slide 1 dear examiners, dear colleagues. welcome everybody to the the defense of my doctor's thesis entitled ... as usual, i would like to start with a small motivation, which in this case is a motivation with respect to the materials system, SiC. slide 2 the semiconductor material SiC ... slide 3 slide 4 slide 5 slide 6 slide 7 slide 8 slide 9 slide 10 slide 11 slide 12 slide 13 slide 14 slide 15