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ID 38218
本文ファイル
著者
Michimura, Shinji
Inami, Toshiya
Hayashi, Yuya
Fushiya, Kengo
Matsuda, Tatsuma D.
Higashinaka, Ryuji
Aoki, Yuji
Sugawara, Hitoshi
NDC
物理学
抄録(英)
The antiferromagnetic ordered phase in SmRu4P12 below the metal-insulator transition at T MI = 16.5 K with an unresolved transition at T∗ ~ 14 K has been studied by resonant and nonresonant x-ray diffraction in magnetic fields. In the intermediate phase, a nonresonant Thomson scattering with q = (1,0,0) is induced by applying a magnetic field, which is presumably caused by atomic displacements reflecting the charge order in the p band, as predicted theoretically [R. Shiina, J. Phys. Soc. Jpn. 82, 083713 (2013)]. Simultaneously, the antiferromagnetic moment of Sm is enhanced along the field direction, which is considered to reflect the staggered ordering of the Γ 7 −Γ 8 crystal-field states (scalar or hexadecapole order). The present results show that the orbital-dependent p-f hybridization in association with the nesting instability in the p band gives rise to the unconventional charge order similarly with PrRu4P12 and PrFe4P12.
内容記述
This work was supported by Grants-in-Aid for Scientific Research (No. 21204456, No. 21102515, and No. 2430087) from JSPS and MEXT, and by a Basic Science Research Grant from the Sumitomo Foundation.
掲載誌名
Physical Review B
89巻
16号
開始ページ
161116-1
終了ページ
161116-5
出版年月日
2014-04-25
出版者
American Physical Society
NCID
出版者DOI
言語
英語
NII資源タイプ
学術雑誌論文
広大資料タイプ
学術雑誌論文
DCMIタイプ
text
フォーマット
appliation/pdf
著者版フラグ
publisher
権利情報
Copyright (c) 2014 American Physical Society
関連情報URL
部局名
先端物質科学研究科
先進機能物質研究センター