Strain effect on the magnetic and transport properties of LaCoO3 thin films
LaCoO3 (LCO) has attracted much attention due to the unique magnetic transition and spin transition of Co3+ ions. Epitaxial LCO film exhibits an unexpected ferromagnetism, in contrast to the non-magnetism of bulk LCO. An in-depth study on the property of strained LCO film is of great importance. We...
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| Veröffentlicht in: | AIP advances 2018-05, Vol.8 (5), p.056317-056317-5 |
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| creator | Li, Y. Peng, S. J. Wang, D. J. Wu, K. M. Wang, S. H. |
| description | LaCoO3 (LCO) has attracted much attention due to the unique magnetic transition and spin transition of Co3+ ions. Epitaxial LCO film exhibits an unexpected ferromagnetism, in contrast to the non-magnetism of bulk LCO. An in-depth study on the property of strained LCO film is of great importance. We have fabricated 30 nm LCO films on various substrates and studied the magnetic and transport properties of films in different strain states (compressed strain for LCO/LaAlO3, tensile strain for LCO/(LaAlO3)0.3(Sr2TaAlO6)0.35, SrTiO3). The in-plane tensiled LCO films exhibit ferromagnetic ground state at 5K and magnetic transition with TC around 85K, while compressed LCO/LaAlO3 film has a negligibly small moment signal. Our results reveal that in-plane tensile strain and tetragonal distortion are much more favorable for stabilizing the FM order in LCO films. |
| doi_str_mv | 10.1063/1.5006280 |
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J. ; Wang, D. J. ; Wu, K. M. ; Wang, S. H.</creator><creatorcontrib>Li, Y. ; Peng, S. J. ; Wang, D. J. ; Wu, K. M. ; Wang, S. H.</creatorcontrib><description>LaCoO3 (LCO) has attracted much attention due to the unique magnetic transition and spin transition of Co3+ ions. Epitaxial LCO film exhibits an unexpected ferromagnetism, in contrast to the non-magnetism of bulk LCO. An in-depth study on the property of strained LCO film is of great importance. We have fabricated 30 nm LCO films on various substrates and studied the magnetic and transport properties of films in different strain states (compressed strain for LCO/LaAlO3, tensile strain for LCO/(LaAlO3)0.3(Sr2TaAlO6)0.35, SrTiO3). The in-plane tensiled LCO films exhibit ferromagnetic ground state at 5K and magnetic transition with TC around 85K, while compressed LCO/LaAlO3 film has a negligibly small moment signal. Our results reveal that in-plane tensile strain and tetragonal distortion are much more favorable for stabilizing the FM order in LCO films.</description><identifier>ISSN: 2158-3226</identifier><identifier>EISSN: 2158-3226</identifier><identifier>DOI: 10.1063/1.5006280</identifier><identifier>CODEN: AAIDBI</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Ferromagnetic materials ; Magnetic properties ; Magnetic transitions ; Magnetism ; Spin transition ; Strontium titanates ; Substrates ; Tensile strain ; Thin films ; Transport properties</subject><ispartof>AIP advances, 2018-05, Vol.8 (5), p.056317-056317-5</ispartof><rights>Author(s)</rights><rights>2018 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c428t-c9bcded516589098283c113e87c106ef612c743cdb3aecb58bb0df65f9524a5e3</citedby><cites>FETCH-LOGICAL-c428t-c9bcded516589098283c113e87c106ef612c743cdb3aecb58bb0df65f9524a5e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,2096,27901,27902</link.rule.ids></links><search><creatorcontrib>Li, Y.</creatorcontrib><creatorcontrib>Peng, S. J.</creatorcontrib><creatorcontrib>Wang, D. J.</creatorcontrib><creatorcontrib>Wu, K. M.</creatorcontrib><creatorcontrib>Wang, S. H.</creatorcontrib><title>Strain effect on the magnetic and transport properties of LaCoO3 thin films</title><title>AIP advances</title><description>LaCoO3 (LCO) has attracted much attention due to the unique magnetic transition and spin transition of Co3+ ions. Epitaxial LCO film exhibits an unexpected ferromagnetism, in contrast to the non-magnetism of bulk LCO. An in-depth study on the property of strained LCO film is of great importance. We have fabricated 30 nm LCO films on various substrates and studied the magnetic and transport properties of films in different strain states (compressed strain for LCO/LaAlO3, tensile strain for LCO/(LaAlO3)0.3(Sr2TaAlO6)0.35, SrTiO3). The in-plane tensiled LCO films exhibit ferromagnetic ground state at 5K and magnetic transition with TC around 85K, while compressed LCO/LaAlO3 film has a negligibly small moment signal. Our results reveal that in-plane tensile strain and tetragonal distortion are much more favorable for stabilizing the FM order in LCO films.</description><subject>Ferromagnetic materials</subject><subject>Magnetic properties</subject><subject>Magnetic transitions</subject><subject>Magnetism</subject><subject>Spin transition</subject><subject>Strontium titanates</subject><subject>Substrates</subject><subject>Tensile strain</subject><subject>Thin films</subject><subject>Transport properties</subject><issn>2158-3226</issn><issn>2158-3226</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNqdkE1LAzEQhoMoWLQH_0HAk8LWfDd7lOJHsdCDeg7ZfNQt7WZNUsF_b-oW9excZhieeWfmBeACowlGgt7gCUdIEImOwIhgLitKiDj-U5-CcUprVILVGEk2Ak_POeq2g857ZzIMHcxvDm71qnO5NVB3FhagS32IGfYx9C7m1iUYPFzoWVjSwpdx32626RyceL1JbnzIZ-D1_u5l9lgtlg_z2e2iMozIXJm6MdZZjgWXNaolkdRgTJ2cmvKF8wITM2XU2IZqZxoumwZZL7ivOWGaO3oG5oOuDXqt-thudfxUQbfquxHiSulypdk4JbRgnBQVpCmzVmvLSEMaw7hnlou91uWgVX5737mU1TrsYlfOVwQX2zBinBbqaqBMDClF53-2YqT21iusDtYX9npgk2mzzm3o_gd_hPgLqt56-gW5YJC_</recordid><startdate>201805</startdate><enddate>201805</enddate><creator>Li, Y.</creator><creator>Peng, S. J.</creator><creator>Wang, D. J.</creator><creator>Wu, K. M.</creator><creator>Wang, S. H.</creator><general>American Institute of Physics</general><general>AIP Publishing LLC</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>DOA</scope></search><sort><creationdate>201805</creationdate><title>Strain effect on the magnetic and transport properties of LaCoO3 thin films</title><author>Li, Y. ; Peng, S. J. ; Wang, D. J. ; Wu, K. M. ; Wang, S. H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c428t-c9bcded516589098283c113e87c106ef612c743cdb3aecb58bb0df65f9524a5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Ferromagnetic materials</topic><topic>Magnetic properties</topic><topic>Magnetic transitions</topic><topic>Magnetism</topic><topic>Spin transition</topic><topic>Strontium titanates</topic><topic>Substrates</topic><topic>Tensile strain</topic><topic>Thin films</topic><topic>Transport properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Y.</creatorcontrib><creatorcontrib>Peng, S. J.</creatorcontrib><creatorcontrib>Wang, D. J.</creatorcontrib><creatorcontrib>Wu, K. M.</creatorcontrib><creatorcontrib>Wang, S. H.</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>AIP advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Y.</au><au>Peng, S. J.</au><au>Wang, D. J.</au><au>Wu, K. M.</au><au>Wang, S. H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strain effect on the magnetic and transport properties of LaCoO3 thin films</atitle><jtitle>AIP advances</jtitle><date>2018-05</date><risdate>2018</risdate><volume>8</volume><issue>5</issue><spage>056317</spage><epage>056317-5</epage><pages>056317-056317-5</pages><issn>2158-3226</issn><eissn>2158-3226</eissn><coden>AAIDBI</coden><abstract>LaCoO3 (LCO) has attracted much attention due to the unique magnetic transition and spin transition of Co3+ ions. Epitaxial LCO film exhibits an unexpected ferromagnetism, in contrast to the non-magnetism of bulk LCO. An in-depth study on the property of strained LCO film is of great importance. We have fabricated 30 nm LCO films on various substrates and studied the magnetic and transport properties of films in different strain states (compressed strain for LCO/LaAlO3, tensile strain for LCO/(LaAlO3)0.3(Sr2TaAlO6)0.35, SrTiO3). The in-plane tensiled LCO films exhibit ferromagnetic ground state at 5K and magnetic transition with TC around 85K, while compressed LCO/LaAlO3 film has a negligibly small moment signal. Our results reveal that in-plane tensile strain and tetragonal distortion are much more favorable for stabilizing the FM order in LCO films.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5006280</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Ferromagnetic materials Magnetic properties Magnetic transitions Magnetism Spin transition Strontium titanates Substrates Tensile strain Thin films Transport properties |
| title | Strain effect on the magnetic and transport properties of LaCoO3 thin films |
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