… physics 9- Modern Physics                      10- Optics .  II- Postgraduate 1-Thin Films  2- Solid State … , Volume 26, Issue 7,  pages 917–924, 1991 917–924. doi: 10.1002/crat.2170260720   5 “Reflection Electron Energy Loss … issue 2 August 15, 1994. p. 253-256 ►   ISSN: 0040-6090.   10 “ Structural study of ZnS thin films prepared by spray …