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peroxide precursor
相关语句
  相似匹配句对
     METHYL METHACRYLATE PEROXIDE
     甲基丙烯酸甲酯过氧化物
短句来源
     SEISMOMAGNETIC PRECURSOR RESEARCH
     震磁前兆研究
短句来源
     INDUCED EARTHQUAKE AND PRECURSOR
     诱发地震与诱发性前兆
短句来源
     DISCUSSION ON THE CHROMIUM PEROXIDE
     谈谈铬的过氧化物
短句来源
     Studies on the Precursor Aldehyde Peroxides
     醛类潜香-二聚醛过氧化物研究
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Nanocrystalline BaTiO3 with diameter of particles less than 30 nm was prepared by the pyrolysis of peroxide.The composition of the peroxide precursor was determined, and the condition of preparing nanocrystalline by the pyrolysis of peroxide was identified,the crystalline structure,defect and domain structure were studied by XRD and TEM methods.

BaTiO_3纳米晶的制备和结构方佑龄,赵文宽,邹化民,王仁卉(武汉大学化学系,武汉大学物理系,武汉,430072)关键词钛酸钡纳米晶,过氧化物,制备,结构BaTiO3具有高介电常数及优异的铁电、压电性能,是一种重要的电子陶瓷材料,因此,对其纳米晶的?..

Ordered arrays with a face-centered cubic lattice of PLZT-SiO_2 composites were fabricated by synchronous-assembly approach because it′s simplicity to form opal-like PCs and that avoids the complicated multi-step procedures.Global PLZT particles in the range of 20nm to 40nm were obtained by decomposition of PLZT peroxide precursor.Ultra fine particles can be simultaneously packed around the colloid spheres to form opal of core-shell structure when the solvent is removed through evaporation at 60℃.Mass...

Ordered arrays with a face-centered cubic lattice of PLZT-SiO_2 composites were fabricated by synchronous-assembly approach because it′s simplicity to form opal-like PCs and that avoids the complicated multi-step procedures.Global PLZT particles in the range of 20nm to 40nm were obtained by decomposition of PLZT peroxide precursor.Ultra fine particles can be simultaneously packed around the colloid spheres to form opal of core-shell structure when the solvent is removed through evaporation at 60℃.Mass ratio of silica to PLZT in the mixture is 10:1 while the concentration of silica is 0.25%.Compact shells of PLZT are obtained after being calcined at 650℃ for 12h.

应用纳米共组装法制备了掺镧锆钛酸铅———二氧化硅复合体面心立方有序阵列。采用过氧化物热分解法制得了粒径在20~40nm范围内分布的PLZT纳米球形颗粒,配制SiO2与PLZT的质量比为10:1的乙醇混合液,其中SiO2浓度v/v0为0.25%,60℃随溶剂蒸发实现了PLZT纳米晶粒与亚微米二氧化硅胶体小球同时自组装成为壳核结构的有序阵列且经650℃焙烧12h后使PLZT壳层致密化。

 
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