SINGLE CRYSTAL PHOSPHOR, PHOSPHOR-CONTAINING MEMBER AND LIGHT-EMITTING DEVICE
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Oct 22, 2014
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Oct 23, 2013
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Provided are a YAG-based single crystal phosphor which produces fluorescence in an unconventional color and a phosphor-containing member and a light emitting device including the single crystal phosphor. Provided is a single crystal phosphor which includes a composition represented by composition formula (Y1−a−bLuaCeb)3+cAl5−cO12 (wherein 0≦a≦0.9994, 0.0002≦b≦0.0067 and −0.016≦c≦0.315), and in which CIE chromaticity coordinates x and y of an emission spectrum satisfy a relationship of −0.4377x+0.7384≦y≦−0.4585x+0.7504 when a peak wavelength of excitation light is 450 nm and temperature is 25° C.
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