Presentation Information
[MoB3-04]Pseudo-cubic representation of the monoclinic β-Ga2O3 structure
〇Takayoshi Oshima1 (1. NIMS (Japan))
The monoclinic crystal structure of β-Ga2O3 is more complex than those of conventional semiconductors. In this study, we show that this complexity can be simplified by focusing on the oxygen sublattice, which forms a slightly distorted cubic close-packed structure approximated as a pseudo-cubic face-centered cubic framework. Based on this model, we define an average pseudo-cubic unit cell and systematically clarify the correspondence between the crystallographic planes of the oxygen sublattice and monoclinic β-Ga2O3, providing a practical and unified crystallographic viewpoint.
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