Jantsch, W.Sandersfeld, N.Schäffler, F.Többen, D.Wilamowski, Z.2004-12-032004-12-0320012001http://hdl.handle.net/2003/50110.17877/DE290R-10282enThe American Physical SocietyPhysical Review Letters530Screening Breakdown on the Route toward the Metal-Insulator Transition in Modulation Doped Si/SiGe Quantum Wells10.1103/PhysRevLett.87.026401article (journal)