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The Ce 3+ and Dy 3+ co-doped fluorosilicate glass and glass ceramics containing SrF 2 or CeF 3 nanocrystals were prepared under reducing atmosphere. The precipitated nano-crystalline phase shifted from cubic SrF2 to hexagonal CeF 3 gradually with the heat treatment temperature increasing from 620 to 680 °C. The glass and glass ceramics emitted white light, deriving...
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