WEKO3
アイテム
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Superconductivity and its enhancement under high pressure in “F-free” single crystals of CeOBiS2
http://hdl.handle.net/10228/00007415
http://hdl.handle.net/10228/00007415ddca26d8-057c-4d7d-acc9-33cf21278c5b
名前 / ファイル | ライセンス | アクション |
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scunit-2017_02.pdf (1.6 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2019-10-25 | |||||||||||
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 | |||||||||||
タイトル | ||||||||||||
タイトル | Superconductivity and its enhancement under high pressure in “F-free” single crystals of CeOBiS2 | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
田中, 将嗣
× 田中, 将嗣
WEKO
22595
× Nagao, Masanori× Matsumoto, Ryo× Kataoka, Noriyuki× Ueta, Ikuo× Tanaka, Hiromi× Watauchi, Satoshi× Tanaka, Isao× Takano, Yoshihiko |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | “F-free” CeOBiS2 single crystals have successfully grown, thoroughly eliminating a concern about F-contamination by using a high-purity CsCl flux. The obtained crystals have a plate-like shape with a size of 1.0–3.0 mm in the well-developed plane. Single crystal X-ray structural analysis clearly revealed that the CeOBiS2 crystallizes with a space group P4/nmm (with lattice parameters of a = 4.0189 (6) Å, c = 13.573 (2) Å). The bond valence sum estimation and X-ray photoelectron spectroscopy analysis showed that the chemical state of Ce was in the mixed valence of Ce3+ and Ce4+. The single crystals show superconductivity with zero resistivity at ∼1.3 K. This is the first conclusive evidence of superconductivity driven by Ce valence fluctuation in surely non-doped CeOBiS2. The superconducting transition temperature was enhanced up to ∼3.8 K by applying hydrostatic pressure. | |||||||||||
書誌情報 |
Journal of Alloys and Compounds 巻 722, 号 25, p. 467-473, 発行日 2017-06-12 |
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出版社 | ||||||||||||
出版者 | Elsevier | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1016/j.jallcom.2017.06.125 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 549 | |||||||||||
NCID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA10817249 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0925-8388 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright (c) 2017 Elsevier B.V. All rights reserved. | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Single crystal X-ray structural analysis | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Ce valence evaluation | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Resistivity under high pressure | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | BiS2-based superconductors | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Layered mixed-anion compounds | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
連携ID | ||||||||||||
6190 | ||||||||||||
資料タイプ | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | Journal Article | |||||||||||
著者所属 | ||||||||||||
Graduate School of Engineering, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata, Kitakyushu, 804-8550, Japan, WPI-MANA, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan | ||||||||||||
著者所属 | ||||||||||||
University of Yamanashi, 7-32 Miyamae, Kofu, Yamanashi 400-8511, Japan | ||||||||||||
著者所属 | ||||||||||||
WPI-MANA, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan | ||||||||||||
著者所属 | ||||||||||||
National Institute of Technology, Yonago College, 4448 Hikona, Yonago, Tottori 683-8502, Japan | ||||||||||||
著者所属 | ||||||||||||
University of Yamanashi, 7-32 Miyamae, Kofu, Yamanashi 400-8511, Japan | ||||||||||||
著者所属 | ||||||||||||
National Institute of Technology, Yonago College, 4448 Hikona, Yonago, Tottori 683-8502, Japan | ||||||||||||
著者所属 | ||||||||||||
University of Yamanashi, 7-32 Miyamae, Kofu, Yamanashi 400-8511, Japan | ||||||||||||
著者所属 | ||||||||||||
University of Yamanashi, 7-32 Miyamae, Kofu, Yamanashi 400-8511, Japan | ||||||||||||
著者所属 | ||||||||||||
WPI-MANA, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan |