The invention belongs to the technical field of electronic materials and devices, in particular to a ferroelectric microcrystalline glass ceramic prepared by chemical methods and a thick film material prepared with the ferroelectric glass-ceramic. Said BST does not contain ferroelectric phase (Ba, Sr) TiO: 3 glass ceramics, the main crystal phase composition (Ba: 0.65 Sr: 0.35) TiO: 3, the composition of glass phase for BaO SiO: 2 B case 2: O 3. A ferroelectric thick film material, comprising a substrate, binder and ferroelectric glass ceramics, ferroelectric glass ceramics wherein the said no impurity of the ferroelectric phase (Ba, Sr): TiO 3 glass ceramics. The invention adopts the sol-gel preparation technology of BaO SiO: 2 B: 2 O: 3 glass doped ferroelectric glass ceramics, the sintering temperature is greatly reduced, the preparation of glass ceramics containing no impurity phase, and dielectric constant and pure (Ba, Sr TiO): 3 compared with greatly reduced.
【技术实现步骤摘要】
,Sr)T iO的制作方法
本专利技术属于电子材料与器件
，具体为一种采用化学方法制备的铁电微晶玻璃陶瓷及用这种铁电微晶玻璃陶瓷制备的厚膜材料。
技术介绍
近年来关于铁电玻璃陶瓷的报道有很多，人们主要采用铁电相陶瓷和玻璃相的机械球磨方式混合，再通过传统的熔融淬火工艺已经制造出一批铁电玻璃陶瓷，其中主要包括PbTiO3、BaTiO3、SrTiO3、NaNbO3、LiTaO3等体系。文献Kui Yao，Weiguang Zhu，Liangying Zhang and XiYao，“Effects of glass elements on the structural evolution of in situ grown ferroelectric perovskitecrystals in sol-gel derived glass-ceramics，”Journal of Materials Research，12(4)(1997)1131-1140、K.Yao，L.Y.Zhang，X.Yao，W.G.Zhu，“Preparation and propert...
【技术保护点】
一种不含杂相的铁电（Ｂａ，Ｓｒ）ＴｉＯ↓［３］微晶玻璃陶瓷，其主晶相的组成为（Ｂａ↓［０．６５］Ｓｒ↓［０．３５］）ＴｉＯ↓［３］，玻璃相的组成为ＢａＯ－ＳｉＯ↓［２］－Ｂ↓［２］Ｏ↓［３］。
【技术特征摘要】
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