Journal
FERROELECTRICS
Volume 432, Issue -, Pages 55-64Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00150193.2012.707843
Keywords
LiV3O8 ceramic powders; characterization
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LiV3O8 ceramic powders have been prepared using a solid state reaction method at different (500 degrees C, 550 degrees C, 600 degrees C and 700 degrees C) temperatures. The X-ray diffraction profiles of these samples show that the ceramic powder sintered at 600 degrees C has a well defined monoclinic structure in a space group of P2(1)/m (11) with lattice parameters, a = 6.68 angstrom, b = angstrom, c = 12.03 angstrom and alpha = gamma = 90 degrees and beta = 107 degrees and it is found to be in good agreement with the JCPDS Card No. 72-1193. The SEM image of this ceramic powder shows the distribution of grains in cylindrical rods form. Thermal (TG) property of as prepared precursor LiV3O8 chemicals has been investigated. Raman and FTIR spectra of the temperature optimized (600 degrees C) ceramic powder have been carried out. Besides this, its dielectric constant (epsilon') and tangent loss as a function of frequency (100 Hz-1 MHz) and conductivities (sigma(ac) and sigma(dc)) have also been understood in evaluating its potentialities for different applications.
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