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Light emission and spin-polarised hole injection in InAs/GaAs quantum dot heter...
Baidus, N. V.; Vasilevskiy, Mikhail; Khazanova, S. V.; Zvonkov, B. N.; Meulen, H. P. van der; Calleja, J. M.; Vinã, L.EPL draft ; We demonstrate the feasibility to obtain electroluminescence (EL), up to room temperature, from InGaAs self-assembled quantum dots (QDs) included in a forward-biased Schottky diode. Moreover, using a ferromagnet (FM) as the contact layer, sizable circular polarization of the EL emission in the presence of an external magnetic eld is obtained. A resonant behav- ior of the degree of circular polariz...
Data: 2012
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Origem: RepositóriUM - Universidade do Minho
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