Uniaxial-Pressure Induced Ferromagnetism of Enhanced Paramagnetic Sr3Ru2O7
- 15 May 2004
- journal article
- research article
- Published by Physical Society of Japan in Journal of the Physics Society Japan
- Vol. 73 (5) , 1322-1325
- https://doi.org/10.1143/jpsj.73.1322
Abstract
We report a uniaxial pressure-dependence of magnetism in layered perovskite strontium ruthenate Sr 3 Ru 2 O 7 . By applying a relatively small uniaxial pressure, greater than 0.1 GPa normal to the RuO 2 layer, ferromagnetic ordering manifests below 80 K from the enhanced-paramagnet. Magnetization at 1 kOe and 2 K becomes 100 times larger than that under ambient condition. Uniaxial pressure dependence of Curie temperature T C suggests the first order magnetic transition. Origin of this uniaxial-pressure induced ferromagnetism is discussed in terms of the rotation of RuO 6 octahedra within the RuO 2 plane.Keywords
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