Spin-valley filtering induced by resonant states in silicene
We studied the spin and valley transport of silicene through a resonant-tunneling structure with electric field and magnetic field. It is demonstrated that a perfect spin-valley filtering effect can be obtained, where both spin and valley indices are polarized simultaneously. The spin-valley filteri...
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Veröffentlicht in: | The European physical journal. B, Condensed matter physics Condensed matter physics, 2022-10, Vol.95 (10), Article 176 |
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creator | Li, Wen Lu, Wei-Tao Li, Kai-Cai |
description | We studied the spin and valley transport of silicene through a resonant-tunneling structure with electric field and magnetic field. It is demonstrated that a perfect spin-valley filtering effect can be obtained, where both spin and valley indices are polarized simultaneously. The spin-valley filtering benefits from the break of spatial invariance and the form of spin-valley-polarized resonant states. A high spin-valley-polarized conductance can be realized at certain values of the electric field. Furthermore, the resonant-tunneling structure composed of electric field and potential field is also feasible to fully filter spin-valley electrons, implying an electrically controlled spin-valley filter.
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doi_str_mv | 10.1140/epjb/s10051-022-00442-6 |
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Graphical abstract</description><subject>Complex Systems</subject><subject>Condensed Matter Physics</subject><subject>Electric fields</subject><subject>Electron spin</subject><subject>Filtration</subject><subject>Fluid- and Aerodynamics</subject><subject>Magnetic fields</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Potential fields</subject><subject>Regular Article - Solid State and Materials</subject><subject>Silicene</subject><subject>Solid State Physics</subject><subject>Valleys</subject><issn>1434-6028</issn><issn>1434-6036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkU1LAzEQhhdRsFZ_gwuePGw7yWa_wEspfhQKgtVzyGYnJWWbXZNU7L83dUXpSXJIIO-TycwTRdcEJoQwmGK_qaeOAGQkAUoTAMZokp9EI8JSluSQ5qe_Z1qeRxfObQCA5ISNortVr03yIdoW97HSrUerzTrWptlJbOJ6H1t0nRHGx84Ljy5cxU63WqLBy-hMidbh1c8-jt4e7l_nT8ny-XExny0TScvUJ02palozpvIKqkwVGdJKpSUKWTBoFBCCIi-YpBIEMmBKEYlKFAhSMGRZOo5uhnd7273v0Hm-6XbWhJKcFrTKsqrKIKQmQ2otWuTaqM5bIcNqcKtlZzC0h3xWUJZmaUWrANweASHj8dOvxc45vli9HGeLIStt55xFxXurt8LuOQF-8MAPHvjggQcP_NsDzwNZDqTrD6NF-_f5_9AvrGiNyg</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Li, Wen</creator><creator>Lu, Wei-Tao</creator><creator>Li, Kai-Cai</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope></search><sort><creationdate>20221001</creationdate><title>Spin-valley filtering induced by resonant states in silicene</title><author>Li, Wen ; Lu, Wei-Tao ; Li, Kai-Cai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c283t-d8fb2b44f69095f75e29f38eac740df011ea674c2c0ae404ff1cefa7e0ca4e453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Complex Systems</topic><topic>Condensed Matter Physics</topic><topic>Electric fields</topic><topic>Electron spin</topic><topic>Filtration</topic><topic>Fluid- and Aerodynamics</topic><topic>Magnetic fields</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Potential fields</topic><topic>Regular Article - Solid State and Materials</topic><topic>Silicene</topic><topic>Solid State Physics</topic><topic>Valleys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Wen</creatorcontrib><creatorcontrib>Lu, Wei-Tao</creatorcontrib><creatorcontrib>Li, Kai-Cai</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><jtitle>The European physical journal. B, Condensed matter physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Wen</au><au>Lu, Wei-Tao</au><au>Li, Kai-Cai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spin-valley filtering induced by resonant states in silicene</atitle><jtitle>The European physical journal. B, Condensed matter physics</jtitle><stitle>Eur. Phys. J. B</stitle><date>2022-10-01</date><risdate>2022</risdate><volume>95</volume><issue>10</issue><artnum>176</artnum><issn>1434-6028</issn><eissn>1434-6036</eissn><abstract>We studied the spin and valley transport of silicene through a resonant-tunneling structure with electric field and magnetic field. It is demonstrated that a perfect spin-valley filtering effect can be obtained, where both spin and valley indices are polarized simultaneously. The spin-valley filtering benefits from the break of spatial invariance and the form of spin-valley-polarized resonant states. A high spin-valley-polarized conductance can be realized at certain values of the electric field. Furthermore, the resonant-tunneling structure composed of electric field and potential field is also feasible to fully filter spin-valley electrons, implying an electrically controlled spin-valley filter.
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subjects | Complex Systems Condensed Matter Physics Electric fields Electron spin Filtration Fluid- and Aerodynamics Magnetic fields Physics Physics and Astronomy Potential fields Regular Article - Solid State and Materials Silicene Solid State Physics Valleys |
title | Spin-valley filtering induced by resonant states in silicene |
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