Dielectric and piezoelectric properties of ceramic material based on modified lead zirconate titanate

Leonid N. Korotkov; Nikita A. Tolstykh; Ivan I. Popov; Alexey I. Bocharov; Maxim A. Kashirin

doi:10.17308/kcmf.2025.27/13015

Leonid N. Korotkov Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation https://orcid.org/0000-0002-5350-5841
Nikita A. Tolstykh Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation https://orcid.org/0000-0001-5994-9331
Ivan I. Popov Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation https://orcid.org/0000-0002-1183-0662
Alexey I. Bocharov Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation https://orcid.org/0000-0003-4812-9586
Maxim A. Kashirin Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation https://orcid.org/0000-0003-0150-0317

DOI: https://doi.org/10.17308/kcmf.2025.27/13015

Keywords: High-entropy ferroelectrics, Electromechanical quality factor, Permittivity, Diffuse phase transition, Dielectric relaxation

Abstract

Purpose: A new high-entropy ferroelectric material 0.9Pb_0.95Sr_0.05(Zr_0.52Ti_0.48)O₃-0.05Pb(Zn_1/3Nb_2/3)O₃-0.05Pb(Mn_1/3Sb_2/3)O₃ was synthesized. At room temperature, it has a tetragonal perovskite-like crystal lattice and is characterized by a high electromechanical quality factor.

Experimental: The dielectric properties was studied in the temperature range of 20 – 500 °C at frequencies of 0.5 – 500 kHz. A noticeable decrease in the temperature of the ferroelectric phase transition (Tm) in сomparison with the base composition Pb_0.95Sr_0.05(Zr_0.52Ti_0.48)O₃ and its diffusion were revealed.

Conclusions: Analysis of experimental data suggests that the material under study is an “intermediate link” between conventional andrelaxor ferroelectrics

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Author Biographies

Leonid N. Korotkov, Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation

Dr. Sci. (Phys.–Math), Professor at the Department of Solid-State Electronics, Voronezh State
Technical University (Voronezh, Russian Federation)

Nikita A. Tolstykh, Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation

Cand. Sci. (Phys.–Math.), Head of the Scientific and Educational Laboratory «Functional Materials»,
Voronezh State Technical University (Voronezh, Russian Federation)

Ivan I. Popov, Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation

Cand. Sci. (Phys.–Math.), Senior Lecturer at the Department of Solid-State Electronics, Voronezh State
Technical University (Voronezh, Russian Federation)

Alexey I. Bocharov, Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation

Leading Engineer of the BREC «Thermoelectric Phenomena», Voronezh State Technical
University (Voronezh, Russian Federation)

Maxim A. Kashirin, Voronezh State Technical University, 20 let Oktyabrya st., 84, Voronezh 394006, Russian Federation

Engineer of the Scientific and Educational Laboratory «Functional Materials, Voronezh
State Technical University (Voronezh, Russian Federation)

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