Ferroelectric and magnetic properties of Ho2CuTiO6 double perovskite

SB Reddy, KM Kant, KP Rao, M Opel, R Gross… - Journal of Magnetism …, 2006 - Elsevier
SB Reddy, KM Kant, KP Rao, M Opel, R Gross, MSR Rao
Journal of Magnetism and Magnetic Materials, 2006Elsevier
Ho2CuTiO6 double pervoskite is synthesized by solid state reaction method and the phase
formation was confirmed by X-ray diffraction. Ho2CuTiO6 crystallizes in space group P63cm
and are isostructural in AMnO3 structure. We have investigated the effect of the presence of
a magnetic ion (Ho3+∼ 10.4 μB) in Ho2CuTiO6, on the magnetic properties, compared to
that of an isostructural double perovskite containing Y-ion (non-magnetic), ie, Y2CuTiO6.
Magnetization measurements on Ho2CuTiO6 showed paramagnetic moment of 0.026 …
Ho2CuTiO6 double pervoskite is synthesized by solid state reaction method and the phase formation was confirmed by X-ray diffraction. Ho2CuTiO6 crystallizes in space group P63cm and are isostructural in AMnO3 structure. We have investigated the effect of the presence of a magnetic ion (Ho3+∼10.4μB) in Ho2CuTiO6, on the magnetic properties, compared to that of an isostructural double perovskite containing Y-ion (non-magnetic), i.e., Y2CuTiO6. Magnetization measurements on Ho2CuTiO6 showed paramagnetic moment of 0.026μB/Ho at room temperature in an applied field of 7T although no saturation is observed at room temperature, whereas, at 5K, the paramagnetic moment was 0.3μB/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.
Elsevier
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