Temperature dependence of the indirect band gap, steepness parameter and related optical constants of [K x(NH 4) 1−x] 2ZnCl 4 mixed crystals

Autor: Abu El-Fadl, A., Soltan, A.S., Shaalan, N.M.
Zdroj: In Optics and Laser Technology 2007 39(7):1310-1318
Databáze: ScienceDirect