Antiferromagnetic resonance measurements of MgCu2O3 in the submillimeter wave region

H. Ohta, M. Hayashi, N. Arai, Hiroyuki Nojiri, M. Motokawa, N. Kitamura, Shojiro Kimura

Research output: Contribution to journalArticlepeer-review


Antiferromagnetic resonances (AFMR) of MgCu2O3 powder have been observed in the frequency region from 80 to 383.3 GHz using pulsed magnetic fields of up to 15 T at 1.8 K, which is well below the Néel temperature TN = (95 ± 1) K. Reflecting its two-dimensional character, easy-plane type anisotropy was observed and the observed results were analyzed by the conventional two-sublattice molecular field theory. Although the existence of Dzyaloshinsky-Moriya interaction was suggested by the previous neutron measurements, we were not able to resolve it from our AFMR results.

Original languageEnglish
Pages (from-to)781-788
Number of pages8
JournalPhysica Status Solidi (B) Basic Research
Issue number2
Publication statusPublished - 1999 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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