Brillouin spectra of liquid ammonia at 297 K measured in platelet geometry. The liquid ammonia solidifies at 0.96 GPa at room temperature. refers to Rayleigh peak; indicates the longitudinal signal of liquid ammonia; indicates the weak backscattering signal; the longitudinal modes of solid ammonia is indicated by .
Pressure dependence of acoustic velocities for liquid at (a) 297 K, (b) 332 K, (c) 384 K, and (d) 410 K; open diamonds measured by Abramson (Ref. 15); open triangles interpolated from the EOS of Mills et al. (Ref. 11).
Pressure evolutions of the refractive index in liquid . Error bars are calculated on the basis of the uncertainties in both Brillouin frequency shift and pressure.
Density ratio vs pressure of liquid ammonia at (a) 297 K, (b) 332 K, (c) 384 K, and (d) 410 K.
Pressure evolutions of adiabatic bulk moduli in liquid ammonia.
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