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

doi:10.1103/PhysRevB.73.012413

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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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 language	English (US)
Article number	012413
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	73
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.73.012413
State	Published - 2006

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.73.012413

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

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.",

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AU - Lau, G. C.

AU - Ueland, B. G.

AU - Freitas, R. S.

AU - Dahlberg, M. L.

AU - Schiffer, P.

AU - Cava, R. J.

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AB - 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.

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

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