Abstract
Ho 2CuTiO 6 double pervoskite is synthesized by solid state reaction method and the phase formation was confirmed by X-ray diffraction. Ho 2CuTiO 6 crystallizes in space group P63 cm and are isostructural in AMnO 3 structure. We have investigated the effect of the presence of a magnetic ion (Ho 3+∼10.4μ B) in Ho 2CuTiO 6, on the magnetic properties, compared to that of an isostructural double perovskite containing Y-ion (non-magnetic), i.e., Y 2CuTiO 6. Magnetization measurements on Ho 2CuTiO 6 showed paramagnetic moment of 0.026μ B/Ho at room temperature in an applied field of 7 T although no saturation is observed at room temperature, whereas, at 5 K, the paramagnetic moment was 0.3μ B/Ho in the same field. Since this compound is non-centrosymmetric, it is of interest to look into the possibility of realizing multiferroicity (coexistence of magnetic and ferroelectric properties) in these double perovskite systems, especially the Ho-containing compound, for possible applications.
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