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Figure 15 | Nanoscale Research Letters

Figure 15

From: Ge/Si(001) heterostructures with dense arrays of Ge quantum dots: morphology, defects, photo-emf spectra and terahertz conductivity

Figure 15

Spectra of transmission coefficient of Ge/Si heterostructure on Si substrate (solid symbols) and of bare substrate (open symbols) measured at two different temperatures. Horizontal lines show the difference in peak transmissivity that is observed at 300 K and disappears at 170 K. The peaks positions are shifted due to slight difference in the Si substrate thickness.

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