Time and magnetic field variations of magnetic structure in the triangular lattice magnet Ca3Co2O6

Kiyoichiro Motoya, Takumi Kihara, Hiroyuki Nojiri, Yoshiya Uwatoko, Masaaki Matsuda, Tao Hong

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In a previous study, the long-time variation of the magnetic structure was investigated in the triangular lattice compound Ca3Co2O6 in zero magnetic field. In this study, the magnetic field and time variations of the magnetic structure have been studied by magnetization and neutron scattering measurements. The magnetization curve shows a multistep increase, which suggests the presence of successive transitions to different magnetic structures. However, magnetic Bragg peaks corresponding to the long-period antiferromagnetic structure persist up to a high magnetic field close to saturation magnetization. After the magnetic field is removed, a diffuse magnetic scattering signal due to shortrange correlations grows with time instead of the Bragg peaks owing to the antiferromagnetic structure in the initial state. A model to account for the magnetic field and time variations of the magnetic structure is presented.

Original languageEnglish
Article number114703
Journaljournal of the physical society of japan
Volume87
Issue number11
DOIs
Publication statusPublished - 2018

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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