quantum heterostructures at low fields Emre Sari, Sedat Nizamoglu, In-Hwan Lee, Jong-Hyeob Baek, and Hilmi Volkan Demir Department of Electrical and Electronics Engineering, Bilkent University, Ankara, TR-06800 Bilkent, Turkey Nanotechnology Research Center, Bilkent University, Ankara, TR-06800 Bilkent, Turkey Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, TR-068...