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High-pressure synthesis of new filled skutterudite compounds SrT4As12 (T = Fe, Ru, Os)
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| 作成者 |
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en
NISHINE, Kohei
ja
西根, 康平
ja-Kana
ニシネ, コウヘイ
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ja
川村, 幸裕
ja-Kana
カワムラ, ユキヒロ
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KAWAMURA, Yukihiro
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ja
林, 純一
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HAYASHI, Junichi
ja-Kana
ハヤシ, ジュンイチ
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ja
関根, ちひろ
ja-Kana
セキネ, チヒロ
en
SEKINE, Chihiro
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| アクセス権 |
open access |
| 権利情報 |
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en
copyright © 2017 Japan Society of Applied Physics
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Other
application/pdf
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Abstract
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We have succeeded in synthesizing samples of new filled skutterudite compounds SrT 4As12 (T = Fe, Ru, and Os) using a high-pressure synthesis technique. These compounds have lattice constants of 8.351, 8.521, and 8.561 Å, respectively. The physical properties of the compounds are reported for the first time. The temperature dependences of the electrical resistivity for SrT 4As12 (T = Fe, Ru, and Os) exhibit metallic behaviors. The electrical resistivity and magnetic measurements indicates that SrOs4As12 is a new superconductor with a transition temperature of 4.8 K. A broad maximum of magnetic susceptibility at around 50 K and a large electronic specific heat coefficient of 58 mJ mol−1 K−2 suggest that SrFe4As12 is a nearly ferromagnetic metal with spin fluctuations of Fe 3d electrons.
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| 出版者 |
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Japan Society of Applied Physics
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| 日付 |
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| 言語 |
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| 資源タイプ |
journal article |
| 出版タイプ |
AM |
| 資源識別子 |
HDL
http://hdl.handle.net/10258/00009678
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URI
https://muroran-it.repo.nii.ac.jp/records/9726
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| 関連 |
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isVersionOf
DOI
https://doi.org/10.7567/JJAP.56.05FB01
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| 収録誌情報 |
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PISSN
0021-4922
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NCID
AA12295836
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en
Japanese Journal of Applied Physics
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巻56
号5S3
開始ページ05FB01
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| ファイル |
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| コンテンツ更新日時 |
2024-02-09 |
