The influence of phase transition on electrocaloric effect in lead-free (Ba0.9 Ca0.1 )(Ti1−x Zr x )O3 ceramics

2017 ◽  
Vol 100 (11) ◽  
pp. 5202-5210 ◽  
Author(s):  
Xin Nie ◽  
Shiguang Yan ◽  
Shaobo Guo ◽  
Fei Cao ◽  
Chunhua Yao ◽  
...  
Keyword(s):  
Phase Transition ◽  
Lead Free ◽  
Electrocaloric Effect

Large electrocaloric effect over a wide temperature range in BaTiO3-modified lead-free ceramics

2019 ◽  
Vol 7 (5) ◽  
pp. 1353-1358 ◽  
Author(s):  
Luo Zhao ◽  
Xiaoqin Ke ◽  
Zhijian Zhou ◽  
Xiaoqi Liao ◽  
Junjie Li ◽  
...  
Keyword(s):  
Phase Transition ◽  
Wide Temperature Range ◽  
Diffuse Phase Transition ◽  
Lead Free ◽  
Broad Temperature Range ◽  
Electrocaloric Effect ◽  
Temperature Range ◽  
Lead Free Ceramics ◽  
Diffuse Phase

BT-13CH exhibits a large electrocaloric effect over a broad temperature range because of multiphase coexistence (MPC) with diffuse phase transition (DPT) character.

scholarly journals Phase-transition induced giant negative electrocaloric effect in a lead-free relaxor ferroelectric thin film

2019 ◽  
Vol 12 (5) ◽  
pp. 1708-1717 ◽  
Author(s):  
Biaolin Peng ◽  
Qi Zhang ◽  
Bai Gang ◽  
Glenn J. T. Leighton ◽  
Christopher Shaw ◽  
...  
Keyword(s):  
Thin Film ◽  
Phase Transition ◽  
Thick Films ◽  
Ferroelectric Thin Film ◽  
Relaxor Ferroelectric ◽  
Lead Free ◽  
Electrocaloric Effect

Ferroelectric/antiferroelectric thin/thick films with large positive or negative electrocaloric (EC) effects could be very useful in designing commercial refrigeration devices.

Phase transition and temperature stability of KNN-based lead-free piezoceramics

2021 ◽  
Vol 570 (1) ◽  
pp. 31-36
Author(s):  
Yang Zhang ◽  
Honglin Li ◽  
Mingling Li ◽  
Xiaoyong Xu
Keyword(s):  
Phase Transition ◽  
Temperature Stability ◽  
Lead Free

Temperature-induced phase transition of -oriented 0.92Na0.5Bi0.5TiO3-0.08Bi(Zn0.5Ti0.5)O3 lead-free single crystals

2021 ◽  
Author(s):  
Junjie Xiao ◽  
Sixing Liu ◽  
Jushan Wang ◽  
Jialin Xu ◽  
Zhang Zhang ◽  
...  
Keyword(s):  
Phase Transition ◽  
Single Crystals ◽  
Lead Free

Niobate-based lead-free piezoceramics: a diffused phase transition boundary leading to temperature-insensitive high piezoelectric voltage coefficients

2018 ◽  
Vol 6 (5) ◽  
pp. 1116-1125 ◽  
Author(s):  
Qing Liu ◽  
Jing-Feng Li ◽  
Lei Zhao ◽  
Yichi Zhang ◽  
Jing Gao ◽  
...  
Keyword(s):  
Phase Transition ◽  
Thermal Stability ◽  
Lead Free ◽  
Thermally Stable ◽  
Transition Boundary ◽  
Diffused Phase Transition ◽  
Piezoelectric Voltage ◽  
Phase Transition Boundary

A large and thermally stable d33 was observed in dense and translucent KNN-based ceramics. Forming the R–O–T diffused phase transition is validated as a feasible way to realize the simultaneous enhancement of piezoelectricity and thermal stability.

scholarly journals Impact of phase transition sequence on the electrocaloric effect in Pb(Nb,Zr,Sn,Ti)O3 ceramics

2017 ◽  
Vol 110 (8) ◽  
pp. 082901 ◽  
Author(s):  
Zunping Xu ◽  
Zhongming Fan ◽  
Xiaoming Liu ◽  
Xiaoli Tan
Keyword(s):  
Phase Transition ◽  
Electrocaloric Effect ◽  
Transition Sequence
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