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Ferroelectrics Volume 302, 2004 - Issue 1
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Original Articles

Ferroelectric Properties of BaTiO3 Doped with La(Mg1/2Ti1/2)O3

A. N. SALAK Department of Ceramics and Glass Engineering/CICECO University of Aveiro, Aveiro, Portugal, 3810-193
,
V. V. SHVARTSMAN Department of Ceramics and Glass Engineering/CICECO University of Aveiro, Aveiro, Portugal, 3810-193
,
M. P. SEABRA Department of Ceramics and Glass Engineering/CICECO University of Aveiro, Aveiro, Portugal, 3810-193
,
A. L. KHOLKIN Department of Ceramics and Glass Engineering/CICECO University of Aveiro, Aveiro, Portugal, 3810-193
&
V. M. FERREIRA Department of Ceramics and Glass Engineering/CICECO University of Aveiro, Aveiro, Portugal, 3810-193
Pages 299-302 | Received 01 Aug 2003, Accepted 01 Jan 2004, Published online: 08 Sep 2010
 
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Abstract

BaTiO3 ceramics doped with 2.5 mol% of non-ferrolectric perovskite La(Mg1/2Ti1/2)O3 (BT:2.5%LMT) were dielectrically investigated at macroscopic and nanoscale (by Piezoresponse Force Microscopy) levels. The results of dielectric study performed on bulk ceramics were compared with those of individual grains. BT:2.5%LMT was revealed to exhibit the typical features of both ferroelectric and relaxor behaviour.

Acknowledgements

The authors thank Dr. D. Khalyavin for help with the Rietveld refinement of the XRD data. The authors also acknowledge the Foundation for Science and Technology (FCT-Portugal) for their support.

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