Magnetic characterization of the sawtooth-lattice olivines Zn L2 S4 (L=Er,Tm,Yb)

G. C. Lau, B. G. Ueland, R. S. Freitas, M. L. Dahlberg, P. Schiffer, R. J. Cava

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21 Scopus citations

Abstract

We report the magnetic properties of the Zn L2 S4 (L=Er,Tm,Yb) olivines, in which the magnetic lanthanide ions are in a potentially frustrated geometry consisting of sawtooth chains of corner-sharing triangles. Fits to the high-temperature magnetic susceptibility yielded Curie-Weiss temperatures of θW -4, -13, and -75 K for the Er, Tm, and Yb compounds, respectively. None of the compounds displayed magnetic long-range order above T=1.8 K. The lack of ordering at temperatures near θW may be attributed to either the low dimensionality of the structure or the frustrating effect of the triangular geometry.

Original languageEnglish (US)
Article number012413
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume73
Issue number1
DOIs
StatePublished - 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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