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In-situ high-temperature X-ray diffraction studies of non-stoichiometric Ni-Zr substituted barium hexagonal ferrites prepared by citrate precursor route

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Title In-situ high-temperature X-ray diffraction studies of non-stoichiometric Ni-Zr substituted barium hexagonal ferrites prepared by citrate precursor route
 
Creator BAHADUR, D
FISCHER, W
RANE, MV
 
Subject thermal-expansion behavior
broadening analysis
hexaferrite
barium hexagonal ferrites
citrate precursor route
x-ray diffraction
 
Description 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. .
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-07-28T09:54:34Z
2011-12-26T12:58:56Z
2011-12-27T05:49:39Z
2011-07-28T09:54:34Z
2011-12-26T12:58:56Z
2011-12-27T05:49:39Z
1998
 
Type Article
 
Identifier MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 252(1), 109-116
0921-5093
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
 
Language en