Fabrication and Electrical Properties of Bi_4Ti_3O_<12> Ceramics by Spark Plasma Sintering
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概要
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Spark plasma sintering (SPS) was applied to the production of non-lead ferroelectric Bi_4Ti_3O_<12> ceramics. A powder compact of a calcined oxide mixture was embedded in a mixture of ZrO_2 and Sb-doped SnO_2 powders in a carbon die and heated for a very short duration under a constant current of 450 A. This process led to the rapid densification of the sample with the simultaneous elongation and coarsening of grains in the sintered body. When a coprecipitated precursor was used as the starting powder, a grain-oriented sample was readily obtained by the SPS method. A strong anisotropy in electrical properties was observed for the grain-oriented Bi_4Ti_3O_<12> ceramics.
- 社団法人応用物理学会の論文
- 1999-09-30
著者
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TAKAHASHI Junichi
Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
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Shimada S
Division Of Materials Science And Engineering Graduate School Of Engineering Hokkaido University
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Kageyama Keisuke
Electronics Components Division Sumitomo Metal Industries Ltd.
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Kawano Syuichi
Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
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Shimada Shiro
Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University
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Kawano Syuichi
Division Of Materials Science And Engineering Graduate School Of Engineering Hokkaido University
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Takahashi Junichi
Division Of Materials Chemistry Graduate School Of Engineering Hokkaido University
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Takahashi Junichi
Division Of Materials Science And Engineering Graduate School Of Engineering Hokkaido University
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