New fluorophosphate glasses based on MnF 2 , NaPO 3 and MF n (M = Zn 2+ , Sr 2+ , Mg 2+ , Ba 2+ , Li + , Na + and K + ) have been synthesised and characterized. Large vitreous areas were observed. Samples of 4 mm in thickness have been obtained. These glasses are easy to prepare and stable in ambient air. Depending on the composition and the nature of the M cation, glass transition temperature, Tg, lies between 230 and 314°C, crystallisation temperature, Tx is between 320 and 475°C. These glasses are pink coloured, and infrared transmission extends up to 4.5 m with extrinsic OH -absorption band at 3200 cm -1 and other bands around 2200 and 1600 cm -1 that relate to PO 4 tetrahedron vibration. Other physical properties including density, microhardness, Young modulus, thermal expansion and refractive index were investigated and correlated to composition.
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