Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 124, Issue 2-3, Pages 1232-1238Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2010.08.063
Keywords
Chemical synthesis; X-ray diffraction topography; Electron microscope; Phase transition
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Funding
- Natural Science and Engineering Research Council of Canada (NSERC)
- National Natural Science Foundation of China [20725310, 91022020]
- National Basic Research Program of China [2007CB815303]
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Barium titanate (BaTiO3) nanoparticles with various particle sizes were prepared by a solvothermal method X-ray powder diffraction (XRPD) patterns show that the as-prepared powders are of pure perovskite BaTiO3 Scanning electron microscopy (SEM) reveals that all the particles of BaTiO3 with different sizes are dispersed homogenously and have uniform size The room temperature and in situ high temperature XRD analyses indicate that both the proportion of the tetragonal phase and the Curie temperature of BaTiO3 Increase with increasing particles size The effects of the reaction parameters such as the concentration of reactants the polarity of solvent the reaction temperature and the amount of surfactant on the size morphology and uniformity of BaTiO3 nanoparticles are studied in detail (C) 2010 Elsevier B V All rights reserved
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