Magnetic characterization of the sawtooth-lattice olivines ZnL{sub 2}S{sub 4} (L=Er,Tm,Yb)
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544 (United States)
- Department of Physics and Materials Research Institute, Pennsylvania State University, University Park, Pennsylvania 16802 (United States)
We report the magnetic properties of the ZnL{sub 2}S{sub 4} (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 {theta}{sub W}{approx_equal}-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 {theta}{sub W} may be attributed to either the low dimensionality of the structure or the frustrating effect of the triangular geometry.
- OSTI ID:
- 20787809
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Issue: 1 Vol. 73; ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- English
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