Dislocation damping with phonons in KCl crystals

A.M.Petchenko


Kharkiv State Academy for Municipal Utilities, 12 Revolutsii St., 61002 Kharkiv, Ukraine

Received August 18, 1999

The frequency spectra of acoustic losses in <100> oriented KCl crystals have been studied in the frequency range 7.5 to 232.5 MC at temperatures from 77 to 300 K. Proceeding from those spectra, the temperature dependence of viscosity coefficient, B, has been determined. The dependence has been compared with theory and the data obtained by other experimental methods.

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