Structural and magnetic properties of mechanochemically synthesized nanosized yttrium titanate
Gusev, Alexey A.
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Nanosized perovskite YTiO3 with mean crystallite size of 18 nm was synthesized for the first time by mechanochemical treatment. The mechanochemical solid state reaction between commercial Y2O3 powder and mechanochemically synthesized TiO powder in molar ratio 0.5:1 was performed over 3 h in a high-energy planetary ball mill in argon atmosphere. Heating in vacuum at 1150 degrees C for 12 h transforms nanosized YTiO3 to a well-crystallized single-phase perovskite YTiO3. Both samples were characterized by X-ray diffraction (XRD) and thermogravimetric (TGA/DTA) analyses, as well as superconducting quantum interference device magnetometer (SQUID) measurements.