期刊
CRYSTAL RESEARCH AND TECHNOLOGY
卷 51, 期 4, 页码 299-305出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/crat.201600020
关键词
floating zone technique; perovskites; x-ray diffraction; magnetocrystalline anisotropy
资金
- Institutional Strategy of the University of Cologne within the German Excellence Initiative
SrRuO3 is a highly interesting material due to its anomalous-metal properties related with ferromagnetism and its relevance as conductive perovskite layer or substrate in heterostructure devices. We have used optical floating zone technique in an infrared image furnace to grow large single crystals of SrRuO3 with volumes attaining several hundred mm(3). Crystals obtained for optimized growth parameters exhibit a high ferromagnetic Curie temperature of 165 K and a low-temperature magnetization of 1.6 mu(B) at a magnetic field of 6 T. The high quality of the crystals is further documented by large residual resistance ratios of 75 and by crystal structure and chemical analyzes. With these crystals the magnetic anisotropy could be determined.
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