2009 Fiscal Year Final Research Report
Elucidation of Physical Properties of Novel Barium Titanate and Development of Process Technology for Application
| Project/Area Number |
19360299
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Shimane University |
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Principal Investigator |
AKISHIGE Yukikuni Shimane University, 教育学部, 教授 (30150981)
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| Co-Investigator(Kenkyū-buntansha) |
MATSUMOTO Ichiro 島根大学, 教育学部, 准教授 (30335541)
SHIGEMATSU Hirotake 島根大学, 教育学部, 准教授 (40281068)
XU Jun 島根大学, プロジェクト研究推進機構, 研究員 (30448203)
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| Project Period (FY) |
2007 – 2009
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| Keywords | 誘電体物性 / セラミックス / 単結晶育成 / ナノ材料 / 配向制御 / 鉛フリー |
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| Research Abstract |
On novel barium titanate (BaTi_2O_5), which is difficult to synthesize because it decomposes at high temperatures, we tried to develop process technology for application. By using sol-gel powders as a starting material and a Spark Plasma Sintering technique, dense and orientated ceramics were synthesized. Furthermore, by using MnO_2 as sintering-additives, dense ceramics were successfully synthesized without using any special sintering techniques. In KF-doped BaTi_2O_5, the Curie-temperature T_C steeply decreases with increasing content of KF, and a relaxor state appears. Single crystals with 3-5 mm in length were obtained.
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Research Products
(20 results)
