Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/xmlui/handle/10054/7369
Title: In-situ high-temperature X-ray diffraction studies of non-stoichiometric Ni-Zr substituted barium hexagonal ferrites prepared by citrate precursor route
Authors: BAHADUR, D
FISCHER, W
RANE, MV
Keywords: Thermal-Expansion Behavior
Broadening Analysis
Hexaferrite
Issue Date: 1998
Publisher: ELSEVIER SCIENCE SA
Citation: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 252(1), 109-116
Abstract: The mechanism of evolution of hexaferrite has been studied in non-stoichiometric Ni-Zr substituted barium ferrites using the technique of in-situ high-temperature X-ray diffraction. Vacancies in the lattice and a small excess of Ba2+ have been found to aid phase formation at lower temperatures. Furthermore, the mechanism of hexaferrite formation is different in non-stoichiometric compositions as compared to the stoichiometric samples. The thermal expansion data shows lowering of the thermal expansion coefficients due to relaxing of bonds in non-stoichiometric compositions. (C) 1998 Elsevier Science S.A. .
URI: http://dx.doi.org/10.1016/S0921-5093(98)00653-4
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7369
http://hdl.handle.net/10054/7369
ISSN: 0921-5093
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