“…The Raman spectra for various systems: 1, nanopar ticle III; 2, nanoparticle IV; 3, amorphous gallium, exper iment[23]; 4, α quartz, experiment[24]; 5, molten quartz, experiment[25].σ, a.u. tions of the η(ω) and κ(ω) functions are usually phase shifted.…”