Smoothing and coherent structure formation in organic-organic heterostructure growth A. Hinderhofer, A. Gerlach, S. Kowarik, F. Zontone, J. Krug and F. Schreiber EPL, 91 5 (2010) 56002 Published online: 15 September 2010 DOI: 10.1209/0295-5075/91/56002