Determination of functional center local environment in copper-modified Pb[Zr0.54Ti0.46]O3 ceramics

被引：30

作者：

Eichel, RA ^{[1
]}

Kungl, H

Hoffmann, MJ

机构：

[1] TH Darmstadt, Eduard Zintl Inst, D-64287 Darmstadt, Germany

[2] Univ Karlsruhe, Dept Ceram Mech Engn, D-76131 Karlsruhe, Germany

来源：

JOURNAL OF APPLIED PHYSICS | 2004年 / 95卷 / 12期

关键词：

D O I：

10.1063/1.1728310

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ferroelectric copper(II)-modified polycrystalline Pb[Zr0.54Ti0.46]O-3 ceramics with a dopant concentration of 0.25 mol % were investigated by means of electron paramagnetic resonance and hyperfine sublevel correlation spectroscopy. Special emphasis was put on the resolution of the Pb-207 hyperfine couplings, which were resolved in the first and second coordination sphere. The results prove that copper is incorporated at the octahedrally coordinated [Zr,Ti] site, acting as an acceptor and disfavor a directly coordinated oxygen vacancy to the copper center for charge compensation. (C) 2004 American Institute of Physics.

引用

页码：8092 / 8096

页数：5

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