Investigation of the interfacial structure and transport properties of Fe3O4–SrTiO3 composite films
•Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by co-sputtering were investigated systematically.•The Fe3O4–STO system is a good candidate for possible multiferroic applications.•The composite films exhibit room temperature ferrimagnetis...
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| Veröffentlicht in: | Applied surface science 2013-12, Vol.287, p.69-74 |
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| creator | Jin, C. Zheng, D.X. Li, P. Mi, W.B. Bai, H.L. |
| description | •Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by co-sputtering were investigated systematically.•The Fe3O4–STO system is a good candidate for possible multiferroic applications.•The composite films exhibit room temperature ferrimagnetism and tunneling magnetoresistance.
Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by cosputtering were investigated systematically. X-ray diffraction, scanning electron microscopy and transmission electron microscopy analyses indicate that the nanosized Fe3O4 grains embedded in amorphous SrTiO3 matrix with well-defined interfaces. The X-ray photoelectron spectroscopy and zero-field-cooling and field-cooling curves reveal that the composite films have very light interfacial diffusion. The composite films exhibit room temperature ferrimagnetism and enhanced resistivity with increasing x. The tunneling transport of the conduction electrons across the grain boundaries causes negative tunneling magnetoresistance of 6.9% for x=0, and 3.3% for x=0.13 at 50kOe. |
| doi_str_mv | 10.1016/j.apsusc.2013.09.068 |
| format | Article |
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Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by cosputtering were investigated systematically. X-ray diffraction, scanning electron microscopy and transmission electron microscopy analyses indicate that the nanosized Fe3O4 grains embedded in amorphous SrTiO3 matrix with well-defined interfaces. The X-ray photoelectron spectroscopy and zero-field-cooling and field-cooling curves reveal that the composite films have very light interfacial diffusion. The composite films exhibit room temperature ferrimagnetism and enhanced resistivity with increasing x. The tunneling transport of the conduction electrons across the grain boundaries causes negative tunneling magnetoresistance of 6.9% for x=0, and 3.3% for x=0.13 at 50kOe.</description><identifier>ISSN: 0169-4332</identifier><identifier>EISSN: 1873-5584</identifier><identifier>DOI: 10.1016/j.apsusc.2013.09.068</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Composite films ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Grain boundaries ; Magnetic properties ; Magnetoresistance ; Nanostructure ; Physics ; Scanning electron microscopy ; Strontium titanates ; Transport properties ; Tunneling ; Tunneling transport ; X-rays</subject><ispartof>Applied surface science, 2013-12, Vol.287, p.69-74</ispartof><rights>2013 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c299t-7d61e7011d1045402ea79b8bb9fa3c3a2b22019fce73065e4305a7bd1f192da33</citedby><cites>FETCH-LOGICAL-c299t-7d61e7011d1045402ea79b8bb9fa3c3a2b22019fce73065e4305a7bd1f192da33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0169433213017091$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28597494$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Jin, C.</creatorcontrib><creatorcontrib>Zheng, D.X.</creatorcontrib><creatorcontrib>Li, P.</creatorcontrib><creatorcontrib>Mi, W.B.</creatorcontrib><creatorcontrib>Bai, H.L.</creatorcontrib><title>Investigation of the interfacial structure and transport properties of Fe3O4–SrTiO3 composite films</title><title>Applied surface science</title><description>•Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by co-sputtering were investigated systematically.•The Fe3O4–STO system is a good candidate for possible multiferroic applications.•The composite films exhibit room temperature ferrimagnetism and tunneling magnetoresistance.
Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by cosputtering were investigated systematically. X-ray diffraction, scanning electron microscopy and transmission electron microscopy analyses indicate that the nanosized Fe3O4 grains embedded in amorphous SrTiO3 matrix with well-defined interfaces. The X-ray photoelectron spectroscopy and zero-field-cooling and field-cooling curves reveal that the composite films have very light interfacial diffusion. The composite films exhibit room temperature ferrimagnetism and enhanced resistivity with increasing x. The tunneling transport of the conduction electrons across the grain boundaries causes negative tunneling magnetoresistance of 6.9% for x=0, and 3.3% for x=0.13 at 50kOe.</description><subject>Composite films</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Grain boundaries</subject><subject>Magnetic properties</subject><subject>Magnetoresistance</subject><subject>Nanostructure</subject><subject>Physics</subject><subject>Scanning electron microscopy</subject><subject>Strontium titanates</subject><subject>Transport properties</subject><subject>Tunneling</subject><subject>Tunneling transport</subject><subject>X-rays</subject><issn>0169-4332</issn><issn>1873-5584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kLtOHDEUhq0okbIB3iCFm0hpZvBtLm6QIgQJEtIWkNryeI4Tr2bHg48HiY53yBvyJPFqESXVKfz9Puf_CPnKWc0Zb893tV1wRVcLxmXNdM3a_gPZ8L6TVdP06iPZFExXSkrxmXxB3DHGRXndELiZHwFz-GNziDONnua_QMOcIXnrgp0o5rS6vCagdh5pTnbGJaZMlxQXSDkAHlLXILfq5fnfXboPW0ld3C8RQwbqw7THU_LJ2wnh7HWekN_XV_eXv6rb7c-byx-3lRNa56obWw4d43zkTDWKCbCdHvph0N5KJ60YRGmovYNOsrYBJVlju2HknmsxWilPyPfjv-W4h7X0MvuADqbJzhBXNLxtuGJMcV5QdURdiogJvFlS2Nv0ZDgzB6tmZ45WzcGqYdoUqyX27XWDRWcnX3S4gG9Z0Te6U1oV7uLIQan7GCAZdAFmB2NI4LIZY3h_0X_YwZFb</recordid><startdate>20131215</startdate><enddate>20131215</enddate><creator>Jin, C.</creator><creator>Zheng, D.X.</creator><creator>Li, P.</creator><creator>Mi, W.B.</creator><creator>Bai, H.L.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20131215</creationdate><title>Investigation of the interfacial structure and transport properties of Fe3O4–SrTiO3 composite films</title><author>Jin, C. ; Zheng, D.X. ; Li, P. ; Mi, W.B. ; Bai, H.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c299t-7d61e7011d1045402ea79b8bb9fa3c3a2b22019fce73065e4305a7bd1f192da33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Composite films</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Grain boundaries</topic><topic>Magnetic properties</topic><topic>Magnetoresistance</topic><topic>Nanostructure</topic><topic>Physics</topic><topic>Scanning electron microscopy</topic><topic>Strontium titanates</topic><topic>Transport properties</topic><topic>Tunneling</topic><topic>Tunneling transport</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jin, C.</creatorcontrib><creatorcontrib>Zheng, D.X.</creatorcontrib><creatorcontrib>Li, P.</creatorcontrib><creatorcontrib>Mi, W.B.</creatorcontrib><creatorcontrib>Bai, H.L.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jin, C.</au><au>Zheng, D.X.</au><au>Li, P.</au><au>Mi, W.B.</au><au>Bai, H.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of the interfacial structure and transport properties of Fe3O4–SrTiO3 composite films</atitle><jtitle>Applied surface science</jtitle><date>2013-12-15</date><risdate>2013</risdate><volume>287</volume><spage>69</spage><epage>74</epage><pages>69-74</pages><issn>0169-4332</issn><eissn>1873-5584</eissn><abstract>•Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by co-sputtering were investigated systematically.•The Fe3O4–STO system is a good candidate for possible multiferroic applications.•The composite films exhibit room temperature ferrimagnetism and tunneling magnetoresistance.
Interfacial structure, magnetic and transport properties of the (Fe3O4)1−x(SrTiO3)x composite films prepared by cosputtering were investigated systematically. X-ray diffraction, scanning electron microscopy and transmission electron microscopy analyses indicate that the nanosized Fe3O4 grains embedded in amorphous SrTiO3 matrix with well-defined interfaces. The X-ray photoelectron spectroscopy and zero-field-cooling and field-cooling curves reveal that the composite films have very light interfacial diffusion. The composite films exhibit room temperature ferrimagnetism and enhanced resistivity with increasing x. The tunneling transport of the conduction electrons across the grain boundaries causes negative tunneling magnetoresistance of 6.9% for x=0, and 3.3% for x=0.13 at 50kOe.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apsusc.2013.09.068</doi><tpages>6</tpages></addata></record> |
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| subjects | Composite films Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Grain boundaries Magnetic properties Magnetoresistance Nanostructure Physics Scanning electron microscopy Strontium titanates Transport properties Tunneling Tunneling transport X-rays |
| title | Investigation of the interfacial structure and transport properties of Fe3O4–SrTiO3 composite films |
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