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Process Analysis in the Preparation of Fluorozirconate Glasses

  • M. Braglia (a1), G. Cocito (a1), M. Ferraris (a1), G. Grego (a1), G. Parisi (a1) and R. Chiappetta (a1)...

Abstract

Different preparation processes for fluorozirconate glasses (ZBLAN) have been investigated by infrared spectroscopy (IR) and x-ray diffraction (XRD). Glasses have been prepared with different NH4 F.HF amount (20–10–5–0% weight) or with NF30 as fluorinating agent. The presence of NF3 in the fluorination step of the preparation is useful to improve the glass quality in terms of oxide and hydroxil content: electron spin resonance (ESR) on these glasses (γ-irradiated, 20 Mrad) does not detect any signal.

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[2] Poignant, H., in Halide Glasses for Infrared Fiberoptics, edited by Almeida, R.M. (NATO ASI SERIES, Series E n. 123), p. 35
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[4] Braglia, M., Ferraris, M., Grego, G., Parisi, G., Salasco, L., Taiariol, F., “6th Int. Symposium on Halide Glasses-Clausthal FRG p. 91 1989
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Process Analysis in the Preparation of Fluorozirconate Glasses

  • M. Braglia (a1), G. Cocito (a1), M. Ferraris (a1), G. Grego (a1), G. Parisi (a1) and R. Chiappetta (a1)...

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