TY - JOUR A1 - Ulyanenkov, A. A1 - Baumbach, Tilo A1 - Darowski, Nora A1 - Pietsch, Ullrich A1 - Wang, K. H. A1 - Forchel, Alfred A1 - Wiebach, T. T1 - Investigation of the in-plane strain distribution in free-standing GaAs/InGaAs/GaAs single quantum well surface nanostructures on GaAs[001] Y1 - 1999 ER -