X-ray holographic imaging of magnetic order in meander domain structures Carlo Spezzani, Horia Popescu, Franck Fortuna, Renaud Delaunay, Marina Tortarolo, Nicolas Jaouen and Maurizio Sacchi EPJ Web of Conferences, 40 (2013) 01001 Published online: 14 January 2013 DOI: 10.1051/epjconf/20134001001