Comparison of the Raman spectra of the LN layer with the almost stoichiometric composition and of the single crystal with the congruent composition. The width of the modes is dependent on the concentration of nonstoichiometry defects.
Comparison of the Raman spectra of the LN layer with the almost stoichiometric composition and of the single crystal with the congruent composition. The width of the modes is dependent on the concentration of nonstoichiometry defects.