Submillimeter wave ESR measurement of LaMnO3

S. Mitsudo, K. Hirano, H. Nojiri, M. Motokawa, K. Hirota, A. Nishizawa, N. Kaneko, Y. Endoh

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33 Citations (Scopus)


High-field magnetization measurements up to 40 T and submillimeter wave ESR measurements in frequency range from 95 to 762 GHz have been performed on a stoichiometric single crystal of LaMnO3. At 4.2 K, the induced magnetization curve shows nonlinear increase up to Hc = 21 T for H∥b and linear increase above Hc. This result suggests that the antiferromagnetic easy axis is the b-axis. For H∥b, several ESR lines are observed at 4.2 K. The obtained frequency-field diagram shows these lines are the antiferromagnetic resonance with the uniaxial anisotropy.

Original languageEnglish
Pages (from-to)877-878
Number of pages2
JournalJournal of Magnetism and Magnetic Materials
Issue numberPART 2
Publication statusPublished - 1998 Jan


  • Electron-spin resonance
  • Magnetization - high field
  • Perovskite structure
  • Transition metal oxides


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