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Title: Crystallization study of heavy metal fluoride glasses ZBLAN by Raman spectroscopy
Authors: Qin, L.
Shen, Z.X. 
Low, B.L.
Lee, H.K. 
Lu, T.J. 
Dai, Y.S.
Tang, S.H. 
Kuok, M.H. 
Issue Date: 1997
Citation: Qin, L.,Shen, Z.X.,Low, B.L.,Lee, H.K.,Lu, T.J.,Dai, Y.S.,Tang, S.H.,Kuok, M.H. (1997). Crystallization study of heavy metal fluoride glasses ZBLAN by Raman spectroscopy. Journal of Raman Spectroscopy 28 (7) : 495-499. ScholarBank@NUS Repository.
Abstract: Heavy metal fluoride glass ZBLAN, with molar composition ZrF4(53)-BaF2(20)-LaF3(4)-AlF 3(3)-NaF(20), was studied in vacuum at high temperatures up to 480°C by Raman spectroscopy. The vitreous glass was found to crystallize at 330°C, most probably to β-BaZrF6 crystallites. High-temperature experiments in air were also carried out and ZrO2 was formed at the surface of the sample. Doping by SiO2 increases the crystallization temperature by 25°C for experiments performed in air, while PbO2 dopants are found to react with the host. © 1997 John Wiley & Sons, Ltd.
Source Title: Journal of Raman Spectroscopy
ISSN: 03770486
Appears in Collections:Staff Publications

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