[D-13-3] n-GaAs Back-Gated Double-Quantum-Well Structures with Full Density Control K. Muraki, N. Kumada, T. Saku, Y. Hirayama (1.NTT Basic Research Laboratories, 2.Department of Physics, Tohoku University) https://doi.org/10.7567/SSDM.1999.D-13-3