawa, Hiroshi ; Niki, Kenta ; Mitoka, Rikuto ; Harima, Hisatomo ; Hasegawa, Takumi ; Ogita, Norio ; Tanaka, Yu ; Takigawa, Masashi ; Yokoyama, Yasunori ; Takehana, Kanji ; Imanaka, Yasutaka ; Nakamura, Yuto ; Kishida, Hideo ; Takenaka, Koshi
著者名
Okamoto, Yoshihiko
著者名
Amano, Haruki
著者名
Katayama, Naoyuki
著者名
Sawa, Hiroshi
著者名
Niki, Kenta
著者名
Mitoka, Rikuto
著者ID
A0495
研究者ID
1000050211496
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=52555153916ce9f8520e17560c007669
著者名
Harima, Hisatomo
播磨, 尚朝
ハリマ, ヒサトモ
所属機関名
理学研究科
著者名
Hasegawa, Takumi
著者名
Ogita, Norio
著者名
Tanaka, Yu
著者名
Takigawa, Masashi
著者名
Yokoyama, Yasunori
著者名
Takehana, Kanji
著者名
Imanaka, Yasutaka
著者名
Nakamura, Yuto
著者名
Kishida, Hideo
著者名
Takenaka, Koshi
収録物名
Nature Communications
巻(号)
11(1)
ページ
3144-3144
出版者
Nature Research
刊行日
2020-06-19
公開日
2020-07-29
抄録
Since the discovery of the Verwey transition in magnetite, transition metal compounds with pyrochlore structures have been intensively studied as a platform for realizing remarkable electronic phase transitions. We report on a phase transition that preserves the cubic symmetry of the β-pyrochlore oxide CsW2O6, where each of W 5d electrons are confined in regular-triangle W3 trimers. This trimer formation represents the self-organization of 5d electrons, which can be resolved into a charge order satisfying the Anderson condition in a nontrivial way, orbital order caused by the distortion of WO6 octahedra, and the formation of a spin-singlet pair in a regular-triangle trimer. An electronic instability due to the unusual three-dimensional nesting of Fermi surfaces and the strong correlations of the 5d electrons characteristic of the pyrochlore oxides are both likely to play important roles in this charge-orbital-spin coupled phenomenon.
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理学研究科
学術雑誌論文
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© The Author(s) 2020.
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
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資源タイプ
journal article
言語
English (英語)
eISSN
2041-1723
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NCID
AA12645905
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関連情報
DOI
https://doi.org/10.1038/s41467-020-16873-7
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