论文信息 - Dielectric response in piezoelectric crystals

Dielectric response in piezoelectric crystals

Raman scattering measurements in KDA and CsDA are used to show that the soft mode in a piezoelectric ferroelectric may not be described as a classical damped oscillator. The discrepancy arises because of a contribution to the selfenergy of the mode at low frequencies which arise from the coupling of the mode with fluctuations in the phonon density.

R. Cowley | R. Katiyar | J. Scott | J. F. Ryan | G. Coombs

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