Microstructure and evolution of barium fluorozirconate crystal in a ZrF sub 4 -BaF sub 2 -LaF sub 3 -AlF sub 3 -NaF glass

Microstructure and evolution of barium fluorozirconate crystal in a ZrF sub 4 -BaF sub 2 -LaF sub 3 -AlF sub 3 -NaF glass

The crystal is a complex structure consisting of 5 coexisting Ba fluorozirconate phases. In the initial very low birefringent crystal, the principal phase is beta -ZrF sub 4 multiplied by BaF sub 2 . Later crystal growth on top of the initial crystal is beta -2ZrF sub 4 multiplied by BaF sub 2 . A s...

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Veröffentlicht in:Journal of the American Ceramic Society 1986-08, Vol.69 (8), p.585-589
Hauptverfasser: Lu, Grant, Bradley, John P
Format: Artikel
Sprache:eng
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Zusammenfassung:The crystal is a complex structure consisting of 5 coexisting Ba fluorozirconate phases. In the initial very low birefringent crystal, the principal phase is beta -ZrF sub 4 multiplied by BaF sub 2 . Later crystal growth on top of the initial crystal is beta -2ZrF sub 4 multiplied by BaF sub 2 . A strong scattering center at the center of some crystals is elemental Pt.
ISSN:0002-7820