Effect of PbNi1/3Nb2/3O3 on the Dielectric and Piezoelectric Properties of Multicomponent Solid Solutions Based on PbMg1/3Nb2/3O3–PbTiO3

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Abstract

The effect of PbNi1/3Nb2/3O3 addition on the dielectric and piezoelectric responses of the mPbMg1/3Nb2/3O3–nPbNi1/3Nb2/3O3–yPbZn1/3Nb2/3O3–xPbTiO3 ceramic system doped with barium is investigated. It is found that raising the concentration of PbNi1/3Nb2/3O3 results in a sharp drop in the maximum values of piezoelectric module |d31| (by almost half, from 321 to 186 pC/N−1), shifting the maximum of |d31|(x) toward a tetragonal phase (from x ≈ 0.300 to x ≈ 0.325) and increasing the relative permittivity throughout the range of x variation (at low x, from 11 000 to 16 500). Possible reasons for the observed changes are discussed.

About the authors

M. V. Talanov

Research Institute of Physics

Author for correspondence.
Email: mvtalanov@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

L. A. Reznichenko

Research Institute of Physics

Email: mvtalanov@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

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