GaAs/AlGaAs/InGaAs on Ge

GaAs/AlGaAs/InGaAs heterostructure on a Ge buffer layer on a Si (001) substrate
Device: NTEGRA Aura
Image Courtesy: Dr. Mikhail Shaleev, IPM RAS

size: 15x15 um
SPM principle: Amplitude modulation AFM

Si buffer on Si substrate

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