Neutron diffraction study on the multiple magnetization plateaus in TbB4 under pulsed high magnetic field

S. Yoshii, K. Ohoyama, K. Kurosawa, H. Nojiri, M. Matsuda, P. Frings, F. Duc, B. Vignolle, G. L.J.A. Rikken, L. P. Regnault, S. Michimura, F. Iga

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Abstract

We present the first application of pulsed high magnetic fields up to 30T for neutron diffraction experiments. As the first study, field variations of a couple of magnetic Bragg reflections have successfully been measured in the frustrated antiferromagnet TbB4. The results show that the conventional models fail, and a model, which is a mixture of the XY- and the Ising-type moments, matches for the half-magnetization state. We deduce an interaction that stabilizes an orthogonal moment arrangement as an origin of the unusual magnetization plateaus. Our results demonstrate the powerfulness of the present pulsed magnetic fields neutron diffraction system.

Original languageEnglish
Article number077203
JournalPhysical Review Letters
Volume103
Issue number7
DOIs
Publication statusPublished - 2009 Aug 12

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Yoshii, S., Ohoyama, K., Kurosawa, K., Nojiri, H., Matsuda, M., Frings, P., Duc, F., Vignolle, B., Rikken, G. L. J. A., Regnault, L. P., Michimura, S., & Iga, F. (2009). Neutron diffraction study on the multiple magnetization plateaus in TbB4 under pulsed high magnetic field. Physical Review Letters, 103(7), [077203]. https://doi.org/10.1103/PhysRevLett.103.077203