Embedded quantum dots in semiconductor nanostructures
In this work, we report the behavior of the tunneling current in a semiconductor nanostructure of (Ga, Al)As/GaAs which takes into account the behavior of the electrons and the Rashba's spin orbit interaction in the presence of embedded quantum dots of different geometries (lens, pyramid and ri...
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| Veröffentlicht in: | Journal of physics. Conference series 2019-11, Vol.1386 (1), p.12111 |
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| creator | Paredes Gutiérrez, H Pérez Merchancano, S T |
| description | In this work, we report the behavior of the tunneling current in a semiconductor nanostructure of (Ga, Al)As/GaAs which takes into account the behavior of the electrons and the Rashba's spin orbit interaction in the presence of embedded quantum dots of different geometries (lens, pyramid and ring) in voltage function, magnetic field, and the different values of the interaction spin orbit (π/2, π/4 and 3π/4). The results that were obtained show, that the intensity of the current presents appreciable changes when is changed the configuration of the quantum dot as the intensities of external fields and spin polarization as well. All these internal and external effects that are studied in our model, significantly modify the transport of information of the semiconductor nanostructure, our results show that the spin effects and the quantum dot configuration contribute to the quantum memories efficiency and the spin filter devices of actual use on nanoscience and nanotechnology. |
| doi_str_mv | 10.1088/1742-6596/1386/1/012111 |
| format | Article |
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The results that were obtained show, that the intensity of the current presents appreciable changes when is changed the configuration of the quantum dot as the intensities of external fields and spin polarization as well. All these internal and external effects that are studied in our model, significantly modify the transport of information of the semiconductor nanostructure, our results show that the spin effects and the quantum dot configuration contribute to the quantum memories efficiency and the spin filter devices of actual use on nanoscience and nanotechnology.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/1386/1/012111</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Configurations ; Electron spin ; Electrons ; Nanostructure ; Nanotechnology ; Physics ; Polarization (spin alignment) ; Quantum dots</subject><ispartof>Journal of physics. 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| subjects | Configurations Electron spin Electrons Nanostructure Nanotechnology Physics Polarization (spin alignment) Quantum dots |
| title | Embedded quantum dots in semiconductor nanostructures |
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