Dhas, Nalamudayan Arul and Patil, Kashinath C (1995) Combustion synthesis and properties of the NASICON family of materials. In: Journal of Materials Chemistry, 5 (9). pp. 1463-1468.
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The fine-particle NASICON family of materials, MZr2P3O12(where M = Na, K, Â½Ca and Â¼Zr) and NbZrP3O12, have been prepared by the combustion of aqueous heterogeneous mixtures of stoichiometric amounts of metal nitrate, zirconyl nitrate, niobium phosphate, diammonium hydrogen phosphate, ammonium perchlorate and carbohydrazide (CH) at 400 Â°C. The formation of NASICON materials was confirmed by powder X-ray diffraction (XRD), IR, solid-state (31P) NMR spectroscopy and thermal expansion coefficient measurements. The combustion-synthesized NASICON powders have an average agglomerate size of 9ï¿½13 µm with a specific surface area varying from 8 to 28 m2 gï¿½1. The powders pelletized and sintered in the range 1100ï¿½1200 °C for 5 h achieved 95ï¿½97% theoretical density and showed fine-grain microstructure. The coefficient of thermal expansion of a sintered compact was measured up to 500 °C and ranged from ï¿½1.5 × 10ï¿½6°Cï¿½1 to 1.0 × 10ï¿½6°Cï¿½1 depending on the composition.
|Item Type:||Journal Article|
|Additional Information:||Copyright of this article belongs to Royal Society of Chemistry.|
|Department/Centre:||Division of Chemical Sciences > Inorganic & Physical Chemistry|
|Date Deposited:||15 Jun 2011 09:18|
|Last Modified:||15 Jun 2011 09:18|
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