Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas
In this paper, we investigate the spin–orbit torque and transport property in a 2D Rashba ferromagnetic electron gas. The longitudinal conductivity can be divided into two parts: the first term is determined by the charge density and is independent of the spin degrees of freedom. The second term dep...
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| Format: | Article |
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MDPI AG
2022-07-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/15/15/5149 |
| _version_ | 1797413307934572544 |
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| author | Chao Yang Da-Kun Zhou Ya-Ru Wang Zheng-Chuan Wang |
| author_facet | Chao Yang Da-Kun Zhou Ya-Ru Wang Zheng-Chuan Wang |
| author_sort | Chao Yang |
| collection | DOAJ |
| description | In this paper, we investigate the spin–orbit torque and transport property in a 2D Rashba ferromagnetic electron gas. The longitudinal conductivity can be divided into two parts: the first term is determined by the charge density and is independent of the spin degrees of freedom. The second term depends on the two bands that spin in the opposite directions, and it is directly proportional to spin–orbit torque regardless of the band structure and temperature. This is a general and underlying relation between the transport property and spin–orbit torque. Moreover, we show the impacts of the spin–orbit coupling constant and Fermi energy on transverse conductivity and spin–orbit torque, which is helpful for relevant experiments. |
| first_indexed | 2024-03-09T05:16:48Z |
| format | Article |
| id | doaj.art-36d319aa2e584ce08329eee6d2f63fe6 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T05:16:48Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-36d319aa2e584ce08329eee6d2f63fe62023-12-03T12:44:55ZengMDPI AGMaterials1996-19442022-07-011515514910.3390/ma15155149Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron GasChao Yang0Da-Kun Zhou1Ya-Ru Wang2Zheng-Chuan Wang3College of Mechanical and Electrical Engineering, Wuyi University, Wuyishan 354300, ChinaSchool of Physical Sciences, University of Chinese Academy of Sciences, Beijng 100049, ChinaSchool of Physical Sciences, University of Chinese Academy of Sciences, Beijng 100049, ChinaSchool of Physical Sciences, University of Chinese Academy of Sciences, Beijng 100049, ChinaIn this paper, we investigate the spin–orbit torque and transport property in a 2D Rashba ferromagnetic electron gas. The longitudinal conductivity can be divided into two parts: the first term is determined by the charge density and is independent of the spin degrees of freedom. The second term depends on the two bands that spin in the opposite directions, and it is directly proportional to spin–orbit torque regardless of the band structure and temperature. This is a general and underlying relation between the transport property and spin–orbit torque. Moreover, we show the impacts of the spin–orbit coupling constant and Fermi energy on transverse conductivity and spin–orbit torque, which is helpful for relevant experiments.https://www.mdpi.com/1996-1944/15/15/51492D Rashba ferromagnetic electron gasspin-orbit torquelongitudinal conductivity |
| spellingShingle | Chao Yang Da-Kun Zhou Ya-Ru Wang Zheng-Chuan Wang Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas Materials 2D Rashba ferromagnetic electron gas spin-orbit torque longitudinal conductivity |
| title | Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas |
| title_full | Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas |
| title_fullStr | Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas |
| title_full_unstemmed | Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas |
| title_short | Transport Property and Spin–Orbit Torque in 2D Rashba Ferromagnetic Electron Gas |
| title_sort | transport property and spin orbit torque in 2d rashba ferromagnetic electron gas |
| topic | 2D Rashba ferromagnetic electron gas spin-orbit torque longitudinal conductivity |
| url | https://www.mdpi.com/1996-1944/15/15/5149 |
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