Determining the intrinsic electric and magnetoelectric response of thin films
E. Langenberg, I. Fina, J. Ventura, B. Noheda, M. Varela, and J. Fontcuberta
PHYSICAL REVIEW B 86, 085108 (2012)
Two metal-cation sublattices hold the clue for ferromagnetic and ferroelectric multiferroic behavior.