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Local switching pro...
Local switching properties of dense nanocrystalline BaTiO3 ceramics
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Mitoseriu, L. (author)
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Harnagea, C. (author)
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Nanni, P. (author)
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Testino, A. (author)
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Buscaglia, M. T. (author)
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Buscaglia, V. (author)
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Viviani, M. (author)
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- Zhao, Zhe, 1973- (author)
- Department of Physical Inorganic and Structural Chemistry, Stockholm University
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Nygren, M. (author)
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(creator_code:org_t)
- AIP Publishing, 2004
- 2004
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 84:13, s. 2418-2420
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- The switching properties of dense BaTiO3 ceramics with 50 nm average grain size were investigated at local scale by piezoresponse force microscopy. Large areas with low piezoelectrical activity beside islands with strong piezoresponse were found. The application of electric fields induces stable domain structures and changes in the polarization state far away from the probing area, probably via trans-granular dipole interactions. Piezoelectric hysteresis loops were recorded on various positions, even in regions with initial zero piezoresponse, which possibly showed a superparaelectric behavior. The results are incontestable proof that 50 nm BaTiO3 ceramics retain ferroelectricity at a local scale.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
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- ref (subject category)
- art (subject category)
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- By the author/editor
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Mitoseriu, L.
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Harnagea, C.
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Nanni, P.
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Testino, A.
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Buscaglia, M. T.
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Buscaglia, V.
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show more...
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Viviani, M.
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Zhao, Zhe, 1973-
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Nygren, M.
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Ceramics
- Articles in the publication
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Applied Physics ...
- By the university
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Royal Institute of Technology