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Studies in the Ba-Ca-Al-O System Chemical Modification of Aluminum Alkoxide by Propionic Acid

Published online by Cambridge University Press:  28 February 2011

V. Hebert
Affiliation:
I.P.C.M.S., Groupe des Matérlaux Inorganlques, Ehics, 1 rue Blaise Pascal, 67008 Strasbourg Cedex, France
S. Vilminot
Affiliation:
I.P.C.M.S., Groupe des Matérlaux Inorganlques, Ehics, 1 rue Blaise Pascal, 67008 Strasbourg Cedex, France
D. Brion
Affiliation:
Thomson Tubes Electroniques, 2 rue Latécoëre, Velizy-Villacoublay, France
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Abstract

Barium and calcium aluminate powders have been elaborated using chemical methods like coprecipitation, alkoxide polymerization and metalloorganic decomposition. These powders have been successfully used for impregnation of porous tungsten cathodes for use in electronic tubes. Spectroscopic studies on the modification of aluminum s-butoxide reveal that carboxylic acid substitutes OR groups forming preferentially bidentate chelating complexes.

Type
Research Article
Copyright
Copyright © Materials Research Society 1990

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References

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