檢視 $ifimpactusepureExy 的原始碼

$ifimpactusepureExy make the program to calculate the impact ionization using pure Ex and Ey instead of using <math> \nabla Ec </math> and  <math> \nabla Ev </math> for electron and hole impact ionization. <br>

For more details on impact ionization, please see
[[$ifimpact_ion]]  or new command [[$ifimpact_new]]