Leydig, Voit & Mayer, Ltd.
Method for production of a nitride semiconductor laminated structure and an optical semiconductor device
A nitride semiconductor laminated structure comprises: a substrate; a first p-type nitride semiconductor layer formed using an organometallic compound as a Group III element source material, a p-type impurity source material, and ammonia as a Group V element source material, with the hydrogen concentration in the first p-type nitride semiconductor layer being 1×1019 cm−3 or less; and a second p-type nitride semiconductor layer on the first p-type nitride semiconductor layer formed using an organometallic compound as a Group III element source material, a p-type impurity source material, and ammonia and a hydrazine derivative as Group V element source materials, with the carbon concentration in the second p-type nitride semiconductor layer being 1×1018 cm−3 or less.
Mitsubishi Electric Corporation
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Akihito Masayoshi Nobuyuki
Ohno Takemi Tomita