Symmetry breaking structural relaxation and optical transitions of native defects and carbon impurities in LiGa${}_5$O${}_8$

Klichchupong Dabsamut, Adisak Boonchun, Walter R. L. Lambrecht

LiGa${}_5$O${}_8$ in a spinel type structure has recently been claimed to be an unintentional p-type ultra-wide-band-gap oxide semiconductor. While previous computational work did not…