Observation of tunable exchange bias in Sr$_2$YbRuO$_6$

Details Observation of tunable exchange bias in Sr$_2$YbRuO$_6$ Observation of tunable exchange bias in Sr$_2$YbRuO$_6$

2010-09-08

arxiv.org/abs/1009.1554v1

Applied Physics Letters 97, 182505 (2010)

Physics

Condensed Matter

Materials Science

4 Pages, 4 Figures

Scientific paper

10.1063/1.3505525

The double perovskite compound, Sr$_{2}$YbRuO$_{6}$, displays reversal in the orientation of magnetic moments along with negative magnetization due to an underlying magnetic compensation phenomenon. The exchange bias (EB) field below the compensation temperature could be the usual negative or the positive depending on the initial cooling field. This EB attribute has the potential of getting tuned in a preselected manner, as the positive EB field is seen to crossover from positive to negative value above $T_{\mathrm{comp}}$.

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