Abstract

A homojunction of single-crystallineβ-Ga2O3 nanowires and nanocrystals was realized.Ga2O3 nanowires weresynthesized at about 850–950 °C using a mixture of Ga2O3 and graphite powder with vapor phase epitaxy. It was found that theβ-Ga2O3 nanocrystals form a single unit with the nanowires and arepart of the same single crystal with a perfect lattice. Growth ofβ-Ga2O3 nanocrystals follows the growth direction of the mainβ-Ga2O3 nanowires. The distance between neighboring atoms inβ-Ga2O3 nanowires was 0.522 nm, which is similar to the theoretical value for bulkβ-Ga2O3.

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