Chemisorption of Yttrium Nitrate on AIN Particles

Homogenization of Y2O3 as a sintering additive in AlN green compact has been achieved by chemisorption of Y(NO3)3 on AlN particles in isopropanol suspension. Substantial adsorption of Y(NO3)3 equivalent to a Y2O3 content up to a maximum of 1.4 wt% of AlN has been observed. Electrokinetic mobility me...

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Veröffentlicht in:Journal of the American Ceramic Society 2004-04, Vol.87 (4), p.749
Hauptverfasser: Mukhopadhyay, Ranta, Maiti, Himadri S, Biswas, Sampad K
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Maiti, Himadri S
Biswas, Sampad K
description Homogenization of Y2O3 as a sintering additive in AlN green compact has been achieved by chemisorption of Y(NO3)3 on AlN particles in isopropanol suspension. Substantial adsorption of Y(NO3)3 equivalent to a Y2O3 content up to a maximum of 1.4 wt% of AlN has been observed. Electrokinetic mobility measurements of the coated particles and the adsorption studies show that the adsorption takes place in isopropanol suspension. SEM shows a good homogeneous distribution of Y2O3 in the green ceramic compacts, and no trace of secondary crystallization has been observed. [PUBLICATION ABSTRACT]
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subjects Atoms & subatomic particles
Chemistry
Nitrates
Sorption
title Chemisorption of Yttrium Nitrate on AIN Particles
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