Elastic and photoelastic constants of NaCl,KBr and LiF by Brillouin scattering |
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| Authors: | H Braul CA Plint |
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| Institution: | Department of Physics, Brock University, St. Catharines, Ontario, Canada L2S 3A1 |
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| Abstract: | Elastic and photoelastic constants of NaCl, KBr and LiF were determined from Brillouin frequency shifts and intensities. Reported differences between the hypersonic and ultrasonic elastic constants for KBr and LiF were not confirmed. For each material the constants were in good agreement with the ultrasonic values. Scattering from longitudinal, transverse and mixed phonon modes was clearly observed for each material. |
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