Commensurate to incommensurate transition in the chiral helimagnet CuB 2O4

Toshiyuki Fujita, Yoshikuni Fujimoto, Seitaro Mitsudo, Toshitaka Idehara, Teruo Saito, Yusuke Kousaka, Shin Ichiro Yano, Jun Akimitsu, Jun Ichiro Kishine, Katsuya Inoue, Mitsuhiro Motokawa

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5 Citations (Scopus)

Abstract

We have studied a commensurate to incommensurate transition in the novel helimagnet CuB2O4 by means of high-frequency ESR. In the commensurate weak ferromagnetic (CWF) state, two ESR modes have been found at low temperatures, which are explained in terms of an electron paramagnetic resonance of the Cu2+ spins at 8d-sites and an antiferromagnetic resonance of the magnetically ordered Cu2+ spins at 4b-sites with the Dzyaloshinskii-Moriya (DM) interaction. The DM interaction among the Cu 2+ spins at 4b-sites that carries the CWF state is evaluated quantitatively. The incommensurate helimagnetic state is discussed in terms of the magnetic frustration.

Original languageEnglish
Article number053702
Journaljournal of the physical society of japan
Volume77
Issue number5
DOIs
Publication statusPublished - May 2008
Externally publishedYes

Keywords

  • Chiral soliton
  • Commensurate to incommensurate transition
  • Dzyaloshinskii-Moriya interaction
  • Frustration
  • Helimagnetism
  • High frequency ESR
  • Hysteresis
  • Weak ferromagnetism

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Fujita, T., Fujimoto, Y., Mitsudo, S., Idehara, T., Saito, T., Kousaka, Y., Yano, S. I., Akimitsu, J., Kishine, J. I., Inoue, K., & Motokawa, M. (2008). Commensurate to incommensurate transition in the chiral helimagnet CuB 2O4. journal of the physical society of japan, 77(5), [053702]. https://doi.org/10.1143/JPSJ.77.053702