Magnetic Structure, Phase Diagram, and a New Type of Spin-Flop Transition Dominated by Higher Order Interaction in a Localized [Formula presented] System [Formula presented]

Y. Koike, N. Metoki, Y. Haga, K. A. McEwen, M. Kohgi, R. Yamamoto, N. Aso, N. Tateiwa, T. Komatsubara, N. Kimura, H. Aoki

Research output: Contribution to journalArticlepeer-review

Abstract

The magnetic structure of the localized-[Formula presented] uranium intermetallic compound [Formula presented] has been determined by means of a neutron diffraction experiment. Our data demonstrate that this compound has a collinear coupling of the sublattice ordering of the uranium spins on the [Formula presented] and [Formula presented] sites. We conclude that higher-order exchange and/or quadrupole interactions are necessary to stabilize this unique collinear structure. We discovered a new type of spin-flop transition against the uniaxial anisotropy induced by this collinear coupling.

Original languageEnglish
JournalPhysical review letters
Volume89
Issue number7
DOIs
Publication statusPublished - 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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