Abstract
The hydrostatic pressure dependence of the dielectric response of 0.90Pb(Mg1/3Nb2/3) O3-0.10PbTiO3 (abbreviated to PMN-0.10PT hereafter) ceramic was studied. The effect of hydrostatic pressure shows several obvious characteristics: suppression of dielectric permittivity anomaly with −103/kbar, downward shift of Tm with −2.8 K/kbar at 10 kHz frequency and increase of ΔTm (Tm100kHz-Tm0.4kHz). Analysis of the dielectric response of the PMN-0.10PT indicates that hydrostatic pressure results in a decrease of the correlation radius rc of polar nanodomains, strengthening the glasslike character of the response.
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