Pressure-Induced Long-Period Magnetic Structure in Layered Antiferromagnets Rb2MnF4 and Cs2MnF4

Kazuaki Iwasa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The magnetic structure along the axial direction in the layered antiferromagnets, Rb2MnF4 and Cs2MnF4, was studied under hydrostatic pressure by using neutron scattering techniques. These compounds revealed predominantly antiferromagnetic stacking of magnetic layers at ambient pressure below their Néel temperatures. Upon applying pressure, however, the stacking changed remarkably; the ferromagnetic stacking became dominant and antiferromagnetic stacking completely vanished. Besides these two dominant peaks, several small peaks, which correspond to longer-period stacking, were also observed. These results are qualitatively explained by taking the competing interplanar interactions into consideration.

Original languageEnglish
Pages (from-to)1900-1907
Number of pages8
Journaljournal of the physical society of japan
Volume63
Issue number5
DOIs
Publication statusPublished - 1994 Jan 1

Keywords

  • competing interactions
  • high pressure
  • layered magnet
  • magnetic phase transition
  • neutron diffraction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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