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中文摘要：
复合钙钛矿铌镁酸铅(PMN)和铌锌酸铅(PZN)弛豫铁电陶瓷由于其独特介电、压电以及非线性光学性能等而备受关注，本项目旨在探索该类材料二维膜结构的水热低温制备工艺及特性。这类材料采用一般高温烧结较难获得纯钙钛矿结构，总会伴随有焦绿石相，如何在低温下制备出纯钙钛矿结构PMN和PZN就成了本项目关键所在。我们采用难溶性氧化物为原料，在低温水热下合成出了粒径较小、粒度分布均匀的纯钙钛矿结构PMN和PZN粉体，获得了其水热制备条件以及粉体的结构与形貌的演化规律。发现矿化剂浓度、反应时间和反应温度对产物的晶体结构和微观形貌有着重要影响，在水热系统中，PMN粉体和PZN粉体的形成机制遵循"溶解-结晶-长大"的机制。然后利用水热制备二维膜材料具有对基底的形状、大小没有要求，所制备的二维膜材料又在低温下完成，可降低膜与基底之间的应力，减少由该应力导致的微裂纹，最终实了现以金属钛为基底在150摄氏度下制备纯钙钛矿结构系列弛豫铁电厚膜，揭示了矿化剂浓度和反应时间对其结构和性能的影响规律，掌握了矿化剂浓度调控机理和作用，优化工艺参数后得到组织稳定厚膜材料，其厚度达20微米，具有良好介电性能和典型弛豫特征。
结论摘要：
英文主题词Complex perovskites; PMN; PZN; hydrothermal process; two-dimensional films
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期刊论文
Electromagnetic Transmission Property in Split-Ring Resonators at Microwave Frequency by Finite Diff
Polaron relaxation associated with the localized oxygen vacancies in Ba0.85Sr0.15TiO3 ceramics at hi
Oxygen vacancy-induced aging of Mn-doped Ba0.8Sr0.2TiO3 ceramics in paraelectric and ferroelectric s
Effects of Na/K evaporation on electrical properties and intrinsic defects in Na0.5K0.5NbO3 ceramics
Electrostatic spray deposited polycrystalline zinc oxide films for ultraviolet luminescence device a
Relaxor behavior and dielectric properties of lead magnesium niobate-lead titanate thick films prepa
Synthesis and formation mechanisms of high aspect ratio platelike NaNbO3 particles by topochemical m
Bi3.25La0.75Ti3O12 powders by the complex polymerization method: synthesis, characterization and mor
Electrical properties and microstructural characteristics of nonstoichiometric CaCu3xTi4O12 ceramics
Microstructure and dielectric properties of La2O3 films prepared by ion beam assistant electron-beam
Anomalous phase formation during annealing of La2O3 thin films deposited by ion beam assisted electr
The dielectric properties and the relaxation phase transition of copper substituted SrBi2Nb2O9 ferro
Optical and electrical properties of La2O3 films prepared by ion beam assistant electron beam evapor
Effect of sintering temperature on the structure and properties of cerium-doped 0.94(Bi0.5Na0.5)TiO3
Lorentz-type relationship of the temperature dependent dielectric permittivity in ferroelectrics wit
Effects of depositing temperatures on structure and optical properties of TiO2 film deposited by ion
Preparation and electrical properties of BST thick film deposited by electrophoretic deposition meth
Structural and electric properties of barium strontium titanate based ceramic composite as a humidit
Preparation and characterization of relaxor-based ferroelectric thick films with single perovskite s
Preparation and characterization of perovskite Pb(Mg1/3Nb 2/3)O3-PbTiO3 by a modified polymerized co
Microstructure and electrical properties of the rare-earth doped 0.94Na0.5Bi0.5TiO3-0.06BaTiO3 piezo
Low-temperature fabrication and crystallization behavior of Pb(Mg1/3Nb2/3O3) crystallites by a hydro
Optimizing design of the microstructure of sol-gel derived BaTiO 3 ceramics by artificial neural net
Dielectric, ferroelectric properties, and grain growth of CaxBa1-xNb2O6 ceramics with tungsten-bronz
Structure and electric properties of poly(vinylidene fluoride-tetrafluoroethylene) copolymer studied
Structure, phase transition and electric properties of poly(vinylidene fluoride-trifluoroethylene) c
Epitaxial growth and electrical characterization of PBZT thin films by RF magnetron sputtering depos
Modeling the Al2O3 particle-polymer composites for the packaging of the shock-wave pulsed transducer
会议论文
Preparation and characterization of relaxor-based ferroelectric thick films with single perovskite s
Theoretical Arithmetic and Optimal Design of 0-3 Composites for the electronic Packaging of Piezoele
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