| 摘要 |
A fluorescent substance is provided, with includes a matrix composed of a compound having an AlN polytypoid structure represented by the following general formula (1), and a luminescence center element: <?in-line-formulae description="In-line Formulae" end="lead"?>(Al, M)<SUB>a</SUB>(N, X)<SUB>b </SUB> (1) <?in-line-formulae description="In-line Formulae" end="tail"?> wherein, M is at least one metal excluding Al, X is at least one non-metal excluding N, and a and b are positive values.
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