High-field/high-frequency EPR of paramagnetic functional centers in Cu2+- and Fe3+-modified polycrystalline Pb[Zr(x)Ti(1-x)]O3 ferroelectrics

Copyright 2005 John Wiley & Sons, Ltd

Bibliographische Detailangaben
Veröffentlicht in:Magnetic resonance in chemistry : MRC. - 1985. - 43 Spec no.(2005) vom: 15. Nov., Seite S166-73
1. Verfasser: Eichel, Rüdiger-A (VerfasserIn)
Weitere Verfasser: Mestrić, Hrvoje, Dinse, Klaus-Peter, Ozarowski, Andrew, van Tol, Johan, Brunel, Louis Claude, Kungl, Hans, Hoffmann, Michael J
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Magnetic resonance in chemistry : MRC
Schlagworte:Journal Article
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245 1 0 |a High-field/high-frequency EPR of paramagnetic functional centers in Cu2+- and Fe3+-modified polycrystalline Pb[Zr(x)Ti(1-x)]O3 ferroelectrics 
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520 |a Copper(II)- and iron(III)-modified Pb[Zr(x)Ti(1-x)]O3 ferroelectrics were investigated by means of high-field/high-frequency EPR. The results obtained suggest that Cu2+ and Fe3+ both substitute as acceptor centers for [Zr,Ti]4+. Whereas for the iron-doped system the charge compensating oxygen vacancies (V(O)**) lead to the formation of charged (Fe'(Ti-)V(O)**)* defect associates, no such associates have been observed for the copper-modified system. As regards the morphotropic phase boundary, the model of a mesoscopic mixing of the pure-member phases has been refined to a picture in which a nanoscale composition distribution prevails 
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700 1 |a Mestrić, Hrvoje  |e verfasserin  |4 aut 
700 1 |a Dinse, Klaus-Peter  |e verfasserin  |4 aut 
700 1 |a Ozarowski, Andrew  |e verfasserin  |4 aut 
700 1 |a van Tol, Johan  |e verfasserin  |4 aut 
700 1 |a Brunel, Louis Claude  |e verfasserin  |4 aut 
700 1 |a Kungl, Hans  |e verfasserin  |4 aut 
700 1 |a Hoffmann, Michael J  |e verfasserin  |4 aut 
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