Caloric materials near ferroic phase transitions
X Moya, S Kar-Narayan, ND Mathur - Nature materials, 2014 - nature.com
A magnetically, electrically or mechanically responsive material can undergo significant
thermal changes near a ferroic phase transition when its order parameter is modified by the …
thermal changes near a ferroic phase transition when its order parameter is modified by the …
Electrocaloric materials for future solid-state refrigeration technologies
M Valant - Progress in Materials Science, 2012 - Elsevier
The electrocaloric (EC) effect is an adiabatic and reversible temperature change that occurs
in a polar material upon application of an electric field. The current intensive research in EC …
in a polar material upon application of an electric field. The current intensive research in EC …
Large electrocaloric response and high energy-storage properties over a broad temperature range in lead-free NBT-ST ceramics
WP Cao, WL Li, XF Dai, TD Zhang, J Sheng… - Journal of the European …, 2016 - Elsevier
The improvement of the electrocaloric effect (ECE) in (1− x)(Na 0.5 Bi 0.5) TiO 3− x SrTiO3
(NBT-ST) lead-free relaxor ferroelectric ceramics was determined by indirect measurements …
(NBT-ST) lead-free relaxor ferroelectric ceramics was determined by indirect measurements …
Direct and indirect measurements on electrocaloric effect: Recent developments and perspectives
It has been ten years since the discovery of the giant electrocaloric effect in ferroelectric
materials showed that it is possible to employ this effect for substantial cooling applications …
materials showed that it is possible to employ this effect for substantial cooling applications …
A Giant Electrocaloric Effect in Nanoscale Antiferroelectric and Ferroelectric Phases Coexisting in a Relaxor Pb0.8Ba0.2ZrO3 Thin Film at Room Temperature
B Peng, H Fan, Q Zhang - Advanced Functional Materials, 2013 - Wiley Online Library
Recently, large electrocaloric effects (ECE) in antiferroelectric sol‐gel PbZr0. 95Ti0. 05O3
thin films and in ferroelectric polymer P (VDF‐TrFE) 55/45 thin films were observed near the …
thin films and in ferroelectric polymer P (VDF‐TrFE) 55/45 thin films were observed near the …
[HTML][HTML] Giant room temperature electrocaloric effect in a layered hybrid perovskite ferroelectric: [(CH3)2CHCH2NH3]2PbCl4
Electrocaloric effect driven by electric fields displays great potential in realizing highly
efficient solid-state refrigeration. Nevertheless, most known electrocaloric materials exhibit …
efficient solid-state refrigeration. Nevertheless, most known electrocaloric materials exhibit …
Pyroelectric and electrocaloric materials
Both the pyroelectric and electrocaloric effects originate from the cross-coupling between
polarization and temperature in insulating dielectrics. Although both effects have been …
polarization and temperature in insulating dielectrics. Although both effects have been …
Abnormal electrocaloric effect of Na0. 5Bi0. 5TiO3–BaTiO3 lead-free ferroelectric ceramics above room temperature
We demonstrate the electrocaloric effect (ECE) of Na0. 5Bi0. 5TiO3–BaTiO3 (NBT–BT) lead-
free ferroelectric ceramics, which were fabricated by the solid-state reaction method. Based …
free ferroelectric ceramics, which were fabricated by the solid-state reaction method. Based …
Direct and indirect electrocaloric measurements on< 001>-PbMg1/3Nb2/3O3-30PbTiO3 single crystals
A direct electrocaloric effect (ECE) measurement system, based on a modified-differential
scanning calorimeter (DSC), allowing the acquisition of both thermal (ECE, heat capacity) …
scanning calorimeter (DSC), allowing the acquisition of both thermal (ECE, heat capacity) …
Lead-free Ba0. 8Ca0. 2 (ZrxTi1− x) O3 ceramics with large electrocaloric effect
The electrocaloric effect was investigated in lead-free Zr doped Ba 0.8 Ca 0.2 (Zr x Ti 1− x) O
3 (BCTZ) ceramics synthesized by a conventional sintering process. Room-temperature x …
3 (BCTZ) ceramics synthesized by a conventional sintering process. Room-temperature x …