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, Peter E Schiffer, R. J. Cava

Research output: Contribution to journalArticle

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 - Feb 27 2006

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Lau, G. C., Ueland, B. G., Freitas, R. S., Dahlberg, M. L., Schiffer, P. E., & Cava, R. J. (2006). Magnetic characterization of the sawtooth-lattice olivines Zn L2 S4 (L=Er,Tm,Yb). Physical Review B - Condensed Matter and Materials Physics, 73(1), [012413]. https://doi.org/10.1103/PhysRevB.73.012413