Abstract
In this paper a quantitative determination of the elemental distributions across a ∼10 nm Ga 2O 3/GdGaO layer with a Pt metal gate cap on top of an InGaAs/AlGaAs/GaAs substrate is presented. Some effects of annealing on the elemental distribution across the Ga 2O 3/GdGaO oxide layer are described. The paper also discusses the analysis of the interface GaAs/Ga 2O 3/GGO at a sub-nm level by high-resolution HAADF STEM imaging.
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