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Studies on ZrO/sub 2/:TiO/sub 2/ system: synthesis and properties of ZrTiO/sub 4/ and Zr/sub 5/Ti/sub 7/O/sub 24/

Muthuraman, M and Patil, KC (1997) Studies on ZrO/sub 2/:TiO/sub 2/ system: synthesis and properties of ZrTiO/sub 4/ and Zr/sub 5/Ti/sub 7/O/sub 24/. In: International Journal of Self-Propagating High-Temperature Synthesis, 6 (1). pp. 83-90.

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Abstract

Fine-particle zirconium titanates, ZrTiO/sub 4/ and Zr/sub 5/Ti/sub 7/O/sub 24/, have been synthesized by the solution combustion process using corresponding metal nitrates and tetraformal trisazine [TFTA]/carbohydrazide [CH]. Combustion-derived products are weakly crystalline with anatase TiO/sub 2/ as impurity. Fully crystalline zirconium titanates could be obtained by calcination at 1200 degrees C for 2 hr. The CH-derived products have lower surface area (10-15 m/sup 2//g) compared to TFTA-derived products (45-90 m/sup 2//g). Zirconium titanates could be sintered >95% of theoretical density at low sintering temperature ( approximately=1375 degrees C) without any additives. The sintered zirconium titanates show dielectric constant of 20-35 and very low dielectric loss 2-7*10/sup -4/ Number of references:12

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Allerton Press.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 16 Jul 2007
Last Modified: 27 Aug 2008 12:41
URI: http://eprints.iisc.ernet.in/id/eprint/10116

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