Magnetically switched electric polarity of domain walls in iron garnet films A. P. Pyatakov, D. A. Sechin, A. S. Sergeev, A. V. Nikolaev, E. P. Nikolaeva, A. S. Logginov and A. K. Zvezdin EPL, 93 1 (2011) 17001 Published online: 12 January 2011 DOI: 10.1209/0295-5075/93/17001