In this paper published last year at JPCC, we teamed up with Pierce Fix, Nicholas Borys (MSU Physics), and Patrick Kung (U. Alabama), to show that theory and experiment work together to quantify and interpret spatial non-resonant Raman spectra of 2D MoxW1-xS2. We track the evolution of the dominant modes as a function of composition in the heterostructure, and this includes the characterization of S-vacancy states. This allowed us to reverse-engineer the interface and observe that the averaged variation of composition in terms of position, indicating a smooth transition between the non-hybridized regions. Link