Impact Ionization Coefficients in (Al<sub> <i>x</i> </sub>Ga<sub>1-<i>x</i> </sub>)<sub>0.52</sub>In<sub>0.48</sub>P and Al<sub> <i>x</i> </sub>Ga<sub>1-<i>x</i> </sub>As Lattice-Matched to GaAs
I.E.E.E. transactions on electron devices/IEEE transactions on electron devices