Ertler, Christian (2008) Magnetoelectric bistabilities in ferromagnetic resonant tunneling structures. APPLIED PHYSICS LETTERS, 93 (14): 142104. ISSN 0003-6951,
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The conditions for the occurrence of pronounced magnetoelectric bistabilities in the resonant tunneling through a ferromagnetic quantum well are theoretically investigated. The bistability appears due to the mutual feedback of the carriers Coulomb interaction and the carriers exchange coupling with magnetic impurities in the well. It is shown that the well Curie temperature depends strongly on the relative alignment of the quantum well level and the reservoirs chemical potentials, which can be modified electrically. Switching between a "current-on/magnetism-off" and a "current-off/magnetism-on" mode becomes possible if the well temperature lies in-between the bistable values of the well Curie temperature. (C) 2008 American Institute of Physics.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | QUANTUM-WELLS; HETEROSTRUCTURES; SEMICONDUCTORS; DIODE; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 21 Oct 2020 10:43 |
| Last Modified: | 21 Oct 2020 10:43 |
| URI: | https://pred.uni-regensburg.de/id/eprint/30182 |
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