Peculiar long-range supercurrent in superconductor-ferromagnet-superconductor junction containing a noncollinear magnetic domain in the ferromagnetic region
We study the supercurrent in clean superconductor-ferromagnet-superconductor heterostructure containing a noncollinear magnetic domain in the ferromagnetic region. It is demonstrated that the magnetic domain can lead to a spin-flip scattering process, which reverses the spin orientations of the sing...
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| Veröffentlicht in: | Journal of applied physics 2015-01, Vol.117 (2) |
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| container_title | Journal of applied physics |
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| creator | Meng, Hao Wu, Xiuqiang Ren, Yajie |
| description | We study the supercurrent in clean superconductor-ferromagnet-superconductor heterostructure containing a noncollinear magnetic domain in the ferromagnetic region. It is demonstrated that the magnetic domain can lead to a spin-flip scattering process, which reverses the spin orientations of the singlet Cooper pair and simultaneously changes the sign of the corresponding electronic momentum. If the ferromagnetic layers on both sides of magnetic domain have the same features, the long-range proximity effect will take place. That is because the singlet Cooper pair will create an exact phase-cancellation effect and gets an additional π phase shift as it passes through the entire ferromagnetic region. Then, the equal spin triplet pair only exists in the magnetic domain region and can not diffuse into the other two ferromagnetic layers. So, the supercurrent mostly arises from the singlet Cooper pairs, and the equal spin triplet pairs are not involved. This result can provide a approach for generating the long-range supercurrent. |
| doi_str_mv | 10.1063/1.4905608 |
| format | Article |
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It is demonstrated that the magnetic domain can lead to a spin-flip scattering process, which reverses the spin orientations of the singlet Cooper pair and simultaneously changes the sign of the corresponding electronic momentum. If the ferromagnetic layers on both sides of magnetic domain have the same features, the long-range proximity effect will take place. That is because the singlet Cooper pair will create an exact phase-cancellation effect and gets an additional π phase shift as it passes through the entire ferromagnetic region. Then, the equal spin triplet pair only exists in the magnetic domain region and can not diffuse into the other two ferromagnetic layers. So, the supercurrent mostly arises from the singlet Cooper pairs, and the equal spin triplet pairs are not involved. This result can provide a approach for generating the long-range supercurrent.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4905608</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; COOPER PAIRS ; Disk drives ; DOMAIN STRUCTURE ; FERROMAGNETIC MATERIALS ; Ferromagnetism ; Heterostructures ; LAYERS ; Magnetic domains ; PHASE SHIFT ; Product development ; PROXIMITY EFFECT ; Proximity effect (electricity) ; SPIN ; SPIN FLIP ; SPIN ORIENTATION ; SUPERCONDUCTING JUNCTIONS ; Superconductor junctions ; SUPERCONDUCTORS ; TRIPLETS</subject><ispartof>Journal of applied physics, 2015-01, Vol.117 (2)</ispartof><rights>2015 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c320t-6b9a7b095b565e188dd32d846cb1f51465f5d396c17c8aab01f75dbddf8c91d73</citedby><cites>FETCH-LOGICAL-c320t-6b9a7b095b565e188dd32d846cb1f51465f5d396c17c8aab01f75dbddf8c91d73</cites><orcidid>0000-0003-0372-8817</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27922,27923</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22412818$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Meng, Hao</creatorcontrib><creatorcontrib>Wu, Xiuqiang</creatorcontrib><creatorcontrib>Ren, Yajie</creatorcontrib><title>Peculiar long-range supercurrent in superconductor-ferromagnet-superconductor junction containing a noncollinear magnetic domain in the ferromagnetic region</title><title>Journal of applied physics</title><description>We study the supercurrent in clean superconductor-ferromagnet-superconductor heterostructure containing a noncollinear magnetic domain in the ferromagnetic region. It is demonstrated that the magnetic domain can lead to a spin-flip scattering process, which reverses the spin orientations of the singlet Cooper pair and simultaneously changes the sign of the corresponding electronic momentum. If the ferromagnetic layers on both sides of magnetic domain have the same features, the long-range proximity effect will take place. That is because the singlet Cooper pair will create an exact phase-cancellation effect and gets an additional π phase shift as it passes through the entire ferromagnetic region. Then, the equal spin triplet pair only exists in the magnetic domain region and can not diffuse into the other two ferromagnetic layers. So, the supercurrent mostly arises from the singlet Cooper pairs, and the equal spin triplet pairs are not involved. This result can provide a approach for generating the long-range supercurrent.</description><subject>Applied physics</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>COOPER PAIRS</subject><subject>Disk drives</subject><subject>DOMAIN STRUCTURE</subject><subject>FERROMAGNETIC MATERIALS</subject><subject>Ferromagnetism</subject><subject>Heterostructures</subject><subject>LAYERS</subject><subject>Magnetic domains</subject><subject>PHASE SHIFT</subject><subject>Product development</subject><subject>PROXIMITY EFFECT</subject><subject>Proximity effect (electricity)</subject><subject>SPIN</subject><subject>SPIN FLIP</subject><subject>SPIN ORIENTATION</subject><subject>SUPERCONDUCTING JUNCTIONS</subject><subject>Superconductor junctions</subject><subject>SUPERCONDUCTORS</subject><subject>TRIPLETS</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpVkUtLxDAQgIMouK4e_AcBTx66ZpqmTY4ivkDQg55DmqTdLDVZk_Tgf_HHGtlFFAaGeX3zQugcyApIS69g1QjCWsIP0AIIF1XHGDlEC0JqqLjoxDE6SWlDCACnYoG-XqyeJ6cinoIfq6j8aHGatzbqOUbrM3Z-bwdvZp1DrAYbY3hXo7e5-h_Cm9nr7ILHxZWV886PWGEfvA7T5LwtfXaFTmNTGAVeJK8t_gMtsWjHQjlFR4Oakj3b6yV6u7t9vXmonp7vH2-unypNa5Krtheq64lgPWuZBc6NobXhTat7GBg0LRuYoaLV0GmuVE9g6JjpjRm4FmA6ukQXO25I2cmkXbZ6XTbwVmdZ1w3UvFzrN2sbw8dsU5abMEdfBpM11I2gtGl_WJe7LB1DStEOchvdu4qfEoj8eZEEuX8R_QYWW4ff</recordid><startdate>20150114</startdate><enddate>20150114</enddate><creator>Meng, Hao</creator><creator>Wu, Xiuqiang</creator><creator>Ren, Yajie</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-0372-8817</orcidid></search><sort><creationdate>20150114</creationdate><title>Peculiar long-range supercurrent in superconductor-ferromagnet-superconductor junction containing a noncollinear magnetic domain in the ferromagnetic region</title><author>Meng, Hao ; Wu, Xiuqiang ; Ren, Yajie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-6b9a7b095b565e188dd32d846cb1f51465f5d396c17c8aab01f75dbddf8c91d73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Applied physics</topic><topic>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</topic><topic>COOPER PAIRS</topic><topic>Disk drives</topic><topic>DOMAIN STRUCTURE</topic><topic>FERROMAGNETIC MATERIALS</topic><topic>Ferromagnetism</topic><topic>Heterostructures</topic><topic>LAYERS</topic><topic>Magnetic domains</topic><topic>PHASE SHIFT</topic><topic>Product development</topic><topic>PROXIMITY EFFECT</topic><topic>Proximity effect (electricity)</topic><topic>SPIN</topic><topic>SPIN FLIP</topic><topic>SPIN ORIENTATION</topic><topic>SUPERCONDUCTING JUNCTIONS</topic><topic>Superconductor junctions</topic><topic>SUPERCONDUCTORS</topic><topic>TRIPLETS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meng, Hao</creatorcontrib><creatorcontrib>Wu, Xiuqiang</creatorcontrib><creatorcontrib>Ren, Yajie</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meng, Hao</au><au>Wu, Xiuqiang</au><au>Ren, Yajie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Peculiar long-range supercurrent in superconductor-ferromagnet-superconductor junction containing a noncollinear magnetic domain in the ferromagnetic region</atitle><jtitle>Journal of applied physics</jtitle><date>2015-01-14</date><risdate>2015</risdate><volume>117</volume><issue>2</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>We study the supercurrent in clean superconductor-ferromagnet-superconductor heterostructure containing a noncollinear magnetic domain in the ferromagnetic region. It is demonstrated that the magnetic domain can lead to a spin-flip scattering process, which reverses the spin orientations of the singlet Cooper pair and simultaneously changes the sign of the corresponding electronic momentum. If the ferromagnetic layers on both sides of magnetic domain have the same features, the long-range proximity effect will take place. That is because the singlet Cooper pair will create an exact phase-cancellation effect and gets an additional π phase shift as it passes through the entire ferromagnetic region. Then, the equal spin triplet pair only exists in the magnetic domain region and can not diffuse into the other two ferromagnetic layers. So, the supercurrent mostly arises from the singlet Cooper pairs, and the equal spin triplet pairs are not involved. This result can provide a approach for generating the long-range supercurrent.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4905608</doi><orcidid>https://orcid.org/0000-0003-0372-8817</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of applied physics, 2015-01, Vol.117 (2) |
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| recordid | cdi_osti_scitechconnect_22412818 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY COOPER PAIRS Disk drives DOMAIN STRUCTURE FERROMAGNETIC MATERIALS Ferromagnetism Heterostructures LAYERS Magnetic domains PHASE SHIFT Product development PROXIMITY EFFECT Proximity effect (electricity) SPIN SPIN FLIP SPIN ORIENTATION SUPERCONDUCTING JUNCTIONS Superconductor junctions SUPERCONDUCTORS TRIPLETS |
| title | Peculiar long-range supercurrent in superconductor-ferromagnet-superconductor junction containing a noncollinear magnetic domain in the ferromagnetic region |
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