It is affirmed that the absorption edge below 4. 0 eV is attributable to indirect transition,the significant discussion of three straight-line parts of spectral line are obtained by studing the curve of LiNbO3. The energy gap E, is 3. 38eV.
英
美
- 通過(guò)對晶體a~(1/2)-hv曲線(xiàn)的研究;肯定了40.;eV以下吸收邊的間接躍遷性質(zhì);并討論了三段直線(xiàn)的意義。 確定了禁帶寬度E_f的值為3