Oxide ion conduction in La-doped PbWO4 single crystals

被引：10

作者：

Huang, HW ^{[1
]}

Feng, XQ

Zhu, WL

Zhang, Y

Wen, TL

Tang, TB

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

[2] HK Baptist Univ, Dept Phys, Kowloon, Hong Kong, Peoples R China

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2003年 / 15卷 / 33期

关键词：

D O I：

10.1088/0953-8984/15/33/303

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The effect of La dopant on the scintillating properties of lead tungstate has been found to depend on the doping concentration. In this work the conductivities of a series of PWO:La single crystals were measured and explained by a change in doping mechanism. We propose that the oxygen vacancy is the main type of charge carrier at all doping levels from room temperature to 1000degreesC. Offering high conductivity and low activation energy, heavily doped PWO:La may serve as a fast ion conductor of merit.

引用

页码：5689 / 5695

页数：7

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