Prospects and challenges of the electrocaloric phenomenon in ferroelectric ceramics

A Kumar, A Thakre, DY Jeong, J Ryu - Journal of Materials Chemistry …, 2019 - pubs.rsc.org
The electrocaloric effect (ECE), which refers to changes in the temperature of a material
when an electric field is applied to or removed from the material, is one of the key …

High-energy storage performance of (1 − x)[0.935(Bi0.5Na0.5)TiO3–0.065BaTiO3]–xBa(Zr0.3Ti0.7)O3 ceramics with wide temperature range

X Fan, P Li, J Du, C Chen, P Fu, J Hao, Z Yue… - Journal of Materials …, 2020 - Springer
Abstract The (1− x)[0.935 (Bi 0.5 Na 0.5) TiO 3–0.065 BaTiO 3]–x Ba (Zr 0.3 Ti 0.7) O 3 (BNT–
BT–x BZT) ceramics with high-energy storage properties were designed and characterized …

Enhanced electrocaloric effect at room temperature in Mn2+ doped lead-free (BaSr)TiO3 ceramics via a direct measurement

X Niu, X Jian, X Chen, H Li, W Liang, Y Yao… - Journal of Advanced …, 2021 - Springer
Abstract (Ba 1− x Sr x)(Mn y Ti 1− y) O 3 (BSMT) ceramics with x= 35, 40 mol% and y= 0, 0.1,
0.2, 0.3, 0.4, 0.5 mol% were prepared using a conventional solid-state reaction approach …

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

B Peng, QI Zhang, B Gang, GJT Leighton… - Energy & …, 2019 - pubs.rsc.org
Ferroelectric/antiferroelectric thin/thick films with large positive or negative electrocaloric
(EC) effects could be very useful in designing commercial refrigeration devices. Here, a …

Structural and impedance spectroscopic study of Zn-substituted Ba5CaTi2Nb8O30 tetragonal tungsten bronze ceramics

A Bendahhou, P Marchet, S El Barkany… - Journal of Alloys and …, 2021 - Elsevier
Zn-doped tungsten bronze compounds derived from Ba 5 CaTi 2 Nb 8 O 30, with Ba 5 CaTi
2− x Zn x Nb 8 O 30 composition (x= 0; 0.04 and 0.08) were synthesized by the conventional …

Multifunctionality of lead-free BiFeO3-based ergodic relaxor ferroelectric ceramics: High energy storage performance and electrocaloric effect

F Li, J Zhai, B Shen, H Zeng, X Jian, S Lu - Journal of Alloys and …, 2019 - Elsevier
With industrializations speeding up, the need for materials with multiple functions are
growing because of ever-increasing complexity of electronic devices. The BiFeO 3-based …

Effects of long-and short-range ferroelectric order on the electrocaloric effect in relaxor ferroelectric ceramics

J Li, J Li, S Qin, X Su, L Qiao, Y Wang, T Lookman… - Physical Review …, 2019 - APS
We study the electrocaloric effect (ECE) in a typical relaxor ferroelectric ceramic of Pb 0.91
La 0.06 Zr 0.8 Ti 0.2 O 3 by analyzing the respective contributions of long-range-ordered …

Field-driven merging of polarizations and enhanced electrocaloric effect in BaTiO3-based lead-free ceramics

X Niu, X Jian, W Gong, W Liang, X Gong… - Journal of Advanced …, 2022 - Springer
Solid-state cooling technology based on electrocaloric effect (ECE) has been advanced as
an alternative to replace the vapour-compression approach to overcome the releasing of the …

Enhanced dielectric and electrocaloric properties in lead-free rod-like BCZT ceramics

Z Hanani, S Merselmiz, A Danine, N Stein… - Journal of Advanced …, 2020 - Springer
Abstract Ba 0.85 Ca 0.15 Zr 0.10 Ti 0.90 O 3 (BCZT) lead-free ceramics demonstrated
excellent dielectric, ferroelectric, and piezoelectric properties at the morphotropic phase …

Origin of large negative electrocaloric effect in antiferroelectric

P Vales-Castro, R Faye, M Vellvehi, Y Nouchokgwe… - Physical Review B, 2021 - APS
We have studied the electrocaloric response of the archetypal antiferroelectric PbZr O 3 as a
function of voltage and temperature in the vicinity of its antiferroelectric-paraelectric phase …