Raman study of morphotropic phase boundary in PbZr1-xTixO3 at low temperatures -: art. no. 184105

被引：80

作者：

Lima, KCV

Souza, AG

Ayala, AP

Mendes, J

Freire, PTC

Melo, FEA

Araújo, EB

Eiras, JA

机构：

[1] Univ Fed Ceara, Dept Fis, BR-60455760 Fortaleza, Ceara, Brazil

[2] Univ Fed Sao Carlos, Dept Fis, BR-13565670 Sao Paulo, Brazil

来源：

PHYSICAL REVIEW B | 2001年 / 63卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.63.184105

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Raman spectra of PbZr1-xTixO3 ceramics with titanium concentration varying between x = 0.40 and 0.60 were measured at 7 K. By observing the concentration-frequency dependence of the vibrational modes: we identified the boundaries,among the rhombohedral, monoclinic, and tetragonal ferroelectric phases. The analysis of the spectra was made in the view of group theory analysis making possible the assignment of some modes for the monoclinic phase.

引用

页数：5

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