Revealing epitaxial relationships at Ga${}_2$O${}_3$ interfaces with p-type oxides

Anna Sacchi, Krishna Acharya, Michelle A. Smeaton +5

p-type oxide contact layers such as Cr${}_2$O${}_3$ and NiO are attracting increasing interest in pn-heterojunctions with n-type monoclinic $\beta$-Ga${}_2$O${}_3$ for high-power electronic de…