TY - JOUR AU - Bateman, Fred AU - Li, Xinyu AU - Qian, Xiaoshi AU - Gu, Haiming AU - Chen, Xiangzhong AU - Lu, Sheng-Guo AU - Lin, Minren AU - Zhang, Qiming C2 - Nature Materials DA - 2012-09-12 LA - en PB - Nature Materials PY - 2012 TI - Giant electrocaloric effect in ferroelectric poly(vinylidenefluoride-trifluoroethylene) copolymers near a first order transition ER -