Abstract
Depolarized low frequency Raman spectra obtained for molten antimony trichloride are discussed. Measurement has also been performed on the supercooled liquid down to 53.2° below the melting point (tm = 73.4 °C. The experimental results indicate that the spectral contributions, in the range 2–100 cm−1 of Stokes shift from the exciting line are due to: (1) a central Lorentzian line, whose width and intensity are connected to the dynamics of the break-up of intermolecular chlorine bridges; and (2) a solidlike contribution that furnishes an effective density of states, which corresponds to a convolution of ’’acoustical’’ and ’’optical’’ modes in a coupled linear chain structure with middle range order.
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