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vafaei S, Hekmat shoar M H. Investigation of structural and optical properties of glasses with composition of ( P2O5 – V2O5 – Li2O – K2O ). ICOP & ICPET _ INPC _ ICOFS 2015; 21 :325-328
URL: http://opsi.ir/article-1-517-en.html
URL: http://opsi.ir/article-1-517-en.html
1- sahand technology university
2- Sahand technology university
2- Sahand technology university
Abstract: (4202 Views)
Glassy thin films with composition of 40P2O5 – 30V2O5 – (30 – x)Li2O – xK2O , were prepared by conventional melt quenching method . X-ray diffraction patterns confirmed the glassy character of the samples.UV and IR properties of samples have been investigated. Non linearly variation of optical band gap and Urbach energy have exhibited a mixed alkali effect. IR spectroscopies confirmed the existence of P-O-P,PO -, PO2 ,V-O-V,V-O-P,V═O bond groups.
Keywords: Glassy films, Mixed alkali effect
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