Giant magneto-electric coupling in 100 nm thick Co capped by ZnO nanorods
Here we report a giant, completely reversible magneto-electric coupling of 100 nm polycrystalline Co layer in contact with ZnO nanorods. When the sample is under an applied bias of ±2 V, the Co magnetic coercivity is reduced by a factor 5 from the un-poled case, with additionally a reduction of tota...
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| Veröffentlicht in: | Nanoscale 2018-01, Vol.10 (3), p.1326-1336 |
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| creator | Vinai, Giovanni Ressel, Barbara Torelli, Piero Loi, Federico Gobaut, Benoit Ciancio, Regina Casarin, Barbara Caretta, Antonio Capasso, Luca Parmigiani, Fulvio Cugini, Francesco Solzi, Massimo Malvestuto, Marco Ciprian, Roberta |
| description | Here we report a giant, completely reversible magneto-electric coupling of 100 nm polycrystalline Co layer in contact with ZnO nanorods. When the sample is under an applied bias of ±2 V, the Co magnetic coercivity is reduced by a factor 5 from the un-poled case, with additionally a reduction of total magnetic moment in Co. Taking into account the chemical properties of ZnO nanorods measured by X-rays absorption near edge spectroscopy under bias, we conclude that these macroscopic effects on the magnetic response of the Co layer are due to the microstructure and the strong strain-driven magneto-electric coupling induced by the ZnO nanorods, whose nanostructuration maximizes the piezoelectric response under bias. |
| doi_str_mv | 10.1039/c7nr09233d |
| format | Article |
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When the sample is under an applied bias of ±2 V, the Co magnetic coercivity is reduced by a factor 5 from the un-poled case, with additionally a reduction of total magnetic moment in Co. Taking into account the chemical properties of ZnO nanorods measured by X-rays absorption near edge spectroscopy under bias, we conclude that these macroscopic effects on the magnetic response of the Co layer are due to the microstructure and the strong strain-driven magneto-electric coupling induced by the ZnO nanorods, whose nanostructuration maximizes the piezoelectric response under bias.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/c7nr09233d</identifier><identifier>PMID: 29296985</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Bias ; Chemical properties ; Coercivity ; Coupling ; Electric contacts ; Magnetic moments ; Magnetic properties ; Nanorods ; Piezoelectricity ; Zinc oxide</subject><ispartof>Nanoscale, 2018-01, Vol.10 (3), p.1326-1336</ispartof><rights>Copyright Royal Society of Chemistry 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-21dbb94b88aa13084a885f7055c02ad4d2b2f7d3205e7c808a2fd3124eae71643</citedby><cites>FETCH-LOGICAL-c356t-21dbb94b88aa13084a885f7055c02ad4d2b2f7d3205e7c808a2fd3124eae71643</cites><orcidid>0000-0002-4086-8774 ; 0000-0002-2440-024X ; 0000-0003-4418-035X ; 0000-0003-4882-663X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29296985$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vinai, Giovanni</creatorcontrib><creatorcontrib>Ressel, Barbara</creatorcontrib><creatorcontrib>Torelli, Piero</creatorcontrib><creatorcontrib>Loi, Federico</creatorcontrib><creatorcontrib>Gobaut, Benoit</creatorcontrib><creatorcontrib>Ciancio, Regina</creatorcontrib><creatorcontrib>Casarin, Barbara</creatorcontrib><creatorcontrib>Caretta, Antonio</creatorcontrib><creatorcontrib>Capasso, Luca</creatorcontrib><creatorcontrib>Parmigiani, Fulvio</creatorcontrib><creatorcontrib>Cugini, Francesco</creatorcontrib><creatorcontrib>Solzi, Massimo</creatorcontrib><creatorcontrib>Malvestuto, Marco</creatorcontrib><creatorcontrib>Ciprian, Roberta</creatorcontrib><title>Giant magneto-electric coupling in 100 nm thick Co capped by ZnO nanorods</title><title>Nanoscale</title><addtitle>Nanoscale</addtitle><description>Here we report a giant, completely reversible magneto-electric coupling of 100 nm polycrystalline Co layer in contact with ZnO nanorods. When the sample is under an applied bias of ±2 V, the Co magnetic coercivity is reduced by a factor 5 from the un-poled case, with additionally a reduction of total magnetic moment in Co. Taking into account the chemical properties of ZnO nanorods measured by X-rays absorption near edge spectroscopy under bias, we conclude that these macroscopic effects on the magnetic response of the Co layer are due to the microstructure and the strong strain-driven magneto-electric coupling induced by the ZnO nanorods, whose nanostructuration maximizes the piezoelectric response under bias.</description><subject>Bias</subject><subject>Chemical properties</subject><subject>Coercivity</subject><subject>Coupling</subject><subject>Electric contacts</subject><subject>Magnetic moments</subject><subject>Magnetic properties</subject><subject>Nanorods</subject><subject>Piezoelectricity</subject><subject>Zinc oxide</subject><issn>2040-3364</issn><issn>2040-3372</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpd0E9LwzAYBvAgipvTix9AAl5EqL750zY9StU5GA5EL15KmqSzs01q0h727d2c7uDpfQ8_Hh4ehM4J3BBg2a1KrYeMMqYP0JgCh4ixlB7u_4SP0EkIK4AkYwk7RiOa0SzJRDxGs2ktbY9bubSmd5FpjOp9rbByQ9fUdolriwkAti3uP2r1iXOHlew6o3G5xu92ga20zjsdTtFRJZtgzn7vBL09PrzmT9F8MZ3ld_NIsTjpI0p0WWa8FEJKwkBwKURcpRDHCqjUXNOSVqlmFGKTKgFC0kozQrmRJiUJZxN0tcvtvPsaTOiLtg7KNI20xg2hIJnglHEWxxt6-Y-u3ODtpl1BgYAQdAsn6HqnlHcheFMVna9b6dcFgWI7cJGnzy8_A99v8MVv5FC2Ru_p36LsG1sqcwI</recordid><startdate>20180121</startdate><enddate>20180121</enddate><creator>Vinai, Giovanni</creator><creator>Ressel, Barbara</creator><creator>Torelli, Piero</creator><creator>Loi, Federico</creator><creator>Gobaut, Benoit</creator><creator>Ciancio, Regina</creator><creator>Casarin, Barbara</creator><creator>Caretta, Antonio</creator><creator>Capasso, Luca</creator><creator>Parmigiani, Fulvio</creator><creator>Cugini, Francesco</creator><creator>Solzi, Massimo</creator><creator>Malvestuto, Marco</creator><creator>Ciprian, Roberta</creator><general>Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-4086-8774</orcidid><orcidid>https://orcid.org/0000-0002-2440-024X</orcidid><orcidid>https://orcid.org/0000-0003-4418-035X</orcidid><orcidid>https://orcid.org/0000-0003-4882-663X</orcidid></search><sort><creationdate>20180121</creationdate><title>Giant magneto-electric coupling in 100 nm thick Co capped by ZnO nanorods</title><author>Vinai, Giovanni ; 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When the sample is under an applied bias of ±2 V, the Co magnetic coercivity is reduced by a factor 5 from the un-poled case, with additionally a reduction of total magnetic moment in Co. Taking into account the chemical properties of ZnO nanorods measured by X-rays absorption near edge spectroscopy under bias, we conclude that these macroscopic effects on the magnetic response of the Co layer are due to the microstructure and the strong strain-driven magneto-electric coupling induced by the ZnO nanorods, whose nanostructuration maximizes the piezoelectric response under bias.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>29296985</pmid><doi>10.1039/c7nr09233d</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-4086-8774</orcidid><orcidid>https://orcid.org/0000-0002-2440-024X</orcidid><orcidid>https://orcid.org/0000-0003-4418-035X</orcidid><orcidid>https://orcid.org/0000-0003-4882-663X</orcidid></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Bias Chemical properties Coercivity Coupling Electric contacts Magnetic moments Magnetic properties Nanorods Piezoelectricity Zinc oxide |
| title | Giant magneto-electric coupling in 100 nm thick Co capped by ZnO nanorods |
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