| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of producing an aluminum nitride single crystal, by which the aluminum nitride single crystal having a large diameter can be produced at a low cost. SOLUTION: In the method of producing the aluminum nitride single crystal, the aluminum nitride single crystal is grown by melting an aluminum alloy containing at least one transition metal element in an amount of 1 to 50 atom.% in total, in a non-oxidizing atmosphere containing nitrogen and maintaining the alloy in a molten state for a predetermined time so as to accelerate nitriding of aluminum.
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