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Dirac semimetal phase and switching of band inversion in XMg₂Bi₂ (X = Ba and Sr)
https://repo.qst.go.jp/records/84893
https://repo.qst.go.jp/records/848939df03fc5-5c38-4522-89e5-063f627faa7e
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2021-11-04 | |||||
タイトル | ||||||
タイトル | Dirac semimetal phase and switching of band inversion in XMg₂Bi₂ (X = Ba and Sr) | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Takane, Daichi
× Takane, Daichi× Kubota, Yuya× Nakayama, Kosuke× Kawakami, Tappei× Yamauchi, Kunihiko× Souma, Seigo× Kato, Takemi× Sugawara, Katsuaki× Shin-ichiro, Ideta× Tanaka, Kiyohisa× Kitamura, Miho× Horiba, Koji× Kumigashira, Hiroshi× Oguchi, Tamio× Takahashi, Takashi× Segawa, Kouji× Sato, Takafumi× Koji, Horiba |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 角度分解光電子分光と第一原理バンド計算とを組み合わせることで、三元化合物BaMg₂Bi₂が、結晶のC3対称性によって保護されたブリルアンゾーン中心付近で交差する単純なディラックバンドを持つトポロジカルディラック半金属であることを明らかにした。また、同じ結晶構造を持つSrMg₂Bi₂は、スピン−軌道相互作用の減少によりバンド反転がないことを特徴とする通常の絶縁体となっていることがわかった。 | |||||
書誌情報 |
Scientific Reports 巻 11, p. 21937, 発行日 2021-11 |
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出版者 | ||||||
出版者 | Nature Publishing Group | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 34754019 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/s41598-021-01333-z | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41598-021-01333-z |