Effects of particles size on the vibrational modes of ultrafine lead titanate particles

被引：8

作者：

Zhou, QF

Zhang, JX

Chan, HLW

Choy, CL

机构：

[1] HONG KONG POLYTECH UNIV,DEPT APPL PHYS,KOWLOON,HONG KONG

[2] HONG KONG POLYTECH UNIV,MAT RES CTR,KOWLOON,HONG KONG

来源：

FERROELECTRICS | 1997年 / 195卷 / 1-4期

关键词：

D O I：

10.1080/00150199708260523

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of particle size on the Raman spectra of ultrafine lead titanate (PbTiO3) particles are reported in this paper. Samples with different particles sizes were prepared by the sol-gel process using different calcination temperatures. The size of the particles was determined by X-ray diffraction with the aid of Scherrer's equation, and the vibration modes were studied at room temperature by Raman scattering. The Raman peaks exhibit downshift in frequency, broadening and intensity changes with decreasing particle size.

引用

页码：211 / 214

页数：4

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