A transition from antiferromagnetism to spin-glass freezing in single crystalline, Dy2PdSi3

Details A transition from antiferromagnetism to spin-glass freezing in single crystalline, Dy2PdSi3 A transition from antiferromagnetism to spin-glass freezing in single crystalline, Dy2PdSi3

2004-12-15

arxiv.org/abs/cond-mat/0412387v1

Proceedings of DAE (India) symposium to be held in December 2004

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

We report low temperature (1.8-15 K) ac magnetic susceptibility and isothermal remanent magnetization behavior for the single crystalline form of Dy2PdSi3, crystallizing in a AlB2-derived hexagonal structure, for two orientations. The results, while confirming the existence of two magnetic transitions, one at 8 K and the other at 2.5 K, as inferred from previous dc magnetization studies, suggest that the 2.5K-transition is spin-glass-like, with an interesting sensitivity to the application of an external dc magnetic field. Thus, this compound appears to undergo a transition from antiferromagnetism to spin-glass freezing as the temperature is lowered.

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