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X-Ray Diffraction and Electric Measurements of Phase Transformation in Li-Mn Spinels

Journal Solid State Phenomena (Volume 130)
Volume APPLIED CRYSTALLOGRAPHY XX
Edited by Danuta Stróż & Małgorzata Karolus
Pages 63-68
DOI 10.4028/www.scientific.net/SSP.130.63
Citation J. Pielaszek et al., 2007, Solid State Phenomena, 130, 63
Online since December, 2007
Authors J. Pielaszek, J.R. Dygas, F. Krok, D. Lisovytskiy, Monika Kopeć, M. Marzantowicz
Keywords Electric Measurements, Lithium-Manganese Spinels, Phase Transformation, X-Ray Diffraction (XRD)
Abstract

Laboratory prepared and commercial Li-Mn spinels were studied. Making use of the dedicated XRD-impedance spectroscopy experimental set-up, direct correlations of the degree of phase transformation (expressed as change of the FWHM of the selected reflection) with electric conductivity was found. Independent XRD measurements and full pattern fitting allowed quantitative estimations of the phase composition of the spinels. It was found that commercial spinels were in fact multiphase, with the content of the additional phase of few weight percent.

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