Atomic displacements and lattice distortion in the magnetic-field-induced charge-ordered state of SmRu4P12

Physical Review B Volume 94 Issue 18 Page 184425-1-184425-10 published_at 2016

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Title ( eng )	Atomic displacements and lattice distortion in the magnetic-field-induced charge-ordered state of SmRu4P12
Creator	Matsumura Takeshi Michimura Shinji Inami Toshiya Fushiya Kengo Matsuda Tatsuma D Higashinaka Ryuji Aoki Yuji Sugawara Hitoshi
Source Title	Physical Review B
Volume	94
Issue	18
Start Page	184425-1
End Page	184425-10
Abstract	Structural properties of SmRu4P12 in the anomalous magnetic ordered phase between T* ~ 14 K and TN = 16.5 K in magnetic fields has been studied by x-ray diffraction. Atomic displacements of Ru and P, reflecting the field-induced charge order of the p electrons, have been deduced by analyzing the intensities of the forbidden Bragg peaks, assuming a cubic space groupPm¯3. Also, by utilizing a high-resolution x-ray diffraction experiment, we observed a splitting of fundamental Bragg peaks, clarifying that the unit cell in the magnetic ordered phase is rhombohedral elongated along the [1 1 1] axis. The response of the rhombohedral domains to the magnetic field, which reflects the direction of the magnetic moment, is studied in detail.
Descriptions	This work was supported by JSPS KAKENHI Grants No. 24340087 and No. 15K05175.
NDC	Physics [ 420 ]
Language	eng
Resource Type	journal article
Publisher	American Physical Society
Date of Issued	2016
Rights	Copyright (c) 2016 American Physical Society This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
Publish Type	Author’s Original
Access Rights	open access
Source Identifier	[ISSN] 2469-9950 [NCID] AA11187113 [DOI] 10.1103/PhysRevB.94.184425 [DOI] http://dx.doi.org/10.1103/PhysRevB.94.184425