Wilde, M.A.; Rhode, M.; Heyn, C.; Heitmann, D.; Grundler, D.; Zeitler, U.; Schäffler, F.; Haug, Rolf J.
(College Park, MD : American Physical Society, 2005)
We present de Haas-van Alphen (dHvA) measurements on high-mobility two-dimensional electron systems formed in modulation-doped SiSiGe (100) quantum wells and demonstrate directly the manifestation of the valley splitting ...