To provide a ceramic composite which is excellent in emission intensity even in a simple constitution and is a luminous body of which a specific physical property is relatively easily controlled.
The ceramic composite has: a phosphor phase constituted of YAG containing Ce; a matrix phase constituted of at least one of Al2O3 and AlN; and one or a plurality of impurities except elements constituting the phosphor phase and the matrix phase, characterized in that the phosphor phase constitutes 20 vol% or more but 52 vol% or less of the ceramic composite; a content of the Ce is 0.005 or more but 0.08 or less at an atom ratio to Y in YAG; and its vertical thickness is 30 μm or more but 200 μm or less with respect to a principal surface of the ceramic composite.
FUJITA MITSUHIRO
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Tetsuma Ikegami
Akira Sudo