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Title: NdFeO3 nanocrystals under glycine nitrate combustion formation
Authors: Tugova, Ekaterina
Yastrebov, Sergey
Karpov, Oleg
Smith, Roger
Issue Date: 2017
Publisher: © Elsevier
Citation: TUGOVA, E. ...et al., 2017. NdFeO3 nanocrystals under glycine nitrate combustion formation. Journal of Crystal Growth, 467, pp. 88-92.
Abstract: © 2017 Elsevier B.V.Nanocrystalline perovskite NdFeO3 with the orthorhombic structure was prepared by a glycine nitrate combustion method under different technological conditions. The starting materials Fe(NO3)3·9H2O,Nd(NO3)3·6H2O in stoichiometric amounts and H2NCH2COOH were used. These quantities were varied by changing the ratio of glycine moles to metal nitrate moles (G/N) in the range between 0.25 and 0.75. The prepared NdFeO3 nanocrystals were characterised by X-ray diffraction (XRD) and electron microscopy. Decomposition of the XRD diffraction profile using Voigt contours was exploited for analysis of the pattern in the area where the most prominent diffraction peak was situated. We demonstrate that Voigt functions reduce to Lorentzians for G/N = 0.75 and 0.55. A volume-weighted diameter distribution function was derived using the width of the Lorentzians. The log-normal shape of the distribution is discussed in terms of the model, assuming exponential growth of cluster size in the time available for the NdFeO3 nanograin to grow.
Description: This paper is in closed access until 21st March 2018.
Sponsor: The study was financially supported by the Russian Science Foundation (project no. 16-13-10252).
Version: Accepted for publication
DOI: 10.1016/j.jcrysgro.2017.03.022
URI: https://dspace.lboro.ac.uk/2134/25149
Publisher Link: http://dx.doi.org/10.1016/j.jcrysgro.2017.03.022
ISSN: 0022-0248
Appears in Collections:Closed Access (Maths)

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