| 摘要 |
In the flux method, a source nitrogen gas is sufficiently heated before feeding to an Na-Ga mixture. The apparatus of the invention is provided for producing a group III nitride based compound semiconductor The apparatus includes a reactor which maintains a group III metal and a metal differing from the group III metal in a molten state, a heating apparatus for heating the reactor, an outer vessel for accommodating the reactor and the heating apparatus, and a feed pipe for feeding a gas containing at least nitrogen from the outside of the outer vessel into the reactor. The feed pipe has a zone for being heated together with the reactor by means of the heating apparatus, wherein the zone is heated inside the outer vessel and outside the reactor.
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