Surface spin-transfer torque and spin-injection effective field in ferromagnetic junctions: Unified theory
We consider theoretically a current flowing perpendicular to interfaces of a spin-valve type ferromagnetic metallic junction. For the first time an effective approach is investigated to calculate a simultaneous action of the two current effects, namely, the nonequilibrium longitudinal spin injection...
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Veröffentlicht in: | Journal of magnetism and magnetic materials 2006-05, Vol.300 (1), p.122-126 |
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container_title | Journal of magnetism and magnetic materials |
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creator | Elliott, R.J. Epshtein, E.M. Gulyaev, Yu.V. Zilberman, P.E. |
description | We consider theoretically a current flowing perpendicular to interfaces of a spin-valve type ferromagnetic metallic junction. For the first time an effective approach is investigated to calculate a simultaneous action of the two current effects, namely, the nonequilibrium longitudinal spin injection and the transversal spin-transfer surface torque. Dispersion relation for fluctuations is derived and solved. Nonlinear problem is solved about steady state arising due to instability for a thick enough free layer. |
doi_str_mv | 10.1016/j.jmmm.2005.10.047 |
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For the first time an effective approach is investigated to calculate a simultaneous action of the two current effects, namely, the nonequilibrium longitudinal spin injection and the transversal spin-transfer surface torque. Dispersion relation for fluctuations is derived and solved. Nonlinear problem is solved about steady state arising due to instability for a thick enough free layer.</description><identifier>ISSN: 0304-8853</identifier><identifier>DOI: 10.1016/j.jmmm.2005.10.047</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Magnetic junctions ; Spin injection ; Spin torque</subject><ispartof>Journal of magnetism and magnetic materials, 2006-05, Vol.300 (1), p.122-126</ispartof><rights>2005 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c331t-a7c4df1d41757445358ee9ef1c650da45ccbef1266db07737d174b6f8ebe338c3</citedby><cites>FETCH-LOGICAL-c331t-a7c4df1d41757445358ee9ef1c650da45ccbef1266db07737d174b6f8ebe338c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S030488530500898X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Elliott, R.J.</creatorcontrib><creatorcontrib>Epshtein, E.M.</creatorcontrib><creatorcontrib>Gulyaev, Yu.V.</creatorcontrib><creatorcontrib>Zilberman, P.E.</creatorcontrib><title>Surface spin-transfer torque and spin-injection effective field in ferromagnetic junctions: Unified theory</title><title>Journal of magnetism and magnetic materials</title><description>We consider theoretically a current flowing perpendicular to interfaces of a spin-valve type ferromagnetic metallic junction. For the first time an effective approach is investigated to calculate a simultaneous action of the two current effects, namely, the nonequilibrium longitudinal spin injection and the transversal spin-transfer surface torque. Dispersion relation for fluctuations is derived and solved. Nonlinear problem is solved about steady state arising due to instability for a thick enough free layer.</description><subject>Magnetic junctions</subject><subject>Spin injection</subject><subject>Spin torque</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp9kLtOxDAQRV2AxPL4ASpXdAl27MRZRINWvKSVKGBry7HH4ChxFjtZaf8eh1CjKeZ170hzELqmJKeEVrdt3vZ9nxeElGmQEy5O0IowwrO6LtkZOo-xJYRQXlcr1L5PwSoNOO6dz8agfLQQ8DiE7wmw8mZZON-CHt3gMVg7VwfA1kFnsPM4GcLQq08Po9O4nfyvMt7hnXdJZPD4BUM4XqJTq7oIV3_5Au2eHj82L9n27fl187DNNGN0zJTQ3FhqOBWl4LxkZQ2wBkt1VRKjeKl1k7qiqkxDhGDCUMGbytbQAGO1ZhfoZrm7D0N6Io6yd1FD1ykPwxRlsaYpWJ2ExSLUYYgxgJX74HoVjpISOaOUrZxRyhnlPEsok-l-MUF64eAgyKgdeA3GhQRGmsH9Z_8BccWB4w</recordid><startdate>20060501</startdate><enddate>20060501</enddate><creator>Elliott, R.J.</creator><creator>Epshtein, E.M.</creator><creator>Gulyaev, Yu.V.</creator><creator>Zilberman, P.E.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20060501</creationdate><title>Surface spin-transfer torque and spin-injection effective field in ferromagnetic junctions: Unified theory</title><author>Elliott, R.J. ; Epshtein, E.M. ; Gulyaev, Yu.V. ; Zilberman, P.E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-a7c4df1d41757445358ee9ef1c650da45ccbef1266db07737d174b6f8ebe338c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Magnetic junctions</topic><topic>Spin injection</topic><topic>Spin torque</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Elliott, R.J.</creatorcontrib><creatorcontrib>Epshtein, E.M.</creatorcontrib><creatorcontrib>Gulyaev, Yu.V.</creatorcontrib><creatorcontrib>Zilberman, P.E.</creatorcontrib><collection>CrossRef</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>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Elliott, R.J.</au><au>Epshtein, E.M.</au><au>Gulyaev, Yu.V.</au><au>Zilberman, P.E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface spin-transfer torque and spin-injection effective field in ferromagnetic junctions: Unified theory</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2006-05-01</date><risdate>2006</risdate><volume>300</volume><issue>1</issue><spage>122</spage><epage>126</epage><pages>122-126</pages><issn>0304-8853</issn><abstract>We consider theoretically a current flowing perpendicular to interfaces of a spin-valve type ferromagnetic metallic junction. For the first time an effective approach is investigated to calculate a simultaneous action of the two current effects, namely, the nonequilibrium longitudinal spin injection and the transversal spin-transfer surface torque. Dispersion relation for fluctuations is derived and solved. Nonlinear problem is solved about steady state arising due to instability for a thick enough free layer.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jmmm.2005.10.047</doi><tpages>5</tpages></addata></record> |
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subjects | Magnetic junctions Spin injection Spin torque |
title | Surface spin-transfer torque and spin-injection effective field in ferromagnetic junctions: Unified theory |
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