supported by Basic Science Centre Program of NSFC(Grant No.51788104);the NSF of China(Grant No.51625202,and 51572141);the National Key Research and Development Program(Grant No.2017YFB0701603);the National Basic Research Program of China(Grant No.2015CB654603).
Through the modulation of the dipolar entropy under an applied electric field(E),a reversible temperature change(ΔT)could be achieved in a dielectric material,which is known as the electrocaloric(EC)effect.Among all ...