New zirconium free multicomponent fluoride glasses

Systematic investigations of indium based heavy metal fluoride glasses have led to the discovery of a fluoride composition with a low devitrification rate. The glass BIZYbT with the composition 30 BaF 2−30 InF 3−20 ZnF 2−10 YbF 3−10 ThF 4 is characterized by a difference Tc−Tg = 123° C and an I.R. m...

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Veröffentlicht in:	Mater. Res. Bull.; (United States) 1987-05, Vol.22 (5), p.685-689
Hauptverfasser:	Bouaggad, Abdelmajid, Fonteneau, Gilles, Lucas, Jacques
Format:	Artikel
Sprache:	eng
Schlagworte:	360603 - Materials- Properties ACTINIDE COMPOUNDS ALKALINE EARTH METAL COMPOUNDS Applied sciences BARIUM COMPOUNDS BARIUM FLUORIDES Building materials. Ceramics. Glasses CHEMICAL COMPOSITION Chemical industry and chemicals ELECTROMAGNETIC RADIATION Exact sciences and technology FIBERS FLUORIDES FLUORINE COMPOUNDS GLASS Glasses HALIDES HALOGEN COMPOUNDS INDIUM COMPOUNDS INDIUM FLUORIDES INFRARED RADIATION LIGHT TRANSMISSION MATERIALS SCIENCE OPTICAL FIBERS OPTICAL PROPERTIES PHYSICAL PROPERTIES RADIATIONS RARE EARTH COMPOUNDS Special glasses THORIUM COMPOUNDS THORIUM FLUORIDES VITRIFICATION YTTERBIUM COMPOUNDS YTTERBIUM FLUORIDES ZINC COMPOUNDS ZINC FLUORIDES ZINC HALIDES
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Beschreibung
Zusammenfassung:	Systematic investigations of indium based heavy metal fluoride glasses have led to the discovery of a fluoride composition with a low devitrification rate. The glass BIZYbT with the composition 30 BaF 2−30 InF 3−20 ZnF 2−10 YbF 3−10 ThF 4 is characterized by a difference Tc−Tg = 123° C and an I.R. multiphonon edge lying in the 8 μm region, about 1 μm longer than for the fluorozirconate. Investigations of the T.T.T. curve and various optical properties indicate that this composition is a good candidate for I.R. fluoride fibers of wide transmission range.
ISSN:	0025-5408 1873-4227
DOI:	10.1016/0025-5408(87)90118-8