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High quality Tb3+/Eu3+ co-doped cubic NaYF4 single crystal in the size of Φ1.0 cm × 6.6 cm was grown by a modified Bridgman method using KF as assistant flux for NaF–YF3 system under the condition of completely closed Pt crucible. A white light emission from the combination of the violet-blue, blue, green, orange, and red lights with chromaticity coordinates of x = 0.3107, y = 0.3274, correlated color...
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