Heterogeneous grain-scale response in ferroic polycrystals under electric field.
Identifieur interne : 001D15 ( PubMed/Checkpoint ); précédent : 001D14; suivant : 001D16Heterogeneous 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.
DOI: 10.1038/srep22820
PubMed: 26955960
Affiliations:
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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. 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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><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">26955960</PMID><DateCreated><Year>2016</Year><Month>03</Month><Day>09</Day></DateCreated><DateCompleted><Year>2016</Year><Month>09</Month><Day>21</Day></DateCompleted><DateRevised><Year>2017</Year><Month>02</Month><Day>20</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>6</Volume><PubDate><Year>2016</Year><Month>Mar</Month><Day>09</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Heterogeneous grain-scale response in ferroic polycrystals under electric field.</ArticleTitle><Pagination><MedlinePgn>22820</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/srep22820</ELocationID><Abstract><AbstractText>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.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Daniels</LastName><ForeName>John E</ForeName><Initials>JE</Initials><AffiliationInfo><Affiliation>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Majkut</LastName><ForeName>Marta</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cao</LastName><ForeName>Qingua</ForeName><Initials>Q</Initials><AffiliationInfo><Affiliation>School of Materials Science and Engineering, UNSW Australia, Sydney NSW 2052, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schmidt</LastName><ForeName>Søren</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wright</LastName><ForeName>Jon</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>European Synchrotron Radiation Facility, Grenoble 38000, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jo</LastName><ForeName>Wook</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>School of Mechanical and Advanced Materials Engineering, UNIST, Ulsan, Republic of Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Oddershede</LastName><ForeName>Jette</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>NEXMAP, DTU Physics, 2800 Kgs. Lyngby, Denmark.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>03</Month><Day>09</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Sci Rep</MedlineTA><NlmUniqueID>101563288</NlmUniqueID><ISSNLinking>2045-2322</ISSNLinking></MedlineJournalInfo><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Proc Natl Acad Sci U S A. 2010 Apr 20;107(16):7219-24</RefSource><PMID Version="1">20368462</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Aug;56(8):1539-45</RefSource><PMID Version="1">19686969</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Aug;56(8):1574-85</RefSource><PMID Version="1">19686973</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nat Commun. 2015 Jan 14;6:6098</RefSource><PMID Version="1">25586429</PMID></CommentsCorrections></CommentsCorrectionsList><OtherID Source="NLM">PMC4783773</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>12</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>02</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>3</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>3</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>3</Month><Day>10</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">26955960</ArticleId><ArticleId IdType="pii">srep22820</ArticleId><ArticleId IdType="doi">10.1038/srep22820</ArticleId><ArticleId IdType="pmc">PMC4783773</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Australie</li><li>Corée du Sud</li><li>Danemark</li><li>France</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Rhône-Alpes</li></region><settlement><li>Grenoble</li></settlement></list><tree><country name="Australie"><noRegion><name sortKey="Daniels, John E" sort="Daniels, John E" uniqKey="Daniels J" first="John E" last="Daniels">John E. Daniels</name></noRegion><name sortKey="Cao, Qingua" sort="Cao, Qingua" uniqKey="Cao Q" first="Qingua" last="Cao">Qingua Cao</name></country><country name="Danemark"><noRegion><name sortKey="Majkut, Marta" sort="Majkut, Marta" uniqKey="Majkut M" first="Marta" last="Majkut">Marta Majkut</name></noRegion><name sortKey="Oddershede, Jette" sort="Oddershede, Jette" uniqKey="Oddershede J" first="Jette" last="Oddershede">Jette Oddershede</name><name sortKey="Schmidt, S Ren" sort="Schmidt, S Ren" uniqKey="Schmidt S" first="S Ren" last="Schmidt">S Ren Schmidt</name></country><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Wright, Jon" sort="Wright, Jon" uniqKey="Wright J" first="Jon" last="Wright">Jon Wright</name></region></country><country name="Corée du Sud"><noRegion><name sortKey="Jo, Wook" sort="Jo, Wook" uniqKey="Jo W" first="Wook" last="Jo">Wook Jo</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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