Magnetic properties of R2Fe3O7 (R=Yb and Lu)

K. Yoshii, N. Ikeda, R. Fukuyama, T. Nagata, T. Kambe, Y. Yoneda, T. Fukuda, S. Mori

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We have investigated the magnetic properties of R2Fe 3O7 (R=Yb and Lu), which belongs to the homologous family of electronic ferroelectric RFe2O4. Magnetization measurements show ferrimagnetic ordering at the Néel temperature (T N) of ∼270 K, which is slightly higher than that of RFe 2O4 (TN∼230-250 K). Observation of spin glass and exchange bias shows a coexistence of ferromagnetic and antiferromagnetic interactions, similarly to RFe2O4. This situation gives rise to a complex magnetic change and a broad peak of magnetic entropy change. Some characteristics, such as refrigeration temperatures higher than in RFe2O4, seem to offer a possibility of this system to applications.

Original languageEnglish
Pages (from-to)34-37
Number of pages4
JournalSolid State Communications
Publication statusPublished - Oct 4 2013


  • A. Iron oxides
  • A. Spin glass
  • D. Magnetic-phase transition
  • D. Magnetocaloric effect

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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    Yoshii, K., Ikeda, N., Fukuyama, R., Nagata, T., Kambe, T., Yoneda, Y., Fukuda, T., & Mori, S. (2013). Magnetic properties of R2Fe3O7 (R=Yb and Lu). Solid State Communications, 173, 34-37.