Effect of Heat Treatment Temperature on the Formation of Ag Nanoparticles in Ag-PbTiO3 Composite Thin Films

被引：2
|
作者：
Wang, Zongrong [1 ]
Hu, Tao [1 ]
Tang, Liwen [1 ]
Song, Chenlu [1 ]
Han, Gaorong [1 ]
Weng, Wenjian [1 ]
Ma, Ning [1 ]
Du, Piyi [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
FERROELECTRICS | 2009年 / 387卷
关键词：
Composite thin films; Ag nanoparticles; effect of temperature; sol-gel method; DIELECTRIC-PROPERTIES; NANOCOMPOSITES; TITANATE;
D O I：
10.1080/00150190902966727
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ag-nanoparticles dispersed PbTiO3 composite thin films were prepared in situ by sol-gel method. The effect of heat treatment temperature on the microstructure was investigated using XRD, SEM and UV-VIS absorption spectra respectively. Results indicated that PbTiO3 began to crystallize at about 350 degrees C and the highest speed of the formation of PbTiO3 crystalline phase in the film appeared at 600 degrees C. Ag-nanoparticles formed at above 450 degrees C in the films and the maximum of the nanoparticle content was exhibited at 600 degrees C. The permittivity of the thin films with large numbers of nanoparticles is about 3 times higher than those without Ag-nanoparticles.
引用
收藏
页码：161 / 166
页数：6
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