Aging associated domain evolution in the orthorhombic phase of 〈001〉 textured (K 0.5Na 0.5)Nb 0.97Sb 0.03O 3 ceramics

Jianjun Yao, Jiefang Li, D. Viehland, Yunfei Chang, Gary L. Messing

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Abstract

Aging effect due to domain evolution in (K 0.5,Na 0.5)Nb 0.97Sb 0.03O 3 〈001〉 textured ceramics was investigated by piezoresponse force microscopy. We find that aging effect is pronounced in the orthorhombic single phase field. A more uniform and finer domain structure on the order of several hundred nanometers was observed after aging and is believed to originate from defect-migration. After poling, large domains (∼10 μm) with smooth boundaries were found in the aged condition due to the more readily redistribution of uniform and finer domain structures after aging.

Original languageEnglish (US)
Article number132902
JournalApplied Physics Letters
Volume100
Issue number13
DOIs
StatePublished - Mar 26 2012

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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