BaCu2Si2O7: A quasi-one-dimensional S = 1/2 antiferromagnetic chain system

I. Tsukada, Y. Sasago, K. Uchinokura, A. Zheludev, S. Maslov, G. Shirane, K. Kakurai, E. Ressouche

Research output: Contribution to journalArticlepeer-review

Abstract

The antiferromagnetic (AF) compound BaCu2Si2O7is studied by magnetic susceptibility and neutron-scattering techniques. The observed behavior is dominated by the presence of loosely coupled S=1/2 chains with the intrachain AF exchange constant J≈ 24.1 meV. Long-range Néel ordering is observed below TN=9.2 K. The results are discussed within the framework of the mean-field RPA model for weakly interacting quantum spin chains.

Original languageEnglish (US)
Pages (from-to)6601-6607
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume60
Issue number9
DOIs
StatePublished - 1999
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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