Comparison of Ba(OH)2, BaO, and Ba as Starting Materials for the Synthesis of Barium Titanate by the Alkoxide Method

Pradeep P. Phule; Srini Raghavan; Subhash H. Risbud

doi:10.1111/j.1151-2916.1987.tb05016.x

Comparison of Ba(OH)₂, BaO, and Ba as Starting Materials for the Synthesis of Barium Titanate by the Alkoxide Method

Pradeep P. Phule, Srini Raghavan, Subhash H. Risbud

Materials Science and Engineering

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Abstract

A discussion of the relative merits and problems of using Ba(OH)₂, BaO, and Ba as starting materials for the synthesis of barium titanate by the alkoxide method is presented. The Ba(OH)₂ process is promising because it does not involve the synthesis of barium alkoxide, whereas the BaO (93% pure) process suffers from complex chemical reactions; the impurities in BaO cause unknown effects on the composition and properties of the final ceramic. Use of high‐purity Ba metal (99.99%) for the synthesis of barium alkoxide is more desirable since it results in high‐purity, ultrafine barium titanate powders.

Original language	English (US)
Pages (from-to)	C‐108-C‐109
Journal	Journal of the American Ceramic Society
Volume	70
Issue number	5
DOIs	https://doi.org/10.1111/j.1151-2916.1987.tb05016.x
State	Published - May 1987

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1987.tb05016.x

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abstract = "A discussion of the relative merits and problems of using Ba(OH)2, BaO, and Ba as starting materials for the synthesis of barium titanate by the alkoxide method is presented. The Ba(OH)2 process is promising because it does not involve the synthesis of barium alkoxide, whereas the BaO (93% pure) process suffers from complex chemical reactions; the impurities in BaO cause unknown effects on the composition and properties of the final ceramic. Use of high‐purity Ba metal (99.99%) for the synthesis of barium alkoxide is more desirable since it results in high‐purity, ultrafine barium titanate powders.",

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AB - A discussion of the relative merits and problems of using Ba(OH)2, BaO, and Ba as starting materials for the synthesis of barium titanate by the alkoxide method is presented. The Ba(OH)2 process is promising because it does not involve the synthesis of barium alkoxide, whereas the BaO (93% pure) process suffers from complex chemical reactions; the impurities in BaO cause unknown effects on the composition and properties of the final ceramic. Use of high‐purity Ba metal (99.99%) for the synthesis of barium alkoxide is more desirable since it results in high‐purity, ultrafine barium titanate powders.

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Comparison of Ba(OH)₂, BaO, and Ba as Starting Materials for the Synthesis of Barium Titanate by the Alkoxide Method

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