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OXYNITRIDE FLUORESCENT MATERIAL, LIGHT EMITTING DEVICE, AND METHOD FOR PRODUCING OXYNITRIDE FLUORE

2026-04-07 17:044720下载
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Provided are an oxynitride fluorescent material, a light emitting device, and a method for producing an oxynitride fluorescent material. The oxynitride fluorescent material containing a composition represented by the following formula (I); (Ba1−aEua)1−bMbSi2O2+cN2+d (I), wherein in the formula (I), M represents at least one element selected from the group consisting of rare earth elements excluding Eu and Sm; and a, b, c, and d each satisfy 0
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