Before revision: IEEE 2014 Table IV (p 5) Material Saturation velocity x104 m/s VBreakdown MV/cm JFMSi=1.0 Notes/refs Silicon 1.0 0.3 1.0 GaAs 1.5 0.4 2.7 SiC 2.0 3.5 20 InP 0.67 0.5 0.33 GaN 2.5 3.3 27.5 JFM figures vary wildly between sources - see external links and talk page.
After revision: IEEE 2014 Table IV (p 5) Material Saturation velocity x105 m/s VBreakdown MV/cm JFMSi=1.0 Notes/refs Silicon 1.0 0.3 1.0 GaAs 1.5 0.4 2.7 SiC 2.0 3.5 20 InP 0.67 0.5 0.33 GaN 2.5 3.3 27.5 JFM figures vary wildly between sources - see external links and talk page.