Affiliation: | (1) Semiconductor Physics Institute, A. Goštauto 11, 01108 Vilnius, LT, Lithuania;(2) Institute for Physics of Microstructures, Nyzhny Novgorod, GSP-105 603950, Russia;(3) CEM2-Centre d’Electronique et de Micro-optoélectronique de Montpellier (CNRS UMR 5507), Université Montpellier II, 34095 Montpellier Cedex 5, France;(4) INFM – National Nanotechnology Laboratory, Dipartimento di Ingegneria dell’ Innovazione, Università di Lecce, Via Arnesano s/n, 73100 Lecce, Italy |