Electronic Transitions For (PMMA –LiF) composites | ||
| Journal of College of Education | ||
| Article 1, Volume 0, Issue 1, August 2017, Pages 173-182 | ||
| Authors | ||
| Hamed I. Aboud; Ahmed Hashim; Marwa Abdul-Muhsien | ||
| Abstract | ||
| In this paper ,the effect of addition Lithium Fluoride on some optical properties of poly-methyl methacrylate has been studied . For that purpose , many samples have been prepared by Hot Press method .The absorption and transmission spectra have been recorded in the wavelength range (300-1100)nm . The absorption coefficient and energy gap of the indirect allowed and forbidden transition have been determined. | ||
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