Infrared ellipsometry study of the confined electrons in a high-mobility γ-Al2O3/SrTiO3 heterostructureM. Yazdi-Rizi, P. Marsik, B. P. P. Mallett, A. Dubroka, D. V. Christensen, Y. Z. Chen, N. Pryds and C. BernhardEPL, 113 4 (2016) 47005DOI: https://doi.org/10.1209/0295-5075/113/47005
