Magnetic characterization of the sawtooth-lattice olivines ZnL2S4 (L=Er,Tm,Yb) -: art. no. 012413

被引：26

作者：

Lau, GC ^{[1
]}

Ueland, BG

Freitas, RS

Dahlberg, ML

Schiffer, P

Cava, RJ

机构：

[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA

[2] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[3] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.73.012413

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the magnetic properties of the ZnL2S4 (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(W)approximate to-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(W) may be attributed to either the low dimensionality of the structure or the frustrating effect of the triangular geometry.

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