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Metal-insulator transition in the spinel-type Cu(Ir1-xVx)2S4
http://hdl.handle.net/10258/271
http://hdl.handle.net/10258/27106f61ca3-45af-4b0e-9c23-bac1282653bc
名前 / ファイル | ライセンス | アクション |
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PhysicaB387_208.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article.(1) | |||||||||||
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公開日 | 2007-11-14 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Metal-insulator transition in the spinel-type Cu(Ir1-xVx)2S4 | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | spinel-type CuIr2S4 | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | CuV2S4 | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | Cu(Ir1-xVx)2S4 | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | metal-insulator transition | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | electrical conductivity | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | magnetic properties | |||||||||||
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 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
KAWASHIMA, Yusuke
× KAWASHIMA, Yusuke× HORIBE, Naoki× 阿波加, 淳司× YAMAMOTO, Hiroki× 戎, 修二
WEKO
197
× 永田, 正一 |
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室蘭工業大学研究者データベースへのリンク | ||||||||||||
戎 修二(EBISU Shuji) | ||||||||||||
http://rdsoran.muroran-it.ac.jp/html/100000219_ja.html | ||||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The spinel CuIr2S4 exhibits a temperature-induced metal-insulator (M-I) transition at around TM-I=226K with a structural transformation, at which a simultaneous bond dimerization with spin-singlet state and charge-ordering transition takes place. Conversely, CuV2S4 exhibits two-step anomalies at about 92 and 56K, reflecting the CDW state. High-purity spinel-type Cu(Ir1-xVx)2S4 specimens have been synthesized. The lattice constant does not obey Vegard's law, but looks like a parabolic curve. The d electrons on the octahedral B sites play a dominant role in determining the physical properties. A low substitution (x≈0.04) of V for Ir leads to disappearance of the step-like sharp M-I transition, and vice versa, a low substitution of Ir for V destroys the CDW transition. The local structural and orbital degrees of freedom in Cu(Ir1-xVx)2S4 couple to the spin system and the electronic state. The M-I transition and the CDW state are incompatible with each other in Cu(Ir1-xVx)2S4. In the metallic phase, a novel relationship, namely "a mirror image effect" has been manifestly found between the residual resistivity and the electronic energy density-of-states D(εF) at the Fermi level. The lower the resistivity, the higher the value of D(εF). Furthermore, a composition-induced gradual M-I transition is found over the range of 0.00⩽x⩽1.00, where the most insulating behavior is displayed around x≈0.2-0.3. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
en : Physica. B, Condensed matter 巻 387, 号 1-2, p. 208-216, 発行日 2007-01-01 |
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出版者 | ||||||||||||
言語 | en | |||||||||||
出版者 | Elsevier B.V. | |||||||||||
出版者版へのリンク | ||||||||||||
10.1016/j.physb.2006.04.006 | ||||||||||||
https://doi.org/10.1016/j.physb.2006.04.006 | ||||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.1016/j.physb.2006.04.006 | |||||||||||
論文ID(NAID) | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | NAID | |||||||||||
関連識別子 | 120000802136 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 428.4 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 09214526 | |||||||||||
書誌レコードID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA10673546 | |||||||||||
書誌レコードID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA11536700 | |||||||||||
参考URL | ||||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | https://www.elsevier.com/locate/issn/09214526 | |||||||||||
著者版フラグ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
フォーマット | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | application/pdf |