Multicaloric effects in PbZr0.2Ti0.8O3 thin films with 90° domain structure F. Wang, B. Li, Y. Ou, L. F. Liu, L. Tian and W. Wang EPL, 118 1 (2017) 17005 Published online: 12 June 2017 DOI: 10.1209/0295-5075/118/17005