Analysis of dislocation configurations in SiC crystals through X-ray topography aided by ray tracing simulations

Q Cheng, Z Chen, S Hu, Y Liu… - Materials Science in …, 2024 - Elsevier
Silicon carbide as a wide bandgap semiconductor is of great research interest for its
widespread deployment in a range of electronic and optoelectronic devices, particularly in …

Effective penetration depth investigation for Frank type dislocation (deflected TSDs/TMDs) on grazing incidence synchrotron X-ray topographs of 4H-SiC wafers

QY Cheng, HY Peng, ZY Chen, S Hu, Y Liu… - Defect and Diffusion …, 2023 - Trans Tech Publ
In 4H-SiC crystals, Frank type dislocations are created through the deflection of threading
screw/mixed dislocations onto the basal plane. Grazing-incidence X-ray topographs are …

Punching of Prismatic Dislocation Loops from Inclusions in 4H-SiC Wafers

QY Cheng, KW Kayang, ZY Chen, S Hu… - Scientific Books of …, 2024 - Trans Tech Publ
For improving crystal quality of PVT-Grown silicon carbide (SiC) for power electronic
applications, a comprehensive understanding of the mechanisms of generation …