Power Device: SiC-Silicon Carbide, GaN-Gallium Nitride

SiC chip cost, the impact of defects, and the case of price parity with Si at the system level
SiC power chips are gaining significant market share and are projected to capture over 30% of the power chip market by 2029. Silicon devices are dominating power electronics due to their-
Excellent starting material quality
Low-cost volume production
Streamlined fabrication
Design/circuit legacy
Proven reliability
Ruggedness
WBG Semiconductors:
Silicon carbide (SiC): 3.3eV
Gallium nitride (GaN): 3.4eV
Zinc oxide (ZnO): 3.4eV
Gallium oxide (β-Ga2O3): 4.8-4.9eV
Diamond (C): 5.5eV
Aluminum Nitride (AlN): 6.0eV

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