X-ray Diffraction and Absorption Spectroscopy in Pulsed High Magnetic Fields

被引：9

作者：

Matsuda, Yasuhiro H. ^{[1
]}

Inami, Toshiya ^{[2
]}

机构：

[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[2] Japan Atom Energy Agcy, Condensed Matter Sci Div, Sayo, Hyogo 6795148, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2013年 / 82卷 / 02期

关键词：

X-ray diffraction; resonant magnetic X-ray diffraction; X-ray absorption; X-ray magnetic circular dichroism; high magnetic fields; LATTICE ANTIFERROMAGNET CUFEO2; NEUTRON-DIFFRACTION; PHASE-TRANSITION; SYNCHROTRON-RADIATION; CIRCULAR-DICHROISM; GROUND-STATE; TEMPERATURE; MAGNETOSTRICTION; PR1-XCAXMNO3; BEHAVIOR;

D O I：

10.7566/JPSJ.82.021009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent results of high-magnetic-field X-ray diffraction and absorption spectroscopy experiments using pulsed magnets are reviewed. Pulsed magnetic fields of up to 30-40 T are utilized. Structural changes induced by magnetic fields in rare-earth intermetallic compounds, transition-metal oxides and low-dimensional quantum spin compounds are presented as results of X-ray diffraction experiments. The structural changes are interpreted by several mechanisms such as the interspin distance dependence of exchange interactions, the symmetry change owing to the geometrical frustration effect, and the Jahn-Teller effect. In addition to the Thomson scattering experiment, a magnetic X-ray scattering experiment on TbB4 has been conducted at 30 T. Regarding X-ray absorption spectroscopy, the valence state transition in magnetic fields is observed in Yb-, Ce-, and Eu-based intermetallic compounds. Magnetic-field-induced changes in the structural and electronic states in transition-metal and rare-earth compounds were investigated using X-ray absorption spectra. The microscopic magnetic properties were examined by X-ray magnetic circular dichroism.

引用

页数：17

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