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Integrated Ferroelectrics
An International Journal
Volume 63, 2004 - Issue 1
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Original Articles

Chemically Induced Interface Migration in PZT System During Controlling of PbO Content

IN-CHUL PARK Department of Inorganic Materials Engineering, Kyungpook National University, Korea, 702-701
,
SEUK-CHUL KO Department of Inorganic Materials Engineering, Kyungpook National University, Korea, 702-701
,
JOON-HYUNG LEE Department of Inorganic Materials Engineering, Kyungpook National University, Korea, 702-701
,
JEONG-JOO KIM Department of Inorganic Materials Engineering, Kyungpook National University, Korea, 702-701
&
SANG-HEE CHO Department of Inorganic Materials Engineering, Kyungpook National University, Korea, 702-701
Pages 117-120 | Received 01 Aug 2003, Accepted 01 Jan 2004, Published online: 11 Aug 2010
 
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Abstract

Chemically induced interface migration (CIIM) in Pb[(Co1/3Nb2/3)0.1Zr0.6Ti0.3]O3 (PCNZT) ceramics was investigated while controlling the PbO content. After sintering, stoichiometric samples were heat-treated in a PbO atmosphere allowing diffusion of PbO into grain boundaries (alloying), while the samples with excess PbO were heat-treated in air in order to promote PbO evaporation (dealloying). In both cases, an interface moving against their curvature was observed. Because of the zigzag structure of the grain boundaries, the mechanical properties improved.

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