Heterogeneous grain-scale response in ferroic polycrystals under electric field
Identifieur interne : 003248 ( Ncbi/Merge ); précédent : 003247; suivant : 003249Heterogeneous grain-scale response in ferroic polycrystals under electric field
Auteurs : John E. Daniels [Australie] ; Marta Majkut [Danemark] ; Qingua Cao [Australie] ; S Ren Schmidt [Danemark] ; Jon Wright [France] ; Wook Jo [Corée du Sud] ; Jette Oddershede [Danemark]Source :
- Scientific Reports [ 2045-2322 ] ; 2016.
Abstract
Understanding coupling of ferroic properties over grain boundaries and within clusters of grains in polycrystalline materials is hindered due to a lack of direct experimental methods to probe the behaviour of individual grains in the bulk of a material. Here, a variant of three-dimensional X-ray diffraction (3D-XRD) is used to resolve the non-180° ferroelectric domain switching strain components of 191 grains from the bulk of a polycrystalline electro-ceramic that has undergone an electric-field-induced phase transformation. It is found that while the orientation of a given grain relative to the field direction has a significant influence on the phase and resultant domain texture, there are large deviations from the average behaviour at the grain scale. It is suggested that these deviations arise from local strain and electric field neighbourhoods being highly heterogeneous within the bulk polycrystal. Additionally, the minimisation of electrostatic potentials at the grain boundaries due to interacting ferroelectric domains must also be considered. It is found that the local grain-scale deviations average out over approximately 10–20 grains. These results provide unique insight into the grain-scale interactions of ferroic materials and will be of value for future efforts to comprehensively model these and related materials at that length-scale.
Url:
DOI: 10.1038/srep22820
PubMed: 26955960
PubMed Central: 4783773
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<front><div type="abstract" xml:lang="en"><p>Understanding coupling of ferroic properties over grain boundaries and within clusters of grains in polycrystalline materials is hindered due to a lack of direct experimental methods to probe the behaviour of individual grains in the bulk of a material. Here, a variant of three-dimensional X-ray diffraction (3D-XRD) is used to resolve the non-180° ferroelectric domain switching strain components of 191 grains from the bulk of a polycrystalline electro-ceramic that has undergone an electric-field-induced phase transformation. It is found that while the orientation of a given grain relative to the field direction has a significant influence on the phase and resultant domain texture, there are large deviations from the average behaviour at the grain scale. It is suggested that these deviations arise from local strain and electric field neighbourhoods being highly heterogeneous within the bulk polycrystal. Additionally, the minimisation of electrostatic potentials at the grain boundaries due to interacting ferroelectric domains must also be considered. It is found that the local grain-scale deviations average out over approximately 10–20 grains. These results provide unique insight into the grain-scale interactions of ferroic materials and will be of value for future efforts to comprehensively model these and related materials at that length-scale.</p>
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<author><name sortKey="Cao, Qingua" sort="Cao, Qingua" uniqKey="Cao Q" first="Qingua" last="Cao">Qingua Cao</name>
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, Sydney NSW 2052,<country>Australia</country>
</nlm:aff>
<country xml:lang="fr">Australie</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Schmidt, S Ren" sort="Schmidt, S Ren" uniqKey="Schmidt S" first="S Ren" last="Schmidt">S Ren Schmidt</name>
<affiliation wicri:level="1"><nlm:aff id="a2"><institution>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</institution>
,<country>Denmark</country>
</nlm:aff>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Wright, Jon" sort="Wright, Jon" uniqKey="Wright J" first="Jon" last="Wright">Jon Wright</name>
<affiliation wicri:level="1"><nlm:aff id="a3"><institution>European Synchrotron Radiation Facility</institution>
, Grenoble 38000,<country>France</country>
</nlm:aff>
<country xml:lang="fr">France</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Jo, Wook" sort="Jo, Wook" uniqKey="Jo W" first="Wook" last="Jo">Wook Jo</name>
<affiliation wicri:level="1"><nlm:aff id="a4"><institution>School of Mechanical and Advanced Materials Engineering</institution>
, UNIST, Ulsan,<country>Republic of Korea</country>
</nlm:aff>
<country xml:lang="fr">Corée du Sud</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Oddershede, Jette" sort="Oddershede, Jette" uniqKey="Oddershede J" first="Jette" last="Oddershede">Jette Oddershede</name>
<affiliation wicri:level="1"><nlm:aff id="a2"><institution>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</institution>
,<country>Denmark</country>
</nlm:aff>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PMC</idno>
<idno type="pmid">26955960</idno>
<idno type="pmc">4783773</idno>
<idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4783773</idno>
<idno type="RBID">PMC:4783773</idno>
<idno type="doi">10.1038/srep22820</idno>
<date when="2016">2016</date>
<idno type="wicri:Area/Pmc/Corpus">000820</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000820</idno>
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<idno type="wicri:Area/Pmc/Checkpoint">000880</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000880</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Heterogeneous grain-scale response in ferroic polycrystals under electric field</title>
<author><name sortKey="Daniels, John E" sort="Daniels, John E" uniqKey="Daniels J" first="John E." last="Daniels">John E. Daniels</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>School of Materials Science and Engineering, UNSW Australia</institution>
, Sydney NSW 2052,<country>Australia</country>
</nlm:aff>
<country xml:lang="fr">Australie</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Majkut, Marta" sort="Majkut, Marta" uniqKey="Majkut M" first="Marta" last="Majkut">Marta Majkut</name>
<affiliation wicri:level="1"><nlm:aff id="a2"><institution>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</institution>
,<country>Denmark</country>
</nlm:aff>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Cao, Qingua" sort="Cao, Qingua" uniqKey="Cao Q" first="Qingua" last="Cao">Qingua Cao</name>
<affiliation wicri:level="1"><nlm:aff id="a1"><institution>School of Materials Science and Engineering, UNSW Australia</institution>
, Sydney NSW 2052,<country>Australia</country>
</nlm:aff>
<country xml:lang="fr">Australie</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Schmidt, S Ren" sort="Schmidt, S Ren" uniqKey="Schmidt S" first="S Ren" last="Schmidt">S Ren Schmidt</name>
<affiliation wicri:level="1"><nlm:aff id="a2"><institution>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</institution>
,<country>Denmark</country>
</nlm:aff>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Wright, Jon" sort="Wright, Jon" uniqKey="Wright J" first="Jon" last="Wright">Jon Wright</name>
<affiliation wicri:level="1"><nlm:aff id="a3"><institution>European Synchrotron Radiation Facility</institution>
, Grenoble 38000,<country>France</country>
</nlm:aff>
<country xml:lang="fr">France</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Jo, Wook" sort="Jo, Wook" uniqKey="Jo W" first="Wook" last="Jo">Wook Jo</name>
<affiliation wicri:level="1"><nlm:aff id="a4"><institution>School of Mechanical and Advanced Materials Engineering</institution>
, UNIST, Ulsan,<country>Republic of Korea</country>
</nlm:aff>
<country xml:lang="fr">Corée du Sud</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Oddershede, Jette" sort="Oddershede, Jette" uniqKey="Oddershede J" first="Jette" last="Oddershede">Jette Oddershede</name>
<affiliation wicri:level="1"><nlm:aff id="a2"><institution>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</institution>
,<country>Denmark</country>
</nlm:aff>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea># see nlm:aff country strict</wicri:regionArea>
</affiliation>
</author>
</analytic>
<series><title level="j">Scientific Reports</title>
<idno type="eISSN">2045-2322</idno>
<imprint><date when="2016">2016</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en"><p>Understanding coupling of ferroic properties over grain boundaries and within clusters of grains in polycrystalline materials is hindered due to a lack of direct experimental methods to probe the behaviour of individual grains in the bulk of a material. Here, a variant of three-dimensional X-ray diffraction (3D-XRD) is used to resolve the non-180° ferroelectric domain switching strain components of 191 grains from the bulk of a polycrystalline electro-ceramic that has undergone an electric-field-induced phase transformation. It is found that while the orientation of a given grain relative to the field direction has a significant influence on the phase and resultant domain texture, there are large deviations from the average behaviour at the grain scale. It is suggested that these deviations arise from local strain and electric field neighbourhoods being highly heterogeneous within the bulk polycrystal. Additionally, the minimisation of electrostatic potentials at the grain boundaries due to interacting ferroelectric domains must also be considered. It is found that the local grain-scale deviations average out over approximately 10–20 grains. These results provide unique insight into the grain-scale interactions of ferroic materials and will be of value for future efforts to comprehensively model these and related materials at that length-scale.</p>
</div>
</front>
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</biblStruct>
</listBibl>
</div1>
</back>
</TEI>
</pmc>
<pubmed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Heterogeneous grain-scale response in ferroic polycrystals under electric field.</title>
<author><name sortKey="Daniels, John E" sort="Daniels, John E" uniqKey="Daniels J" first="John E" last="Daniels">John E. Daniels</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052</wicri:regionArea>
<wicri:noRegion>Sydney NSW 2052</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Majkut, Marta" sort="Majkut, Marta" uniqKey="Majkut M" first="Marta" last="Majkut">Marta Majkut</name>
<affiliation wicri:level="1"><nlm:affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</nlm:affiliation>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</wicri:regionArea>
<wicri:noRegion>2800 Kgs. Lyngby</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Cao, Qingua" sort="Cao, Qingua" uniqKey="Cao Q" first="Qingua" last="Cao">Qingua Cao</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052</wicri:regionArea>
<wicri:noRegion>Sydney NSW 2052</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Schmidt, S Ren" sort="Schmidt, S Ren" uniqKey="Schmidt S" first="S Ren" last="Schmidt">S Ren Schmidt</name>
<affiliation wicri:level="1"><nlm:affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</nlm:affiliation>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</wicri:regionArea>
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</affiliation>
</author>
<author><name sortKey="Wright, Jon" sort="Wright, Jon" uniqKey="Wright J" first="Jon" last="Wright">Jon Wright</name>
<affiliation wicri:level="1"><nlm:affiliation>European Synchrotron Radiation Facility, Grenoble 38000, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>European Synchrotron Radiation Facility, Grenoble 38000</wicri:regionArea>
<wicri:noRegion>38000</wicri:noRegion>
<placeName><settlement type="city">Grenoble</settlement>
<region type="region" nuts="2">Auvergne-Rhône-Alpes</region>
<region type="old region" nuts="2">Rhône-Alpes</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Jo, Wook" sort="Jo, Wook" uniqKey="Jo W" first="Wook" last="Jo">Wook Jo</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Mechanical and Advanced Materials Engineering, UNIST, Ulsan, Republic of Korea.</nlm:affiliation>
<country xml:lang="fr">Corée du Sud</country>
<wicri:regionArea>School of Mechanical and Advanced Materials Engineering, UNIST, Ulsan</wicri:regionArea>
<wicri:noRegion>Ulsan</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Oddershede, Jette" sort="Oddershede, Jette" uniqKey="Oddershede J" first="Jette" last="Oddershede">Jette Oddershede</name>
<affiliation wicri:level="1"><nlm:affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</nlm:affiliation>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</wicri:regionArea>
<wicri:noRegion>2800 Kgs. Lyngby</wicri:noRegion>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PubMed</idno>
<date when="2016">2016</date>
<idno type="RBID">pubmed:26955960</idno>
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<idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">002089</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Heterogeneous grain-scale response in ferroic polycrystals under electric field.</title>
<author><name sortKey="Daniels, John E" sort="Daniels, John E" uniqKey="Daniels J" first="John E" last="Daniels">John E. Daniels</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052</wicri:regionArea>
<wicri:noRegion>Sydney NSW 2052</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Majkut, Marta" sort="Majkut, Marta" uniqKey="Majkut M" first="Marta" last="Majkut">Marta Majkut</name>
<affiliation wicri:level="1"><nlm:affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</nlm:affiliation>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</wicri:regionArea>
<wicri:noRegion>2800 Kgs. Lyngby</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Cao, Qingua" sort="Cao, Qingua" uniqKey="Cao Q" first="Qingua" last="Cao">Qingua Cao</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052, Australia.</nlm:affiliation>
<country xml:lang="fr">Australie</country>
<wicri:regionArea>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052</wicri:regionArea>
<wicri:noRegion>Sydney NSW 2052</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Schmidt, S Ren" sort="Schmidt, S Ren" uniqKey="Schmidt S" first="S Ren" last="Schmidt">S Ren Schmidt</name>
<affiliation wicri:level="1"><nlm:affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</nlm:affiliation>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</wicri:regionArea>
<wicri:noRegion>2800 Kgs. Lyngby</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Wright, Jon" sort="Wright, Jon" uniqKey="Wright J" first="Jon" last="Wright">Jon Wright</name>
<affiliation wicri:level="1"><nlm:affiliation>European Synchrotron Radiation Facility, Grenoble 38000, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>European Synchrotron Radiation Facility, Grenoble 38000</wicri:regionArea>
<wicri:noRegion>38000</wicri:noRegion>
<placeName><settlement type="city">Grenoble</settlement>
<region type="region" nuts="2">Auvergne-Rhône-Alpes</region>
<region type="old region" nuts="2">Rhône-Alpes</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Jo, Wook" sort="Jo, Wook" uniqKey="Jo W" first="Wook" last="Jo">Wook Jo</name>
<affiliation wicri:level="1"><nlm:affiliation>School of Mechanical and Advanced Materials Engineering, UNIST, Ulsan, Republic of Korea.</nlm:affiliation>
<country xml:lang="fr">Corée du Sud</country>
<wicri:regionArea>School of Mechanical and Advanced Materials Engineering, UNIST, Ulsan</wicri:regionArea>
<wicri:noRegion>Ulsan</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Oddershede, Jette" sort="Oddershede, Jette" uniqKey="Oddershede J" first="Jette" last="Oddershede">Jette Oddershede</name>
<affiliation wicri:level="1"><nlm:affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</nlm:affiliation>
<country xml:lang="fr">Danemark</country>
<wicri:regionArea>NEXMAP, DTU Physics, 2800 Kgs. Lyngby</wicri:regionArea>
<wicri:noRegion>2800 Kgs. Lyngby</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j">Scientific reports</title>
<idno type="eISSN">2045-2322</idno>
<imprint><date when="2016" type="published">2016</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Understanding coupling of ferroic properties over grain boundaries and within clusters of grains in polycrystalline materials is hindered due to a lack of direct experimental methods to probe the behaviour of individual grains in the bulk of a material. Here, a variant of three-dimensional X-ray diffraction (3D-XRD) is used to resolve the non-180° ferroelectric domain switching strain components of 191 grains from the bulk of a polycrystalline electro-ceramic that has undergone an electric-field-induced phase transformation. It is found that while the orientation of a given grain relative to the field direction has a significant influence on the phase and resultant domain texture, there are large deviations from the average behaviour at the grain scale. It is suggested that these deviations arise from local strain and electric field neighbourhoods being highly heterogeneous within the bulk polycrystal. Additionally, the minimisation of electrostatic potentials at the grain boundaries due to interacting ferroelectric domains must also be considered. It is found that the local grain-scale deviations average out over approximately 10-20 grains. These results provide unique insight into the grain-scale interactions of ferroic materials and will be of value for future efforts to comprehensively model these and related materials at that length-scale.</div>
</front>
</TEI>
</pubmed>
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