Thermally driven two-magnet nano-oscillator with large spin-charge conversion
Next-generation spintronic applications require material properties that can be hardly met by one material candidate. Here we demonstrate that by combining insulating and metallic magnets, enhanced spin-charge conversion and energy-efficient thermal spin currents can be realized. We develop a nanowi...
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| creator | Arkook, Bassim Safranski, Christopher Rodriguez, Rodolfo Krivorotov, Ilya N Schneider, Tobias Lenz, Kilian Lindner, Jürgen Chang, Houchen Wu, Mingzhong Tserkovnyak, Yaroslav Barsukov, Igor |
| description | Next-generation spintronic applications require material properties that can
be hardly met by one material candidate. Here we demonstrate that by combining
insulating and metallic magnets, enhanced spin-charge conversion and
energy-efficient thermal spin currents can be realized. We develop a nanowire
device consisting of an yttrium iron garnet and permalloy bi-layer. An
interfacial temperature gradient drives the nanowire magnetization into
auto-oscillations at gigahertz frequencies. Interfacial spin coupling and
magnetoresistance of the permalloy layer translate spin dynamics into sizable
microwave signals. The results show prospect for energy-efficient spintronic
devices and present an experimental realization of magnon condensation in a
heterogeneous magnetic system. |
| doi_str_mv | 10.48550/arxiv.1909.12445 |
| format | Article |
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be hardly met by one material candidate. Here we demonstrate that by combining
insulating and metallic magnets, enhanced spin-charge conversion and
energy-efficient thermal spin currents can be realized. We develop a nanowire
device consisting of an yttrium iron garnet and permalloy bi-layer. An
interfacial temperature gradient drives the nanowire magnetization into
auto-oscillations at gigahertz frequencies. Interfacial spin coupling and
magnetoresistance of the permalloy layer translate spin dynamics into sizable
microwave signals. The results show prospect for energy-efficient spintronic
devices and present an experimental realization of magnon condensation in a
heterogeneous magnetic system.</description><identifier>DOI: 10.48550/arxiv.1909.12445</identifier><language>eng</language><subject>Physics - Mesoscale and Nanoscale Physics ; Physics - Other Condensed Matter</subject><creationdate>2019-09</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1909.12445$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1909.12445$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Arkook, Bassim</creatorcontrib><creatorcontrib>Safranski, Christopher</creatorcontrib><creatorcontrib>Rodriguez, Rodolfo</creatorcontrib><creatorcontrib>Krivorotov, Ilya N</creatorcontrib><creatorcontrib>Schneider, Tobias</creatorcontrib><creatorcontrib>Lenz, Kilian</creatorcontrib><creatorcontrib>Lindner, Jürgen</creatorcontrib><creatorcontrib>Chang, Houchen</creatorcontrib><creatorcontrib>Wu, Mingzhong</creatorcontrib><creatorcontrib>Tserkovnyak, Yaroslav</creatorcontrib><creatorcontrib>Barsukov, Igor</creatorcontrib><title>Thermally driven two-magnet nano-oscillator with large spin-charge conversion</title><description>Next-generation spintronic applications require material properties that can
be hardly met by one material candidate. Here we demonstrate that by combining
insulating and metallic magnets, enhanced spin-charge conversion and
energy-efficient thermal spin currents can be realized. We develop a nanowire
device consisting of an yttrium iron garnet and permalloy bi-layer. An
interfacial temperature gradient drives the nanowire magnetization into
auto-oscillations at gigahertz frequencies. Interfacial spin coupling and
magnetoresistance of the permalloy layer translate spin dynamics into sizable
microwave signals. The results show prospect for energy-efficient spintronic
devices and present an experimental realization of magnon condensation in a
heterogeneous magnetic system.</description><subject>Physics - Mesoscale and Nanoscale Physics</subject><subject>Physics - Other Condensed Matter</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotz71uwyAUBWCWDFXSB-hUXgAX-wKOxyrqn5Qqi3cLwyVGwhBhy2nevq3b6Zzp6HyEPJS8EHsp-ZPOX34pyoY3RVkJIe_IZztgHnUIN2qzXzDS-ZrYqM8RZxp1TCxNxoeg55Tp1c8DDTqfkU4XH5kZ1m5SXDBPPsUd2TgdJrz_zy1pX1_awzs7nt4-Ds9HplUtmTWu6o1tVM0tiF45hFJIt4dS9bXAxqAzoH4OgxW8l8Jwjii4AjCVqRzAljz-za6e7pL9qPOt-3V1qwu-AQYCSZc</recordid><startdate>20190926</startdate><enddate>20190926</enddate><creator>Arkook, Bassim</creator><creator>Safranski, Christopher</creator><creator>Rodriguez, Rodolfo</creator><creator>Krivorotov, Ilya N</creator><creator>Schneider, Tobias</creator><creator>Lenz, Kilian</creator><creator>Lindner, Jürgen</creator><creator>Chang, Houchen</creator><creator>Wu, Mingzhong</creator><creator>Tserkovnyak, Yaroslav</creator><creator>Barsukov, Igor</creator><scope>GOX</scope></search><sort><creationdate>20190926</creationdate><title>Thermally driven two-magnet nano-oscillator with large spin-charge conversion</title><author>Arkook, Bassim ; Safranski, Christopher ; Rodriguez, Rodolfo ; Krivorotov, Ilya N ; Schneider, Tobias ; Lenz, Kilian ; Lindner, Jürgen ; Chang, Houchen ; Wu, Mingzhong ; Tserkovnyak, Yaroslav ; Barsukov, Igor</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a675-dcf2bcd9670d34b6fe3145f8316b74e9cefc368553d40b54c00ee40633c2c2f33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Physics - Mesoscale and Nanoscale Physics</topic><topic>Physics - Other Condensed Matter</topic><toplevel>online_resources</toplevel><creatorcontrib>Arkook, Bassim</creatorcontrib><creatorcontrib>Safranski, Christopher</creatorcontrib><creatorcontrib>Rodriguez, Rodolfo</creatorcontrib><creatorcontrib>Krivorotov, Ilya N</creatorcontrib><creatorcontrib>Schneider, Tobias</creatorcontrib><creatorcontrib>Lenz, Kilian</creatorcontrib><creatorcontrib>Lindner, Jürgen</creatorcontrib><creatorcontrib>Chang, Houchen</creatorcontrib><creatorcontrib>Wu, Mingzhong</creatorcontrib><creatorcontrib>Tserkovnyak, Yaroslav</creatorcontrib><creatorcontrib>Barsukov, Igor</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Arkook, Bassim</au><au>Safranski, Christopher</au><au>Rodriguez, Rodolfo</au><au>Krivorotov, Ilya N</au><au>Schneider, Tobias</au><au>Lenz, Kilian</au><au>Lindner, Jürgen</au><au>Chang, Houchen</au><au>Wu, Mingzhong</au><au>Tserkovnyak, Yaroslav</au><au>Barsukov, Igor</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermally driven two-magnet nano-oscillator with large spin-charge conversion</atitle><date>2019-09-26</date><risdate>2019</risdate><abstract>Next-generation spintronic applications require material properties that can
be hardly met by one material candidate. Here we demonstrate that by combining
insulating and metallic magnets, enhanced spin-charge conversion and
energy-efficient thermal spin currents can be realized. We develop a nanowire
device consisting of an yttrium iron garnet and permalloy bi-layer. An
interfacial temperature gradient drives the nanowire magnetization into
auto-oscillations at gigahertz frequencies. Interfacial spin coupling and
magnetoresistance of the permalloy layer translate spin dynamics into sizable
microwave signals. The results show prospect for energy-efficient spintronic
devices and present an experimental realization of magnon condensation in a
heterogeneous magnetic system.</abstract><doi>10.48550/arxiv.1909.12445</doi><oa>free_for_read</oa></addata></record> |
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| title | Thermally driven two-magnet nano-oscillator with large spin-charge conversion |
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