%0 Journal Article %T Synthesis, characterization and study of optical properties of polyvinyl alcohol/CaF2 nanocomposite films %A Nakhaei, Omolfajr %A Shahtahmassebi, Nasser %A Rezaee Roknabadi, Mahmood %A M. M. Bagheri Mohagheghi %J Scientia Iranica %@ 1026-3098 %D 2012