Abstract
AbstractThe behavior of the dielectric response in relaxor ferroelectric materials is studied by means of Monte Carlo simulations of a simple two‐dimensional (2D) generic model. It is showed that the shifting with the frequency of the peak of the temperature dependence of the dielectric permittivity ε can be obtained just by considering a randomly distributed pinning anisotropy for the out‐plane projection of the polar nanoregions. It is also showed that the consideration of a weak long‐range dipolar interaction between nanodomains continuously drives the system to a non‐relaxor ferroelectric state in which a single peak is observed for the dielectric permittivity.
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