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RAS of a single-domain surface (spectrum D), the corresponding surface that was intentionally prepared as two-domain surface (spectrum S), and its eightfold amplification (spectrum A).
Comparison of the RA spectra of sample D and of a homoepitaxially prepared GaP(100) reference R.
AFM of Si(100) before [(a) and (b)] and after growth [(c) and (d)]. In contrast to sample D (d), the surface of sample S (c) exhibits a network of antiphase boundaries after growth. In the two different surface domain types of sample S (c) are color coded in black and white to quantify the surface area covered by each phase.
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