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Properties of sol-gel derived strontium barium niobate ceramics and the effect of V2O5 additive
Strontium barium niobate, SrxBa1−xNb2O6, (SBN) ceramics with a range of Sr/Ba ratios were fabricated using a solution chemistry approach with alkoxides dissolved in acetic acid. Powders obtained from dried gels were calcined at 800°C for three hours, a heat treatment that produced fully crystalline...
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| Published in: | Journal of materials science 2001-11, Vol.36 (22), p.5519-5527 |
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| Main Authors: | , |
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| Language: | English |
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| container_end_page | 5527 |
| container_issue | 22 |
| container_start_page | 5519 |
| container_title | Journal of materials science |
| container_volume | 36 |
| creator | ORAL, A. Y MECARTNEY, M. L |
| description | Strontium barium niobate, SrxBa1−xNb2O6, (SBN) ceramics with a range of Sr/Ba ratios were fabricated using a solution chemistry approach with alkoxides dissolved in acetic acid. Powders obtained from dried gels were calcined at 800°C for three hours, a heat treatment that produced fully crystalline powders. After preparing bulk ceramics from these powders by sintering at 1200°C for 1–24 hours, the tetragonal tungsten bronze (TTB) phase was present in all compositions between 0 ≤ x≤ 1, although not predicted by the phase diagram for BaNb2O6and SrNb2O6. Vanadium pentoxide (V2O5) additions increased the densification, the amount of tungsten bronze phase, and the dielectric constant for all compositions except for Sr0.65Ba0.35Nb2O6(SBN65) ceramics. |
| doi_str_mv | 10.1023/A:1012470722910 |
| format | article |
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Vanadium pentoxide (V2O5) additions increased the densification, the amount of tungsten bronze phase, and the dielectric constant for all compositions except for Sr0.65Ba0.35Nb2O6(SBN65) ceramics.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1023/A:1012470722910</identifier><identifier>CODEN: JMTSAS</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Acetic acid ; Alkoxides ; Applied sciences ; Building materials. Ceramics. 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Vanadium pentoxide (V2O5) additions increased the densification, the amount of tungsten bronze phase, and the dielectric constant for all compositions except for Sr0.65Ba0.35Nb2O6(SBN65) ceramics.</description><subject>Acetic acid</subject><subject>Alkoxides</subject><subject>Applied sciences</subject><subject>Building materials. Ceramics. 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After preparing bulk ceramics from these powders by sintering at 1200°C for 1–24 hours, the tetragonal tungsten bronze (TTB) phase was present in all compositions between 0 ≤ x≤ 1, although not predicted by the phase diagram for BaNb2O6and SrNb2O6. Vanadium pentoxide (V2O5) additions increased the densification, the amount of tungsten bronze phase, and the dielectric constant for all compositions except for Sr0.65Ba0.35Nb2O6(SBN65) ceramics.</abstract><cop>Heidelberg</cop><pub>Springer</pub><doi>10.1023/A:1012470722910</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
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| issn | 0022-2461 1573-4803 |
| language | eng |
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| source | Springer Nature |
| subjects | Acetic acid Alkoxides Applied sciences Building materials. Ceramics. Glasses Ceramic industries Ceramic powders Ceramics Chemical industry and chemicals Composition Condensed matter: electronic structure, electrical, magnetic, and optical properties Densification Dielectric properties of solids and liquids Dielectric, piezoelectric, ferroelectric and antiferroelectric materials Dielectrics, piezoelectrics, and ferroelectrics and their properties Electrotechnical and electronic ceramics Exact sciences and technology Gels Heat treatment Materials science Niobates, titanates, tantalates, pzt ceramics, etc Organic chemistry Permittivity (dielectric function) Phase diagrams Physics Sintering (powder metallurgy) Sol-gel processes Strontium Strontium barium niobate Technical ceramics Tungsten bronze Vanadium pentoxide |
| title | Properties of sol-gel derived strontium barium niobate ceramics and the effect of V2O5 additive |
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