Influence of thermal cycling rate and sintering temperature of barium titanate and barium strontium titanate ceramics on their dielectric properties

被引：1

作者：

Semenov, Alexander ^{[1
]}

Mylnikov, Ivan ^{[1
,2
]}

Es'kov, Andrey ^{[2
]}

Anokhin, Alexander ^{[2
,3
]}

Pavlova, Yulia ^{[1
]}

Dedyk, Antonina ^{[1
]}

Kholkin, Andrei ^{[4
]}

机构：

[1] St Petersburg State Electrotech Univ, Dept Phys, St Petersburg, Russia

[2] St Petersburg State Electrotech Univ, Lab Mat Technol & Elements Integrated Radiophoton, St Petersburg, Russia

[3] ITMO Univ, Lab Mat & Struct Electro & Magnetocalor Energy Con, St Petersburg, Russia

[4] Univ Aveiro, CICECO Aveiro Inst Mat, Dept Phys, Aveiro, Portugal

来源：

FERROELECTRICS | 2024年 / 618卷 / 04期

关键词：

Ferroelectrics; barium titanate; barium strontium titanate; electrocaloric effect; temperature hysteresis; PIEZOELECTRICITY; DEPENDENCE; CRYSTALS;

D O I：

10.1080/00150193.2023.2300599

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

One of the negative effects of ferroelectric applications, particularly for electrocaloric effect (ECE) applications, is temperature hysteresis (Delta THyst). Temperature hysteresis is the difference between the temperatures corresponding to the maximum dielectric permittivity in heating and cooling modes. The value of Delta THyst is commensurate with the value of the ECE temperature change. The ECE is a phenomenon in which a material shows a reversible temperature change under an applied electric field. The aim of this work is to study the possibilities of temperature hysteresis reduction by varying the ceramic sintering temperature, changing the stoichiometry of BaxSr1-xTiO3 solid solutions, and changing the rate of the heating-cooling cycle.

引用

页码：895 / 905

页数：11

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