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Synthesis of nanosize tetratitanium heptoxide and its anomalous phase transition
http://hdl.handle.net/2241/00161173
http://hdl.handle.net/2241/0016117328f4b8d2-357b-4a2d-b8ac-c9efd204cba2
名前 / ファイル | ライセンス | アクション |
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MRL_8-7 (2.8 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2020-09-04 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Synthesis of nanosize tetratitanium heptoxide and its anomalous phase transition | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
所, 裕子
× 所, 裕子× 近藤, 剛弘× Araki, Yusuke× Nagata, Iori× Imoto, Kenta× Ohkoshi, Shin-ichi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Tetratitanium heptoxide, Ti4O7, is known to exhibit a two-step phase transition from the charge-delocalized to charge-localized phase and the charge-disordered to charge-ordered phase around 150 K and 130 K, respectively. Herein, a nanoscopic effect of the Ti4O7 phase transition is studied. A one-step phase transition from the charge-delocalized to charge-localized phase is realized in Ti4O7 nanocrystals where the transition from the charge-disordered to charge-ordered phase is suppressed. Perturbation to the free energy by the surface energy can explain this anomalous phase transition. The present nanoscopic effect, which can control cooperativity in phase transitions, should contribute to develop advanced switching materials. | |||||
書誌情報 |
en : Materials Research Letters 巻 8, 号 7, p. 261-267, 発行日 2020-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2166-3831 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1080/21663831.2020.1743788 | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Taylor & Francis |