Perpendicular switching of a single ferromagnetic layer induced by in-plane current injection, Miron, I.M., Garello, K., Gaudin, G., Zermatten, P.-J., Costache, M.V., Auffret, S., Bandiera, S., Rodmacq, B., Schuhl, A., Gambardella, P., Nature, 476, 189 (2011)