Magnetic field dependence of the energy levels in CdTe-Cd(Mn)Te double quantum well structures |
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| Institution: | 1. Groupe de Physique des Solides de l''Ecole Normale Supérieure 24 rue Lhomond, F-75231 Paris Cedex 05, France;1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi''an, Shanxi 710072, China;2. Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, Guangdong, 518057, China |
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| Abstract: | We show that if the valence band offset between CdTe and Cd1-xMnxTe alloys is not too large, magneto-photoluminescence experiments performed on CdTe-Cd1-xMnxTe-Cd1-yMnyTe double quantum wells should yield direct informations on this offset: the structure changes from a type I configuration (where electron and hole are mostly localized within CdTe layer) prevailing at zero magnetic field to a type II configuration (electron in CdTe layer, hole in Cd1-yMnyTe layer) at large magnetic field. |
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