Abstract
We theoretically investigate how to manipulate the wave vector filtering effect by a traverse electric field for electrons across a hybrid magnetic-electric-barrier nanostructure, which can be experimentally realized by depositing a ferromagnetic stripe and a Schottky-metal stripe on top and bottom of a GaAs/Al x Ga1−xAs heterostructure, respectively. The wave vector filtering effect is found to be related closely to the applied electric field. Moreover, the wave vector filtering efficiency can be manipulated by changing direction or adjusting strength of the traverse electric field. Therefore, such a nanostructure can be employed as an electrically controllable electron-momentum filter for nanoelectronics applications.
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Acknowledgements
This work was supported by the Research Foundation of Education Bureau of Hunan Province, China (Grant no. 15A073) and the Construct Program of the Key Disciplines (Circuit and System) in the Hunan University of Science and Engineering.
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Kong, YH., Lu, KY., He, YP. et al. Electric control of wave vector filtering in a hybrid magnetic-electric-barrier nanostructure. Appl. Phys. A 124, 440 (2018). https://doi.org/10.1007/s00339-018-1853-5
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DOI: https://doi.org/10.1007/s00339-018-1853-5