Optical properties of MoO3 containing tellurite glasses

Jose, Rajan; Arai, Yusuke; Ohishi, Yasutake
October 2008
Applied Physics Letters;10/20/2008, Vol. 93 Issue 16, p161901
Academic Journal
It was observed that P2O5 generates TeO5+δ groups in tellurite glasses that have a profound influence on their optical properties. The presence of TeO5+δ groups in phosphotellurite glass made MoO3 behave in a different way compared to other tellurite glass systems that do not contain P2O5. The refractive index measurements and Raman spectroscopy were combined to show that the addition of MoO3 in a phosphotellurite glass generates TeO3+1 polyhedron, whereas it generates TeO3 trigonal bipyramids in other glass systems. The MoO3 system showed absorption bands corresponding to Mo5+ ion in phosphotellurite glasses, whereas no similar bands were observed for other glasses.


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