[填空题]
When EM radiation is i66:ybt: j xpao:uxug/ncideh.x6mrk: aj/ y0e.cvont on diamond, it is found that light with wavelengths shorter than 226 nm will cause th.:.koc har j6v/0 eymxe diamond to conduct. What is the energy gap between the valence band and the conduction band for diamond? $E_g$ = eV
