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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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Effect of Texture on Temperature-Dependent Properties of K0.5Na0.5NbO3 Modified Bi1/2Na1/2TiO3-xBaTiO(3)

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dc.contributor.author Fancher, Chris M. ko
dc.contributor.author Jo, Wook ko
dc.contributor.author Roedel, Juergen ko
dc.contributor.author Blendell, John E. ko
dc.contributor.author Bowman, Keith J. ko
dc.date.available 2014-10-21T08:34:04Z -
dc.date.created 2014-10-21 ko
dc.date.issued 2014-08 -
dc.identifier.citation JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.97, no.8, pp.2557 - 2563 ko
dc.identifier.issn 0002-7820 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/7501 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84905457765 ko
dc.description.abstract Textured (1-x-y)Bi1/2Na1/2TiO3-xBaTiO(3)-yK(0.5)Na(0.5)NbO(3) (BNT-100xBT-100yKNN) ceramics with a {001} pseudocubic (pc) orientation were fabricated by templated grain growth using Bi1/2Na1/2TiO3 templates. Temperature-dependent electromechanical results demonstrate that the strain response of templated BNT-xBT-yKNN ceramics is stable from room temperature (RT) to 125 degrees C. The temperature-dependent strain and polarization response are compared to randomly oriented ceramics, for BNT-100xBT-2KNN (0.05 <= x <= 0.07). Textured BNT-7BT-2KNN reached a maximum 0.47% strain response at 5 kV/mm, an almost 50% increase compared to randomly oriented BNT-7BT-2KNN. Over the temperature range RT-125 degrees C, the strain response of templated BNT-6BT-2KNN degraded from 0.38% to 0.22% (-42.1%) compared to 0.37% to 0.18% (-51.4%) for randomly oriented ceramics. The temperature-dependent strain response suggests that templated BNT-100xBT-100yKNN ceramics are well suited for elevated temperature applications. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher WILEY-BLACKWELL ko
dc.subject FREE PIEZOELECTRIC CERAMICS ko
dc.subject TEMPLATED GRAIN-GROWTH ko
dc.subject TITANATE NA1/2BI1/2TIO3-BATIO3 CERAMICS ko
dc.subject LEAD-FREE PIEZOCERAMICS ko
dc.subject STRAIN ko
dc.subject NA0.5BI0.5TIO3 ko
dc.subject PERSPECTIVE ko
dc.subject ACTUATORS ko
dc.subject PARTICLES ko
dc.title Effect of Texture on Temperature-Dependent Properties of K0.5Na0.5NbO3 Modified Bi1/2Na1/2TiO3-xBaTiO(3) ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84905457765 ko
dc.identifier.wosid 000340529200041 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.description.scopustc 0 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-10-21 *
dc.identifier.doi 10.1111/jace.12986 ko
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