Record Maximum Oscillation Frequency in C-Face Epitaxial Graphene Transistors
Record Maximum Oscillation Frequency in C-Face Epitaxial Graphene Transistors
The maximum oscillation frequency (fmax) quantifies the practical upper bound for useful circuit operation. We report here an fmax of 70 GHz in transistors using epitaxial graphene grown on the C-face of SiC. This is a significant improvement over Si-face epitaxial graphene used in the prior high-frequency transistor studies, exemplifying …