Abstract
Measurements of acoustic attenuation in SrTi${\mathrm{O}}_{3}$ reveal critical scattering behavior near the structural phase transition at ${T}_{a}\ensuremath{\cong}105$ K. Power laws for the frequency and temperature dependences have been found. By these measurements the behavior of the soft mode frequencies could be studied in a temperature range one order of magnitude closer to ${T}_{a}$ than by other methods so far.
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