Current-driven narrow domain wall depinning in perpendicular spin valves
We have studied the current-driven depinning processes for a narrow 12-nm wide one-dimensional Bloch domain wall (DW) in films exhibiting perpendicular magnetic anisotropy (PMA). High sensitivity magnetotransport measurements allow us to observe the motion of the narrow DW between pinned sites separ...
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| Veröffentlicht in: | IEEE transactions on magnetics 2005-10, Vol.41 (10), p.2618-2620 |
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| container_title | IEEE transactions on magnetics |
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| creator | Ravelosona, D. Lacour, D. Katine, J.A. Terris, B.D. |
| description | We have studied the current-driven depinning processes for a narrow 12-nm wide one-dimensional Bloch domain wall (DW) in films exhibiting perpendicular magnetic anisotropy (PMA). High sensitivity magnetotransport measurements allow us to observe the motion of the narrow DW between pinned sites separated by /spl sim/20 nm. Thermal fluctuations are found to play a crucial role. A current-driven depinning force two to three orders of magnitude higher than has been seen in conventional in-plane systems is found, suggesting a more efficient spin transfer mechanism in our PMA system. |
| doi_str_mv | 10.1109/TMAG.2005.855347 |
| format | Article |
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High sensitivity magnetotransport measurements allow us to observe the motion of the narrow DW between pinned sites separated by /spl sim/20 nm. Thermal fluctuations are found to play a crucial role. A current-driven depinning force two to three orders of magnitude higher than has been seen in conventional in-plane systems is found, suggesting a more efficient spin transfer mechanism in our PMA system.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2005.855347</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Cross-disciplinary physics: materials science; rheology ; Domain wall (DW) ; Exact sciences and technology ; Gold ; Magnetic domain walls ; Magnetic domains ; Magnetic films ; Magnetic separation ; Magnetism ; Magnetization reversal ; Materials science ; Motion measurement ; Other topics in materials science ; perpendicular anisotropy ; Perpendicular magnetic anisotropy ; Physics ; spin transfer ; Spin valves ; Wires</subject><ispartof>IEEE transactions on magnetics, 2005-10, Vol.41 (10), p.2618-2620</ispartof><rights>2006 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2005</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-41fce9df593621e0e7e2a14c0dcac6e664892b5674e11b08fd141c5dbf8945f3</citedby><cites>FETCH-LOGICAL-c351t-41fce9df593621e0e7e2a14c0dcac6e664892b5674e11b08fd141c5dbf8945f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1519067$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,792,23911,23912,25120,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1519067$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17230832$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ravelosona, D.</creatorcontrib><creatorcontrib>Lacour, D.</creatorcontrib><creatorcontrib>Katine, J.A.</creatorcontrib><creatorcontrib>Terris, B.D.</creatorcontrib><title>Current-driven narrow domain wall depinning in perpendicular spin valves</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>We have studied the current-driven depinning processes for a narrow 12-nm wide one-dimensional Bloch domain wall (DW) in films exhibiting perpendicular magnetic anisotropy (PMA). High sensitivity magnetotransport measurements allow us to observe the motion of the narrow DW between pinned sites separated by /spl sim/20 nm. Thermal fluctuations are found to play a crucial role. A current-driven depinning force two to three orders of magnitude higher than has been seen in conventional in-plane systems is found, suggesting a more efficient spin transfer mechanism in our PMA system.</description><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Domain wall (DW)</subject><subject>Exact sciences and technology</subject><subject>Gold</subject><subject>Magnetic domain walls</subject><subject>Magnetic domains</subject><subject>Magnetic films</subject><subject>Magnetic separation</subject><subject>Magnetism</subject><subject>Magnetization reversal</subject><subject>Materials science</subject><subject>Motion measurement</subject><subject>Other topics in materials science</subject><subject>perpendicular anisotropy</subject><subject>Perpendicular magnetic anisotropy</subject><subject>Physics</subject><subject>spin transfer</subject><subject>Spin valves</subject><subject>Wires</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkM1LxDAQxYMouH7cBS9F0FvXmeajzVEWv0DxsveQTacS6aY12a7435tlBcHTMPN-7zE8xi4Q5oigb5evd4_zCkDOGym5qA_YDLXAEkDpQzYDwKbUQoljdpLSR16FRJixp8UUI4VN2Ua_pVAEG-PwVbTD2vpQfNm-L1oafQg-vBf5MlIcKbTeTb2NRcpKsbX9ltIZO-psn-j8d56y5cP9cvFUvrw9Pi_uXkrHJW5KgZ0j3XZSc1UhAdVUWRQOWmedIqVEo6uVVLUgxBU0XYsCnWxXXaOF7Pgpu9nHjnH4nChtzNonR31vAw1TMlWtNSLnGbz6B34MUwz5NdPkdAUVrzMEe8jFIaVInRmjX9v4bRDMrlazq9XsajX7WrPl-jfXJmf7LtrgfPrz1RWHhleZu9xznoj-ZIkaVM1_AOIvgIA</recordid><startdate>20051001</startdate><enddate>20051001</enddate><creator>Ravelosona, D.</creator><creator>Lacour, D.</creator><creator>Katine, J.A.</creator><creator>Terris, B.D.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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High sensitivity magnetotransport measurements allow us to observe the motion of the narrow DW between pinned sites separated by /spl sim/20 nm. Thermal fluctuations are found to play a crucial role. A current-driven depinning force two to three orders of magnitude higher than has been seen in conventional in-plane systems is found, suggesting a more efficient spin transfer mechanism in our PMA system.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2005.855347</doi><tpages>3</tpages></addata></record> |
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| subjects | Cross-disciplinary physics: materials science rheology Domain wall (DW) Exact sciences and technology Gold Magnetic domain walls Magnetic domains Magnetic films Magnetic separation Magnetism Magnetization reversal Materials science Motion measurement Other topics in materials science perpendicular anisotropy Perpendicular magnetic anisotropy Physics spin transfer Spin valves Wires |
| title | Current-driven narrow domain wall depinning in perpendicular spin valves |
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