Raman scattering study of PbTiO3 and TiO2 obtained by sol-gel

被引：27

作者：

Bersani, D

Lottici, PP

Lopez, T

Ding, XZ

机构：

[1] Univ Parma, Ist Nazl Fis Mat, I-43100 Parma, Italy

[2] Univ Parma, Dept Phys, I-43100 Parma, Italy

[3] Univ Autonoma Metropolitana Iztapalapa, Dept Quim, Mexico City 09340, DF, Mexico

[4] Chinese Acad Sci, Shanghai Inst Met, Ion Beam Lab, Shanghai 200050, Peoples R China

来源：

JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 1998年 / 13卷 / 1-3期

关键词：

Raman; TiO2; PbTiO3-nanocrystals;

D O I：

10.1023/A:1008602718987

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

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.

引用

页码：849 / 853

页数：5