Strain field in (Ga,Mn)As/GaAs periodic wires revealed by coherent X-ray diffraction A. A. Minkevich, E. Fohtung, T. Slobodskyy, M. Riotte, D. Grigoriev, T. Metzger, A. C. Irvine, V. Novák, V. Holý and T. Baumbach EPL, 94 6 (2011) 66001 Published online: 26 May 2011 DOI: 10.1209/0295-5075/94/66001