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  • Models for Impurity Incorpo...
    Ohta, Hiroshi; Horikiri, Fumimasa; Mochizuki, Kazuhiro; Mishima, Tomoyoshi

    Materials Science Forum, 05/2022, Volume: 1062
    Journal Article

    Impurity incorporation during vapor-phase epitaxy on stepped surfaces was modeled by classifying rate-limiting processes into i) surface diffusion, ii) step kinetics, and iii) segregation. Examples were shown for i) desorption-limited Al incorporation during chemical vapor deposition (CVD) of (0001) SiC, ii) preferential desorption of C atoms from kinks during CVD of Al-doped (000-1) SiC, and iii) segregation-limited C incorporation during metalorganic vapor-phase epitaxy of (0001), (000-1), and (10-10) GaN.