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http://dx.doi.org/10.4313/JKEM.2017.30.1.13

Dielectric Properties and Electro-Caloric Effects of Low Temperature Sintering Ba(Ti0.9Zr0.1)O3 Ceramics  

Yoo, Ju-Hyun (Institute of Environment-Friendly Material and Energy, Department of Electrical Engineering, Semyung University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.30, no.1, 2017 , pp. 13-16 More about this Journal
Abstract
In this study, in order to develop composition ceramics for refrigeration device application, $Ba(Ti_{0.9}Zr_{0.1})O_3$ composition was fabricated using conventional solid-state method. Electrocaloric effect of this ceramic was investigated using the characteristics of P-E hysteresis loops at wide temperature range from room temperature to $150^{\circ}C$. Curie temperature of $Ba(Ti_{0.9}Zr_{0.1})O_3$ ceramics showed $80^{\circ}C$. The maximum value of ${\Delta}T=0.12^{\circ}C$ in ambient temperature of $115^{\circ}C$ under 30 kV/cm was appeared. It is concluded that $Ba(Ti_{0.9}Zr_{0.1})O_3$ ceramics can be applied as refrigeration device application.
Keywords
Electrocaloric effect; Composition ceramics; $Ba(Ti_{0.9}Zr_{0.1})O_3$; Refrigeration device;
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