Complete Raman Tensor Determination in Birefringent $\beta$-Ga${}_2$O${}_3$ by Single-Stage Hyperspectral Analysis of Polarization Angle-Resolved Raman Spectra

Hans Tornatzky, Jonas Rose, Moritz Meißner +5

The low symmetry of the monoclinic phase of Ga${}_2$O${}_3$ leads to pronounced optical anisotropy and, consequently, to birefringence, which strongly affects the Raman response. Becau…