Microscopic Charge Separation in Tb1-xCaxMnO 3 (x ∼ 1)

Akihiko Machida, Yutaka Moritomo, Shigeo Mori, Naoki Yamamoto, Kenji Ohoyama, Eiji Nishibori, Masaki Takata, Makoto Sakata, Toshiya Otomo, Arao Nakamura

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10 Citations (Scopus)


Microscopic magnetic structures of Tb1-xCaxMnO 3 (x ∼ 1) have been investigated by means of small-angle neutron scattering (SANS) and Lorentz micrograph experiments. We have found that ferromagnetic microclusters of the order of ∼10 nm are invaded in the antiferromagnetic matrix with the G-type spin structure. We have interpreted the coexistence of the magnetic clusters in terms of intrinsic change separation.

Original languageEnglish
Pages (from-to)27-30
Number of pages4
JournalJournal of the Physical Society of Japan
Issue number1
Publication statusPublished - 2002 Jan


  • Charge separation
  • Lorentz micrograph
  • Neutron powder diffraction
  • Perovskite-type manganites
  • Small-angle neutron scattering
  • Synchrotron radiation x-ray powder diffraction


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