Neutron scattering studies of pyrochlore compound Nd2Mo 2O7 in magnetic field

Yukio Yasui, Satoshi Iikubo, Hiroshi Harashina, Taketomo Kageyama, Masafumi Ito, Masatoshi Sato, Kazuhisa Kakurai

研究成果: ジャーナルへの寄稿学術誌査読

27 被引用数 (Scopus)

抄録

Neutron diffraction studies have been carried out in the applied magnetic field H(|| [011]) on a single crystal of pyrochlore ferromagnet Nd 2Mo2O7, whose Hall resistivity (PH) has been reported to have quite unusual magnetic field (H)- and temperature (T)-dependences. The intensities of the observed magnetic reflections have been reproduced at 1.6 K as a function of H, by considering the change of the magnetic structure with H, where effects of the exchange fields at the Mo and Nd sites induced by the Mo-Mo and Mo-Nd exchange interactions and the single ion anisotropies of Mo- and Nd-moments are considered. From the H-dependent magnetic structure, the H-dependence of PH has been calculated by using the chiral order mechanism. By comparing the result with the H-dependence of the observed PH, it is found that the chiral order mechanism does not work well in the present system.

本文言語英語
ページ(範囲)865-872
ページ数8
ジャーナルjournal of the physical society of japan
72
4
DOI
出版ステータス出版済み - 4月 2003
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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