Figure 2From: Ge/Si(001) heterostructures with dense arrays of Ge quantum dots: morphology, defects, photo-emf spectra and terahertz conductivitySTM images of Ge/Si(001) quantum dot arrays grown at 360℃. hGe(Å) is (a) 6, (b) 8, (c) 10, (d) 14, (e) 15, (f) 18.Back to article page