TY - JOUR ID - 16762 TI - Electrocaloric Effect in Sodium Bismuth Titanate Based Ferroelectric Composites JO - Advanced Materials Letters JA - AML LA - en SN - 0976-3961 AU - Alupatla, Rajani Malathi AU - Kumar, G. S. AU - Prasad, G. AD - Department of Physics, University college for women , Koti, Hyderabad, India AD - Department of Physics, Osmania University, Hyderabad 500 007, India Y1 - 2021 PY - 2021 VL - 12 IS - 11 SP - 1 EP - 5 KW - NBT KW - ST KW - entropy change KW - electrocaloric effect DO - 10.5185/amlett.2021.111676 N2 - Mixed system of (1-x)Na0.5Bi0.5TiO3+(x)SrTiO3 (NBT-ST) where x=0.075, 0.125, 0.150, 0.200 ferroelectric ceramic materials are synthesized using modified pechini method. These optimized compositions are used for study of polarization versus electric field (P-E) loops. The ferroelectric response of the samples is investigated as a function of temperature. Remnant polarization of exhibited loops observed to decrease with increasing temperature. PE data is used to estimate the electrocaloric properties. Maximum entropy change, full width at half maximum, relative cooling power is obtained from theoretical calculations. UR - https://aml.iaamonline.org/article_16762.html L1 - https://aml.iaamonline.org/article_16762_ce2db16698575611d8ac9081e1b1e38a.pdf ER -