Magnetically switched electric polarity of domain walls in iron garnet filmsA. P. Pyatakov, D. A. Sechin, A. S. Sergeev, A. V. Nikolaev, E. P. Nikolaeva, A. S. Logginov and A. K. ZvezdinEPL, 93 1 (2011) 17001DOI: https://doi.org/10.1209/0295-5075/93/17001