A Raman Scattering Study of PbTiO3 and TiO2 Obtained by Sol-Gel

被引：0
|
作者：
D. Bersani
P.P. Lottici
T. Lopez
Xing-Zhao Ding
机构：
[1] University,Istituto Nazionale per la Fisica della Materia and Physics Department
[2] Universidad Autonoma Metropolitana-Iztapalapa,Departamento de Química
[3] Shanghai Institute of Metallurgy,Ion Beam Laboratory
[4] Chinese Academy of Sciences,undefined
来源：
Journal of Sol-Gel Science and Technology | 1998年 / 13卷
关键词：
Raman; TiO2; PbTiO3-nanocrystals;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The mechanisms that give rise to the broadening and the shifts of the Raman peaks of titanium dioxide and lead titanate nanocrystals prepared by sol-gel are discussed. Phonon confinement and oxygen deficiency are competitive mechanisms in TiO2 obtained by different sol-gel preparations whereas pressure effects on the nanocrystals predominate in ferroelectric PbTiO3.
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页码：849 / 853
页数：4
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