Spin pumping into a spin glass material
Spin pumping is a recently established means for generating a pure spin current, whereby spins are pumped from a magnet into the adjacent target material under the ferromagnetic resonance condition. We theoretically investigate the spin pumping from an insulating ferromagnet into spin glass material...
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| Veröffentlicht in: | arXiv.org 2020-05 |
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| creator | Fujimoto, Yusei Ichioka, Masanori Adachi, Hiroto |
| description | Spin pumping is a recently established means for generating a pure spin current, whereby spins are pumped from a magnet into the adjacent target material under the ferromagnetic resonance condition. We theoretically investigate the spin pumping from an insulating ferromagnet into spin glass materials. Combining a dynamic theory of spin glasses with the linear-response formulation of the spin pumping, we calculate temperature dependence of the spin pumping near the spin glass transition. The analysis predicts that a characteristic peak appears in the spin pumping signal, reflecting that the spin fluctuations slow down upon the onset of spin freezing. |
| doi_str_mv | 10.48550/arxiv.1912.02337 |
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We theoretically investigate the spin pumping from an insulating ferromagnet into spin glass materials. Combining a dynamic theory of spin glasses with the linear-response formulation of the spin pumping, we calculate temperature dependence of the spin pumping near the spin glass transition. The analysis predicts that a characteristic peak appears in the spin pumping signal, reflecting that the spin fluctuations slow down upon the onset of spin freezing.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1912.02337</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Ferromagnetic materials ; Ferromagnetic resonance ; Freezing ; Physics - Mesoscale and Nanoscale Physics ; Pumping ; Spin dynamics ; Spin glasses ; Spintronics ; Temperature dependence ; Variation</subject><ispartof>arXiv.org, 2020-05</ispartof><rights>2020. 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The analysis predicts that a characteristic peak appears in the spin pumping signal, reflecting that the spin fluctuations slow down upon the onset of spin freezing.</description><subject>Ferromagnetic materials</subject><subject>Ferromagnetic resonance</subject><subject>Freezing</subject><subject>Physics - Mesoscale and Nanoscale Physics</subject><subject>Pumping</subject><subject>Spin dynamics</subject><subject>Spin glasses</subject><subject>Spintronics</subject><subject>Temperature dependence</subject><subject>Variation</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>GOX</sourceid><recordid>eNotj01LAzEQQIMgWGp_gCcXPHjaNZlkNslRilqh4MHew-xHy5b9MtkV_femracHw2NmHmN3gmfKIPIn8j_NdyasgIyDlPqKLSJEahTADVuFcOScQ64BUS7Y4-fY9Mk4dxGHpOmnIaEknGaHlkJIOppq31B7y6731IZ69c8l272-7NabdPvx9r5-3qaEIFMtgKsSLa_iCUNFiaquEKCE3FYKDBihUds9cWllUWqjy-ipwupcF4JQLtn9Ze25wo2-6cj_ulONO9dE4-FijH74muswueMw-z7-5EACAFpjpfwDxW9J0g</recordid><startdate>20200513</startdate><enddate>20200513</enddate><creator>Fujimoto, Yusei</creator><creator>Ichioka, Masanori</creator><creator>Adachi, Hiroto</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PIMPY</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20200513</creationdate><title>Spin pumping into a spin glass material</title><author>Fujimoto, Yusei ; Ichioka, Masanori ; Adachi, Hiroto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a523-71204c590d0028abc54ed522c269d4282817579fa0393bc787c0284b9767b1a53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Ferromagnetic materials</topic><topic>Ferromagnetic resonance</topic><topic>Freezing</topic><topic>Physics - Mesoscale and Nanoscale Physics</topic><topic>Pumping</topic><topic>Spin dynamics</topic><topic>Spin glasses</topic><topic>Spintronics</topic><topic>Temperature dependence</topic><topic>Variation</topic><toplevel>online_resources</toplevel><creatorcontrib>Fujimoto, Yusei</creatorcontrib><creatorcontrib>Ichioka, Masanori</creatorcontrib><creatorcontrib>Adachi, Hiroto</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Engineering Database</collection><collection>ProQuest Central (New)</collection><collection>ProQuest One Academic (New)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Middle East (New)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Applied & Life Sciences</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fujimoto, Yusei</au><au>Ichioka, Masanori</au><au>Adachi, Hiroto</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin pumping into a spin glass material</atitle><jtitle>arXiv.org</jtitle><date>2020-05-13</date><risdate>2020</risdate><eissn>2331-8422</eissn><abstract>Spin pumping is a recently established means for generating a pure spin current, whereby spins are pumped from a magnet into the adjacent target material under the ferromagnetic resonance condition. 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| subjects | Ferromagnetic materials Ferromagnetic resonance Freezing Physics - Mesoscale and Nanoscale Physics Pumping Spin dynamics Spin glasses Spintronics Temperature dependence Variation |
| title | Spin pumping into a spin glass material |
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