Nature, Vol.476, No.7358, 114-114, 2011
A strong ferroelectric ferromagnet created by means of spin-lattice coupling (vol 466, pg 954, 2010)
Lee JH,
Fang L,
Vlahos E,
Ke XL,
Jung YW,
Kourkoutis LF,
Kim JW,
Ryan PJ,
Heeg T,
Roeckerath M,
Goian V,
Bernhagen M,
Uecker R,
Hammel PC,
Rabe KM,
Kamba S,
Schubert J,
Freeland JW,
Muller DA,
Fennie CJ,
Schiffer P,
Gopalan V,
Johnston-Halperin E,
Schlom DG