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- W2005708653 abstract "Abstract Electronic g -factors are investigated in selectively doped n-AlGaAs/GaAs heterojunctions with embedded InGaAs quantum dots (QDs). By measuring the magneto-resistivity and analyzing the separation of spin split peaks of the Shubnikov–de Haas (SdH) oscillations, the magnitudes of g -factors are estimated. It is found that the g -factor for a sample with InGaAs QDs is lower than that for the reference sample without QDs. We also compare the SdH oscillations with a semi-empirical model and estimate the exchange interaction of 2D electrons, which mainly dominates the g -factor in a strong magnetic field. It is found that exchange energy for the sample with QDs is lower than that of the reference sample, suggesting that the presence of QDs weakens the exchange interaction of nearby 2D electrons." @default.
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- W2005708653 date "2007-04-01" @default.
- W2005708653 modified "2023-10-02" @default.
- W2005708653 title "g-factor of two-dimensional electrons in selectively doped n-AlGaAs/GaAs heterojunctions with embedded InGaAs quantum dots" @default.
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- W2005708653 doi "https://doi.org/10.1016/j.jcrysgro.2006.09.007" @default.
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