Large electrocaloric responses in [Bi1/2(Na,K)1/2]TiO3‐based ceramics with giant electro‐strains

dc.contributor.author Fan, Zhongming
dc.contributor.author Liu, Xiaoming
dc.contributor.author Tan, Xiaoli
dc.contributor.author Tan, Xiaoli
dc.contributor.department Materials Science and Engineering
dc.date 2019-02-03T03:30:49.000
dc.date.accessioned 2020-06-30T06:08:17Z
dc.date.available 2020-06-30T06:08:17Z
dc.date.copyright Sun Jan 01 00:00:00 UTC 2017
dc.date.issued 2017-05-01
dc.description.abstract <p>The electrocaloric effect (ECE) is investigated through indirect measurement in two lead‐free [Bi1/2(Na,K)1/2]TiO3‐based ceramics that were previously reported to display giant electro‐strains. In the Nb‐doped ceramic, denoted as BNKT‐2.5Nb, a decent temperature change of Δ<em>T</em>=1.85 K and an electrocaloric responsivity of Δ<em>T</em>/Δ<em>E</em>=0.37 (10−6Km V−1) are found around room temperature (32°C). While in the Ta‐doped ceramic, BNKT‐1.5Ta, a wide operation temperature range (<em>T</em>span ~55 K) is observed near room temperature. Additional electrical measurements, as well as transmission electron microscopy experiments, are performed to identify the mechanisms of the ECE in both ceramics.</p>
dc.description.comments <p>This is the peer-reviewed version of the following article: Fan, Zhongming, Xiaoming Liu, and Xiaoli Tan. "Large electrocaloric responses in [Bi1/2 (Na, K) 1/2] TiO3‐based ceramics with giant electro‐strains." <em>Journal of the American Ceramic Society</em> 100, no. 5 (2017): 2088-2097, which has been published in final form at DOI: <a href="http://dx.doi.org/10.1111/jace.14777" target="_blank">10.1111/jace.14777</a>. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/mse_pubs/321/
dc.identifier.articleid 1324
dc.identifier.contextkey 13641945
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath mse_pubs/321
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/55664
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/mse_pubs/321/2017_TanXiaoli_LargeElectrocaloric.pdf|||Fri Jan 14 23:35:09 UTC 2022
dc.source.uri 10.1111/jace.14777
dc.subject.disciplines Ceramic Materials
dc.subject.disciplines Materials Science and Engineering
dc.subject.keywords [Bi1/2(Na
dc.subject.keywords K)1/2]TiO3‐based ceramics
dc.subject.keywords electrocaloric effect
dc.subject.keywords ergodic relaxor
dc.title Large electrocaloric responses in [Bi1/2(Na,K)1/2]TiO3‐based ceramics with giant electro‐strains
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 62adb010-61c7-4fc2-a651-d8b152a926a9
relation.isOrgUnitOfPublication bf9f7e3e-25bd-44d3-b49c-ed98372dee5e
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