Crystal structure and magnetic properties of hexagonal RMnO3 (R = Y, Lu, and Sc) and the effect of doping

Takuro Katsufuji, M. Masaki, A. Machida, M. Moritomo, K. Kato, E. Nishibori, M. Takata, M. Sakata, K. Ohoyama, K. Kitazawa, H. Takagi

    Research output: Contribution to journalArticle

    209 Citations (Scopus)

    Abstract

    A ferroelectricity-magnetism-coexisting system, hexagonal RMnO3 (R = Y, Lu, and Sc), has been investigated by synchrotron x-ray and neutron powder diffraction measurements. It is found from x-ray diffraction measurements that the ferroelectric polarization originates from the tilting of MnO5 polyhedra and the buckling of R layers, which persists up to 1000 K. Neutron diffraction measurements have revealed the reduction of ordered moments from the expected value, as well as strong magnetic diffuse scattering existing far above TN, both of which are caused by geometrical frustration of the triangular lattice of Mn ions. We have also investigated the effects of Zr doping into the R site and have found that Zr doping drastically suppresses both ferroelectric distortion and magnetic ordering.

    Original languageEnglish
    Article number134434
    Pages (from-to)1344341-1344348
    Number of pages8
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume66
    Issue number13
    Publication statusPublished - 2002 Oct 1

    Fingerprint

    Magnetic properties
    Crystal structure
    Doping (additives)
    magnetic properties
    crystal structure
    Ferroelectric materials
    Ferroelectricity
    X rays
    Neutron powder diffraction
    ferroelectricity
    Magnetism
    Neutron diffraction
    frustration
    buckling
    polyhedrons
    Synchrotrons
    Buckling
    neutron diffraction
    Magnetization
    synchrotrons

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Katsufuji, T., Masaki, M., Machida, A., Moritomo, M., Kato, K., Nishibori, E., ... Takagi, H. (2002). Crystal structure and magnetic properties of hexagonal RMnO3 (R = Y, Lu, and Sc) and the effect of doping. Physical Review B - Condensed Matter and Materials Physics, 66(13), 1344341-1344348. [134434].

    Crystal structure and magnetic properties of hexagonal RMnO3 (R = Y, Lu, and Sc) and the effect of doping. / Katsufuji, Takuro; Masaki, M.; Machida, A.; Moritomo, M.; Kato, K.; Nishibori, E.; Takata, M.; Sakata, M.; Ohoyama, K.; Kitazawa, K.; Takagi, H.

    In: Physical Review B - Condensed Matter and Materials Physics, Vol. 66, No. 13, 134434, 01.10.2002, p. 1344341-1344348.

    Research output: Contribution to journalArticle

    Katsufuji, T, Masaki, M, Machida, A, Moritomo, M, Kato, K, Nishibori, E, Takata, M, Sakata, M, Ohoyama, K, Kitazawa, K & Takagi, H 2002, 'Crystal structure and magnetic properties of hexagonal RMnO3 (R = Y, Lu, and Sc) and the effect of doping', Physical Review B - Condensed Matter and Materials Physics, vol. 66, no. 13, 134434, pp. 1344341-1344348.
    Katsufuji, Takuro ; Masaki, M. ; Machida, A. ; Moritomo, M. ; Kato, K. ; Nishibori, E. ; Takata, M. ; Sakata, M. ; Ohoyama, K. ; Kitazawa, K. ; Takagi, H. / Crystal structure and magnetic properties of hexagonal RMnO3 (R = Y, Lu, and Sc) and the effect of doping. In: Physical Review B - Condensed Matter and Materials Physics. 2002 ; Vol. 66, No. 13. pp. 1344341-1344348.
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    AU - Moritomo, M.

    AU - Kato, K.

    AU - Nishibori, E.

    AU - Takata, M.

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