TY - JOUR AU - Black, David AU - Zhang, Ning AU - Dudley, M AU - Huang, X AU - Chen, Y C2 - Journal of Electronic Materials DA - 2008-09-01 LA - en PB - Journal of Electronic Materials PY - 2008 TI - Studies of the Distribution of Elementary Threading Screw Dislocations In 4H Silicon Carbide Wafer ER -