Compact Model of a Topological Transistor
The precession of a ferromagnet leads to the injection of spin current and heat into an adjacent non-magnetic material. Besides, spin-orbit entanglement causes an additional charge current injection. Such a device has been recently proposed where a quantum-spin hall insulator (QSHI) in proximity to...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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IEEE
2024-01-01
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| Series: | IEEE Access |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/10423782/ |
| _version_ | 1797304934026182656 |
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| author | Md. Mazharul Islam Shamiul Alam Md. Shafayat Hossain Ahmedullah Aziz |
| author_facet | Md. Mazharul Islam Shamiul Alam Md. Shafayat Hossain Ahmedullah Aziz |
| author_sort | Md. Mazharul Islam |
| collection | DOAJ |
| description | The precession of a ferromagnet leads to the injection of spin current and heat into an adjacent non-magnetic material. Besides, spin-orbit entanglement causes an additional charge current injection. Such a device has been recently proposed where a quantum-spin hall insulator (QSHI) in proximity to a ferromagnetic insulator (FI) and superconductor (SC) leads to the pumping of charge, spin, and heat. Here we build a circuit-compatible Verilog-A-based compact model for the QSHI-FI-SC device capable of generating two topologically robust modes enabling the device operation. Our model also captures the dependence on the ferromagnetic precision, drain voltage, and temperature with an excellent (> 99%) accuracy. |
| first_indexed | 2024-03-08T00:17:34Z |
| format | Article |
| id | doaj.art-ea6d7e08563c4207b409f39b74f946ed |
| institution | Directory Open Access Journal |
| issn | 2169-3536 |
| language | English |
| last_indexed | 2024-03-08T00:17:34Z |
| publishDate | 2024-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj.art-ea6d7e08563c4207b409f39b74f946ed2024-02-17T00:00:57ZengIEEEIEEE Access2169-35362024-01-0112232002320510.1109/ACCESS.2024.336364510423782Compact Model of a Topological TransistorMd. Mazharul Islam0https://orcid.org/0000-0003-4861-5787Shamiul Alam1https://orcid.org/0000-0002-3126-1399Md. Shafayat Hossain2https://orcid.org/0000-0002-3744-5877Ahmedullah Aziz3https://orcid.org/0000-0003-1573-4122Department of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN, USADepartment of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN, USADepartment of Physics, Princeton University, Princeton, NJ, USADepartment of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN, USAThe precession of a ferromagnet leads to the injection of spin current and heat into an adjacent non-magnetic material. Besides, spin-orbit entanglement causes an additional charge current injection. Such a device has been recently proposed where a quantum-spin hall insulator (QSHI) in proximity to a ferromagnetic insulator (FI) and superconductor (SC) leads to the pumping of charge, spin, and heat. Here we build a circuit-compatible Verilog-A-based compact model for the QSHI-FI-SC device capable of generating two topologically robust modes enabling the device operation. Our model also captures the dependence on the ferromagnetic precision, drain voltage, and temperature with an excellent (> 99%) accuracy.https://ieeexplore.ieee.org/document/10423782/Ferromagneticquantum spin hall insulatorsuperconductortopological |
| spellingShingle | Md. Mazharul Islam Shamiul Alam Md. Shafayat Hossain Ahmedullah Aziz Compact Model of a Topological Transistor IEEE Access Ferromagnetic quantum spin hall insulator superconductor topological |
| title | Compact Model of a Topological Transistor |
| title_full | Compact Model of a Topological Transistor |
| title_fullStr | Compact Model of a Topological Transistor |
| title_full_unstemmed | Compact Model of a Topological Transistor |
| title_short | Compact Model of a Topological Transistor |
| title_sort | compact model of a topological transistor |
| topic | Ferromagnetic quantum spin hall insulator superconductor topological |
| url | https://ieeexplore.ieee.org/document/10423782/ |
| work_keys_str_mv | AT mdmazharulislam compactmodelofatopologicaltransistor AT shamiulalam compactmodelofatopologicaltransistor AT mdshafayathossain compactmodelofatopologicaltransistor AT ahmedullahaziz compactmodelofatopologicaltransistor |