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. 2014 Nov 7;4:6964. doi: 10.1038/srep06964

Figure 3.

Figure 3

Cross-sectional TEM micrographs: (a) Cross-sectional TEM micrograph of the entire Ge/AlAs/GaAs/Si structure, high-resolution TEM micrograph of (b) Ge/AlAs and (c) AlAs/GaAs heterointerfaces. Sharp heterointerfaces between Ge/AlAs and AlAs/GaAs were demonstrated.