All-optical probe of magnetization precession modulated by spin–orbit torque
Laser-induced magnetization precession modulated by an in-plane direct current was investigated in a W/CoFeB/MgO micron-sized strip using an all-optical time-resolved magneto-optical Kerr effect microscope. We observed a relatively large change in the precession frequency, owing to a current-induced...
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| Veröffentlicht in: | Applied physics letters 2020-09, Vol.117 (12) |
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| container_issue | 12 |
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| container_title | Applied physics letters |
| container_volume | 117 |
| creator | Ishibashi, Kazuaki Iihama, Satoshi Takeuchi, Yutaro Furuya, Kaito Kanai, Shun Fukami, Shunsuke Mizukami, Shigemi |
| description | Laser-induced magnetization precession modulated by an in-plane direct current was investigated in a W/CoFeB/MgO micron-sized strip using an all-optical time-resolved magneto-optical Kerr effect microscope. We observed a relatively large change in the precession frequency, owing to a current-induced spin–orbit torque. The generation efficiency of the spin–orbit torque was evaluated as −0.35 ± 0.03, which was in accordance with that evaluated from the modulation of damping. This technique may become an alternate method for the evaluation of spin–orbit torque. |
| doi_str_mv | 10.1063/5.0020852 |
| format | Article |
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This technique may become an alternate method for the evaluation of spin–orbit torque.</description><subject>Applied physics</subject><subject>Damping</subject><subject>Direct current</subject><subject>Kerr effects</subject><subject>Kerr magnetooptical effect</subject><subject>Magnetization</subject><subject>Precession</subject><subject>Torque</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUhoMoWKsL32DAlcLUZM5kMrMsxRsU3eg6ZHKRlOlkTFKhrnwH39AnMbVFF4Jncy58_P85B6FTgicEV3BJJxgXuKbFHhoRzFgOhNT7aIQxhrxqKDlERyEsUksLgBG6n3Zd7oZopeiywbtWZ85kS_Hc62jfRLSuT2MtdQibcunUqhNRq6xdZ2Gw_ef7h_OtjVl0_mWlj9GBEV3QJ7s8Rk_XV4-z23z-cHM3m85zCQ3EvGqlrJkGBoIIIEVpGlMDKAxNS2ipoEhTrZhiqTClZLqRFQNSYs1YS2sYo7Otblo52YbIF27l-2TJizIF1KzYUOdbSnoXgteGD94uhV9zgvnmXZzy3bsSe7Flg7Tx--4f-NX5X5APyvwH_1X-AuHUeUU</recordid><startdate>20200921</startdate><enddate>20200921</enddate><creator>Ishibashi, Kazuaki</creator><creator>Iihama, Satoshi</creator><creator>Takeuchi, Yutaro</creator><creator>Furuya, Kaito</creator><creator>Kanai, Shun</creator><creator>Fukami, Shunsuke</creator><creator>Mizukami, Shigemi</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-5750-2990</orcidid><orcidid>https://orcid.org/0000-0001-9913-1833</orcidid><orcidid>https://orcid.org/0000-0003-4689-1374</orcidid><orcidid>https://orcid.org/0000-0002-5267-0562</orcidid></search><sort><creationdate>20200921</creationdate><title>All-optical probe of magnetization precession modulated by spin–orbit torque</title><author>Ishibashi, Kazuaki ; Iihama, Satoshi ; Takeuchi, Yutaro ; Furuya, Kaito ; Kanai, Shun ; Fukami, Shunsuke ; Mizukami, Shigemi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-6bcc87e373a1a3124f9f833d039b154d32a31ed7d72a3f4c7e9c673140e77b583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applied physics</topic><topic>Damping</topic><topic>Direct current</topic><topic>Kerr effects</topic><topic>Kerr magnetooptical effect</topic><topic>Magnetization</topic><topic>Precession</topic><topic>Torque</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ishibashi, Kazuaki</creatorcontrib><creatorcontrib>Iihama, Satoshi</creatorcontrib><creatorcontrib>Takeuchi, Yutaro</creatorcontrib><creatorcontrib>Furuya, Kaito</creatorcontrib><creatorcontrib>Kanai, Shun</creatorcontrib><creatorcontrib>Fukami, Shunsuke</creatorcontrib><creatorcontrib>Mizukami, Shigemi</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ishibashi, Kazuaki</au><au>Iihama, Satoshi</au><au>Takeuchi, Yutaro</au><au>Furuya, Kaito</au><au>Kanai, Shun</au><au>Fukami, Shunsuke</au><au>Mizukami, Shigemi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>All-optical probe of magnetization precession modulated by spin–orbit torque</atitle><jtitle>Applied physics letters</jtitle><date>2020-09-21</date><risdate>2020</risdate><volume>117</volume><issue>12</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>Laser-induced magnetization precession modulated by an in-plane direct current was investigated in a W/CoFeB/MgO micron-sized strip using an all-optical time-resolved magneto-optical Kerr effect microscope. 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| ispartof | Applied physics letters, 2020-09, Vol.117 (12) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Damping Direct current Kerr effects Kerr magnetooptical effect Magnetization Precession Torque |
| title | All-optical probe of magnetization precession modulated by spin–orbit torque |
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