Quenching of the Exchange Bias Training in Fe/Cr{sub 2}O{sub 3}/Fe Trilayer
Exchange bias (EB) and its associated training effects are studied in an epitaxial Fe(10 nm)/Cr{sub 2}O{sub 3}(2.7 nm)/Fe(10 nm) trilayer heterostructure grown by molecular beam epitaxy. The EB decreases linearly with increasing temperature from T = 5 K to T = 50 K. It changes sign and becomes posit...
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| Veröffentlicht in: | AIP conference proceedings 2008-10, Vol.1063 (1) |
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| creator | Sahoo, Sarbeswar Binek, Christian |
| description | Exchange bias (EB) and its associated training effects are studied in an epitaxial Fe(10 nm)/Cr{sub 2}O{sub 3}(2.7 nm)/Fe(10 nm) trilayer heterostructure grown by molecular beam epitaxy. The EB decreases linearly with increasing temperature from T = 5 K to T = 50 K. It changes sign and becomes positive within 50 K < T < 200 K, finally changing back to regular EB for T |
| doi_str_mv | 10.1063/1.3027152 |
| format | Article |
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The EB decreases linearly with increasing temperature from T = 5 K to T = 50 K. It changes sign and becomes positive within 50 K < T < 200 K, finally changing back to regular EB for T<200K up to the highest measured temperature of T = 395 K. Remarkably, the latter is far above the bulk Neel temperature TN = 307 K. EB training effects occur only at 5 K < T < 50 K. We show that this training can be quenched by subjecting the system to DC magnetic field, {mu}{sub 0}H{sub DC} {<=} 7 T. The applied field most likely induces a temperature dependent spin-flop transition. Upon its removal the antiferromagnetic Cr{sub 2}O{sub 3} pinning layer evolves uniformly into its quasi-equilibrium spin configuration thus leading to quasi-equilibrium EB.]]></description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/1.3027152</identifier><language>eng</language><publisher>United States</publisher><subject>ANTIFERROMAGNETISM ; CHROMIUM OXIDES ; CRYSTAL GROWTH ; IRON ; LAYERS ; MAGNETIC FIELDS ; MATERIALS SCIENCE ; MOLECULAR BEAM EPITAXY ; NEEL TEMPERATURE ; SPIN ; TEMPERATURE DEPENDENCE ; TEMPERATURE RANGE 0000-0013 K ; TEMPERATURE RANGE 0013-0065 K ; TEMPERATURE RANGE 0065-0273 K ; TEMPERATURE RANGE 0273-0400 K ; THIN FILMS</subject><ispartof>AIP conference proceedings, 2008-10, Vol.1063 (1)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/21251593$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Sahoo, Sarbeswar</creatorcontrib><creatorcontrib>Binek, Christian</creatorcontrib><title>Quenching of the Exchange Bias Training in Fe/Cr{sub 2}O{sub 3}/Fe Trilayer</title><title>AIP conference proceedings</title><description><![CDATA[Exchange bias (EB) and its associated training effects are studied in an epitaxial Fe(10 nm)/Cr{sub 2}O{sub 3}(2.7 nm)/Fe(10 nm) trilayer heterostructure grown by molecular beam epitaxy. The EB decreases linearly with increasing temperature from T = 5 K to T = 50 K. It changes sign and becomes positive within 50 K < T < 200 K, finally changing back to regular EB for T<200K up to the highest measured temperature of T = 395 K. Remarkably, the latter is far above the bulk Neel temperature TN = 307 K. EB training effects occur only at 5 K < T < 50 K. We show that this training can be quenched by subjecting the system to DC magnetic field, {mu}{sub 0}H{sub DC} {<=} 7 T. The applied field most likely induces a temperature dependent spin-flop transition. Upon its removal the antiferromagnetic Cr{sub 2}O{sub 3} pinning layer evolves uniformly into its quasi-equilibrium spin configuration thus leading to quasi-equilibrium EB.]]></description><subject>ANTIFERROMAGNETISM</subject><subject>CHROMIUM OXIDES</subject><subject>CRYSTAL GROWTH</subject><subject>IRON</subject><subject>LAYERS</subject><subject>MAGNETIC FIELDS</subject><subject>MATERIALS SCIENCE</subject><subject>MOLECULAR BEAM EPITAXY</subject><subject>NEEL TEMPERATURE</subject><subject>SPIN</subject><subject>TEMPERATURE DEPENDENCE</subject><subject>TEMPERATURE RANGE 0000-0013 K</subject><subject>TEMPERATURE RANGE 0013-0065 K</subject><subject>TEMPERATURE RANGE 0065-0273 K</subject><subject>TEMPERATURE RANGE 0273-0400 K</subject><subject>THIN FILMS</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNyrsKwjAUgOEgCtbL4BsEnNvmJE1rV0uL4CBCBzeJ4dhGJIWmgiJ9dy_4AE7f8P-ELIAFwGIRQiAYT0DyAfFASvCTGOIh8RhLI59H4jAmE-cujPE0SVYe2e5vaHVtbEWbM-1qpPld18pWSNdGOVq2ythPNZYWGGbt091OlPe7r6IPC3w_5qoe2M7I6KyuDuc_p2RZ5GW28RvXmaPTpkNd68Za1N2RA5cgUyH-u15ZFkDj</recordid><startdate>20081023</startdate><enddate>20081023</enddate><creator>Sahoo, Sarbeswar</creator><creator>Binek, Christian</creator><scope>OTOTI</scope></search><sort><creationdate>20081023</creationdate><title>Quenching of the Exchange Bias Training in Fe/Cr{sub 2}O{sub 3}/Fe Trilayer</title><author>Sahoo, Sarbeswar ; Binek, Christian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-osti_scitechconnect_212515933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>ANTIFERROMAGNETISM</topic><topic>CHROMIUM OXIDES</topic><topic>CRYSTAL GROWTH</topic><topic>IRON</topic><topic>LAYERS</topic><topic>MAGNETIC FIELDS</topic><topic>MATERIALS SCIENCE</topic><topic>MOLECULAR BEAM EPITAXY</topic><topic>NEEL TEMPERATURE</topic><topic>SPIN</topic><topic>TEMPERATURE DEPENDENCE</topic><topic>TEMPERATURE RANGE 0000-0013 K</topic><topic>TEMPERATURE RANGE 0013-0065 K</topic><topic>TEMPERATURE RANGE 0065-0273 K</topic><topic>TEMPERATURE RANGE 0273-0400 K</topic><topic>THIN FILMS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sahoo, Sarbeswar</creatorcontrib><creatorcontrib>Binek, Christian</creatorcontrib><collection>OSTI.GOV</collection><jtitle>AIP conference proceedings</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sahoo, Sarbeswar</au><au>Binek, Christian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quenching of the Exchange Bias Training in Fe/Cr{sub 2}O{sub 3}/Fe Trilayer</atitle><jtitle>AIP conference proceedings</jtitle><date>2008-10-23</date><risdate>2008</risdate><volume>1063</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><abstract><![CDATA[Exchange bias (EB) and its associated training effects are studied in an epitaxial Fe(10 nm)/Cr{sub 2}O{sub 3}(2.7 nm)/Fe(10 nm) trilayer heterostructure grown by molecular beam epitaxy. The EB decreases linearly with increasing temperature from T = 5 K to T = 50 K. It changes sign and becomes positive within 50 K < T < 200 K, finally changing back to regular EB for T<200K up to the highest measured temperature of T = 395 K. Remarkably, the latter is far above the bulk Neel temperature TN = 307 K. EB training effects occur only at 5 K < T < 50 K. We show that this training can be quenched by subjecting the system to DC magnetic field, {mu}{sub 0}H{sub DC} {<=} 7 T. The applied field most likely induces a temperature dependent spin-flop transition. Upon its removal the antiferromagnetic Cr{sub 2}O{sub 3} pinning layer evolves uniformly into its quasi-equilibrium spin configuration thus leading to quasi-equilibrium EB.]]></abstract><cop>United States</cop><doi>10.1063/1.3027152</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2008-10, Vol.1063 (1) |
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| language | eng |
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| source | AIP Journals Complete |
| subjects | ANTIFERROMAGNETISM CHROMIUM OXIDES CRYSTAL GROWTH IRON LAYERS MAGNETIC FIELDS MATERIALS SCIENCE MOLECULAR BEAM EPITAXY NEEL TEMPERATURE SPIN TEMPERATURE DEPENDENCE TEMPERATURE RANGE 0000-0013 K TEMPERATURE RANGE 0013-0065 K TEMPERATURE RANGE 0065-0273 K TEMPERATURE RANGE 0273-0400 K THIN FILMS |
| title | Quenching of the Exchange Bias Training in Fe/Cr{sub 2}O{sub 3}/Fe Trilayer |
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