Is there an intrinsic limit to the charge-carrier-induced increase of the Curie temperature of EuO ?
Mairoser, T., A. Schmehl, A. Melville, T. Heeg, L. Canella, P. Böni, W. Zander, J. Schubert, D.E. Shai, E.J. Monkman, K.M. Shen, D.G. Schlom,
and J. Mannhart
Phys. Rev. Lett. 105, 257206 (2010)