Magnetization step in spatially distorted Heisenberg kagomé antiferromagnets

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Abstract

Motivated by a recent experiment on volborthite, a typical spin-1/2 antiferromagnet with a kagomé lattice structure, we study the magnetization process of a classical Heisenberg model on a spatially distorted kagome lattice using the Monte Carlo (MC) method. We find a distortion-induced magnetization step at low temperatures and low magnetic fields. The magnitude of this step is given by Δmz -

Original languageEnglish
Article number073708
Journaljournal of the physical society of japan
Volume79
Issue number7
DOIs
Publication statusPublished - 2010 Jul 1
Externally publishedYes

Keywords

  • Geometrical frustration
  • Heisenberg model
  • Kagomé lattice
  • Magnetization step
  • Volborthite

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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