Preparation of ultrafine LiTaO3 powders by citrate gel method
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A gel was formed when a aqueous solution of Li(NO3), TaF5 and citric acid in stoichiometric ratio was heated in a water bath. This gel on decomposition at 700°C produced fine crystallites of ternary oxide, LiTaO3 (LT). The phase contents and lattice parameters were studied by powder X-ray diffraction (XRD). Particle size and morphology were studied by transmission electron spectroscopy (TEM).
KeywordsCeramics electronic materials electron microscopy X-ray diffraction
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- Gaikwad S P, Samuel V, Pasricha R and Ravi V 2004Mater. Lett. 58 3728Google Scholar