Spin dynamics in the quantum spin system KCu5V3O13

  • H. H. Klauss
  • , P. Lemmens
  • , M. Birke
  • , D. Baabe
  • , D. Mienert
  • , F. J. Litterst
  • , A. Amato
  • , J. Pommer
  • , A. Ionescu
  • , K. Y. Choi
  • , G. Güntherodt
  • , H. Kageyama
  • , Z. Hiroi
  • , M. Takigawa

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The complex Oxo-Cu-vanadate KCu5V3O13 with 5 independent Cu-sites (s = 1/2) per unit cell has an exchange topology described as a ladder of spin tetrahedra or triangles. Magnetic susceptibility measurements on single crystals show a steplike anomaly at 213 K and an antiferromagnetic transition at 7.5 K. ZF μSR reveals only nuclear relaxation above 10 K and two spontaneous precession signals in the long range ordered regime. Below 3.7 K, a spin reorientation leads to a broad frequency distribution typical for an incommensurate spin structure.

Original languageEnglish
Pages (from-to)436-439
Number of pages4
JournalPhysica B: Condensed Matter
Volume326
Issue number1-4
DOIs
StatePublished - Feb 2003
Externally publishedYes

Keywords

  • Low-dimensional quantum spin system
  • Spin ladder

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