Electric field control of domain wall nucleation and pinning in a metallic ferromagnet, Bernand-Mantel, A., Herrera Diez, L., Ranno, L., Pizzini, S., Vogel, J., Givord, D., Auffret, S., Boulle, O., Miron, I.M., Gaudin, G., Applied Physics Letters, 102, 122406 (2013)