TY - JOUR A1 - Förster, Arnold A1 - Schäpers, T. A1 - Müller, F. T1 - Control of ballistic electrons in (AlGa)As/GaAs heterostructures by means of superconducting niobium gate structures / T. Schäpers ; F. Müller ; A. Förster ... T2 - Surface Science. 305 (1994), H. 1-3 Y1 - 1994 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/2728 SN - 0039-6028 N1 - ISSN der E-Ausg.: 0039-6028 SP - 460 EP - 464 ER -