Antiferromagnetic Spin Coupling between Rare Earth Adatoms and Iron Islands Probed by Spin-Polarized Tunneling.
Identifieur interne : 000111 ( PubMed/Checkpoint ); précédent : 000110; suivant : 000112Antiferromagnetic Spin Coupling between Rare Earth Adatoms and Iron Islands Probed by Spin-Polarized Tunneling.
Auteurs : David Coffey [Espagne] ; José Luis Diez-Ferrer [Espagne] ; David Serrate [Espagne] ; Miguel Ciria [Espagne] ; César De La Fuente [Espagne] ; José Ignacio Arnaudas [Espagne]Source :
- Scientific reports [ 2045-2322 ] ; 2015.
Abstract
High-density magnetic storage or quantum computing could be achieved using small magnets with large magnetic anisotropy, a requirement that rare-earth iron alloys fulfill in bulk. This compelling property demands a thorough investigation of the magnetism in low dimensional rare-earth iron structures. Here, we report on the magnetic coupling between 4f single atoms and a 3d magnetic nanoisland. Thulium and lutetium adatoms deposited on iron monolayer islands pseudomorphically grown on W(110) have been investigated at low temperature with scanning tunneling microscopy and spectroscopy. The spin-polarized current indicates that both kind of adatoms have in-plane magnetic moments, which couple antiferromagnetically with their underlying iron islands. Our first-principles calculations explain the observed behavior, predicting an antiparallel coupling of the induced 5d electrons magnetic moment of the lanthanides with the 3d magnetic moment of iron, as well as their in-plane orientation, and pointing to a non-contribution of 4f electrons to the spin-polarized tunneling processes in rare earths.
DOI: 10.1038/srep13709
PubMed: 26333417
Affiliations:
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xml:lang="en">Antiferromagnetic Spin Coupling between Rare Earth Adatoms and Iron Islands Probed by Spin-Polarized Tunneling.</title><author><name sortKey="Coffey, David" sort="Coffey, David" uniqKey="Coffey D" first="David" last="Coffey">David Coffey</name><affiliation wicri:level="4"><nlm:affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza</wicri:regionArea><orgName type="university">Université de Saragosse</orgName><placeName><settlement type="city">Saragosse</settlement><region nuts="2" type="region">Aragon (communauté autonome)</region></placeName></affiliation></author><author><name sortKey="Diez Ferrer, Jose Luis" sort="Diez Ferrer, Jose Luis" uniqKey="Diez Ferrer J" first="José Luis" last="Diez-Ferrer">José Luis Diez-Ferrer</name><affiliation wicri:level="4"><nlm:affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza</wicri:regionArea><orgName type="university">Université de Saragosse</orgName><placeName><settlement type="city">Saragosse</settlement><region nuts="2" type="region">Aragon (communauté autonome)</region></placeName></affiliation></author><author><name sortKey="Serrate, David" sort="Serrate, David" uniqKey="Serrate D" first="David" last="Serrate">David Serrate</name><affiliation wicri:level="4"><nlm:affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza</wicri:regionArea><orgName type="university">Université de Saragosse</orgName><placeName><settlement type="city">Saragosse</settlement><region nuts="2" type="region">Aragon (communauté autonome)</region></placeName></affiliation></author><author><name sortKey="Ciria, Miguel" sort="Ciria, Miguel" uniqKey="Ciria M" first="Miguel" last="Ciria">Miguel Ciria</name><affiliation wicri:level="1"><nlm:affiliation>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza</wicri:regionArea><wicri:noRegion>Zaragoza</wicri:noRegion></affiliation></author><author><name sortKey="De La Fuente, Cesar" sort="De La Fuente, Cesar" uniqKey="De La Fuente C" first="César" last="De La Fuente">César De La Fuente</name><affiliation wicri:level="1"><nlm:affiliation>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza</wicri:regionArea><wicri:noRegion>Zaragoza</wicri:noRegion></affiliation></author><author><name sortKey="Arnaudas, Jose Ignacio" sort="Arnaudas, Jose Ignacio" uniqKey="Arnaudas J" first="José Ignacio" last="Arnaudas">José Ignacio Arnaudas</name><affiliation wicri:level="4"><nlm:affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza</wicri:regionArea><orgName type="university">Université de Saragosse</orgName><placeName><settlement type="city">Saragosse</settlement><region nuts="2" type="region">Aragon (communauté autonome)</region></placeName></affiliation></author></analytic><series><title level="j">Scientific reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">High-density magnetic storage or quantum computing could be achieved using small magnets with large magnetic anisotropy, a requirement that rare-earth iron alloys fulfill in bulk. This compelling property demands a thorough investigation of the magnetism in low dimensional rare-earth iron structures. Here, we report on the magnetic coupling between 4f single atoms and a 3d magnetic nanoisland. Thulium and lutetium adatoms deposited on iron monolayer islands pseudomorphically grown on W(110) have been investigated at low temperature with scanning tunneling microscopy and spectroscopy. The spin-polarized current indicates that both kind of adatoms have in-plane magnetic moments, which couple antiferromagnetically with their underlying iron islands. Our first-principles calculations explain the observed behavior, predicting an antiparallel coupling of the induced 5d electrons magnetic moment of the lanthanides with the 3d magnetic moment of iron, as well as their in-plane orientation, and pointing to a non-contribution of 4f electrons to the spin-polarized tunneling processes in rare earths.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">26333417</PMID><DateCreated><Year>2015</Year><Month>09</Month><Day>03</Day></DateCreated><DateCompleted><Year>2016</Year><Month>01</Month><Day>13</Day></DateCompleted><DateRevised><Year>2015</Year><Month>09</Month><Day>12</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>5</Volume><PubDate><Year>2015</Year></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Antiferromagnetic Spin Coupling between Rare Earth Adatoms and Iron Islands Probed by Spin-Polarized Tunneling.</ArticleTitle><Pagination><MedlinePgn>13709</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/srep13709</ELocationID><Abstract><AbstractText>High-density magnetic storage or quantum computing could be achieved using small magnets with large magnetic anisotropy, a requirement that rare-earth iron alloys fulfill in bulk. This compelling property demands a thorough investigation of the magnetism in low dimensional rare-earth iron structures. Here, we report on the magnetic coupling between 4f single atoms and a 3d magnetic nanoisland. Thulium and lutetium adatoms deposited on iron monolayer islands pseudomorphically grown on W(110) have been investigated at low temperature with scanning tunneling microscopy and spectroscopy. The spin-polarized current indicates that both kind of adatoms have in-plane magnetic moments, which couple antiferromagnetically with their underlying iron islands. Our first-principles calculations explain the observed behavior, predicting an antiparallel coupling of the induced 5d electrons magnetic moment of the lanthanides with the 3d magnetic moment of iron, as well as their in-plane orientation, and pointing to a non-contribution of 4f electrons to the spin-polarized tunneling processes in rare earths.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Coffey</LastName><ForeName>David</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Departamento de Física de la Materia Condensada, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Diez-Ferrer</LastName><ForeName>José Luis</ForeName><Initials>JL</Initials><AffiliationInfo><Affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Serrate</LastName><ForeName>David</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Departamento de Física de la Materia Condensada, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ciria</LastName><ForeName>Miguel</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Departamento de Física de la Materia Condensada, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>de la Fuente</LastName><ForeName>César</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Instituto de Ciencia de Materiales de Aragón, Consejo Superior de Investigaciones Científicas, Zaragoza, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Departamento de Física de la Materia Condensada, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Arnaudas</LastName><ForeName>José Ignacio</ForeName><Initials>JI</Initials><AffiliationInfo><Affiliation>Laboratorio de Microscopías Avanzadas, Instituto de Nanociencia de Aragón, Universidad de Zaragoza, Zaragoza, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Departamento de Física de la Materia Condensada, Universidad de Zaragoza, Zaragoza, Spain.</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>2015</Year><Month>09</Month><Day>03</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Sci Rep</MedlineTA><NlmUniqueID>101563288</NlmUniqueID><ISSNLinking>2045-2322</ISSNLinking></MedlineJournalInfo><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Phys Rev Lett. 2014 Dec 5;113(23):237201</RefSource><PMID Version="1">25526151</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Phys Condens Matter. 2011 Jan 19;23(2):026001</RefSource><PMID Version="1">21406851</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nano Lett. 2012 Sep 12;12(9):4805-9</RefSource><PMID Version="1">22906055</PMID></CommentsCorrections></CommentsCorrectionsList><OtherID Source="NLM">PMC4558548</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>6</Month><Day>03</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2015</Year><Month>8</Month><Day>03</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>9</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>9</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>9</Month><Day>4</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">srep13709</ArticleId><ArticleId IdType="doi">10.1038/srep13709</ArticleId><ArticleId IdType="pubmed">26333417</ArticleId><ArticleId IdType="pmc">PMC4558548</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Espagne</li></country><region><li>Aragon (communauté autonome)</li></region><settlement><li>Saragosse</li></settlement><orgName><li>Université de Saragosse</li></orgName></list><tree><country name="Espagne"><region name="Aragon (communauté autonome)"><name sortKey="Coffey, David" sort="Coffey, David" uniqKey="Coffey D" first="David" last="Coffey">David Coffey</name></region><name sortKey="Arnaudas, Jose Ignacio" sort="Arnaudas, Jose Ignacio" uniqKey="Arnaudas J" first="José Ignacio" last="Arnaudas">José Ignacio Arnaudas</name><name sortKey="Ciria, Miguel" sort="Ciria, Miguel" uniqKey="Ciria M" first="Miguel" last="Ciria">Miguel Ciria</name><name sortKey="De La Fuente, Cesar" sort="De La Fuente, Cesar" uniqKey="De La Fuente C" first="César" last="De La Fuente">César De La Fuente</name><name sortKey="Diez Ferrer, Jose Luis" sort="Diez Ferrer, Jose Luis" uniqKey="Diez Ferrer J" first="José Luis" last="Diez-Ferrer">José Luis Diez-Ferrer</name><name sortKey="Serrate, David" sort="Serrate, David" uniqKey="Serrate D" first="David" last="Serrate">David Serrate</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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