Structural and magnetic phase determination of (1 - x)BiFeO 3-xBaTiO 3 solid solution

Ryoji Kiyanagi, Tadashi Yamazaki, Yuma Sakamoto, Hiroyuki Kimura, Yukio Noda, Kenji Ohyama, Shuki Torii, Masao Yonemura, Junrong Zhang, Takashi Kamiyama

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26 Citations (Scopus)


Solid solutions of (1 - x)BiFeO 3-xBaTiO 3 (x = 0.0-1.0) were studied by the combination of X-ray and neutron powder diffraction methods in order to investigate structural and magnetic properties over a wide temperature region. The structure analyses revealed that there exists a hexagonal phase over the wide range of x, and a coexistence of a cubic or a tetragonal phase was revealed. The compositions of the two coexisting phases differ from each other, and Ba and Ti were found to favor the cubic or tetragonal phase. As x increases, the relaxation of the rhombohedral distortion in the hexagonal phase was observed. The decreases of the ferroelectric and the antiferromagnetic phase transition temperatures were also observed leading the suppression of the polarization and the magnetic moment of Fe 3+ ion at room temperature. As a whole, the ferroelectricity and ferromagnetism in this material were considered to arise from the remaining hexagonal phase.

Original languageEnglish
Article number024603
Journaljournal of the physical society of japan
Issue number2
Publication statusPublished - 2012 Feb


  • BaTiO
  • BiFeO
  • Magnetic structure
  • Multiferroics
  • Neutron/X-ray powder diffraction
  • Structure

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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