Dielectric transparency induced by hetero-phase oscillations near the phase transition of relaxor ferroelectrics

Details Dielectric transparency induced by hetero-phase oscillations near the phase transition of relaxor ferroelectrics Dielectric transparency induced by hetero-phase oscillations near the phase transition of relaxor ferroelectrics

2012-03-12

arxiv.org/abs/1203.2639v1

Physics

Condensed Matter

Materials Science

7 pages, 8 figures

Scientific paper

We report the observation of a "transparency window" in the dielectric resonant absorption spectrum of the relaxor ferroelectric K1-xLixTaO3 (KLT) in the vicinity of its weakly first order transition. This phenomenon is shown to be conceptually similar to the electro-magnetically induced transparency (EIT) phenomenon observed in atomic vapors, which can be modeled classically by a driven master -slave oscillator system. In KLT, it reveals the presence of macroscopic hetero-phase fluctuations and provides unique information on the nature and mechanism of the phase transition in relaxors.

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