(2010). Study of the Effect of Gamma rays on the Optical Bandgap of Poly (Methyl Methacrylat) (PMMA) Films. , 6(4), 105-111.
. "Study of the Effect of Gamma rays on the Optical Bandgap of Poly (Methyl Methacrylat) (PMMA) Films". , 6, 4, 2010, 105-111.
(2010). 'Study of the Effect of Gamma rays on the Optical Bandgap of Poly (Methyl Methacrylat) (PMMA) Films', , 6(4), pp. 105-111.
Study of the Effect of Gamma rays on the Optical Bandgap of Poly (Methyl Methacrylat) (PMMA) Films. , 2010; 6(4): 105-111.

Study of the Effect of Gamma rays on the Optical Bandgap of Poly (Methyl Methacrylat) (PMMA) Films

Diyala Journal For Pure Science
Article 1, Volume 6, Issue 4, 2010, Pages 105-111
Abstract
In this research, We study the effect of irradiation by gamma rays from (Cs137)
source on the transmission, absorption coefficient and optical energy gap of the indirect,
allowed, forbidden transition for poly (methyl methacrylat ) (PMMA) films prepared by using
casting technique in room temperature. the absorption and transmission spectra has been
recorded in the wave length rang (300-٩٠٠) nm .
Keywords
gamma rays; Optical Bandgap; poly; PMMA
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