Affiliation: | 1.Department of Physics, Bilkent University, Ankara, 06800, Turkey ;2.NANOTAM- Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey ;3.Department of Electrical and Electronics Engineering, Bilkent University, Ankara, 06800, Turkey ;4.Faculty of Physics, Adam Mickiewicz University, 61-614, Poznan, Poland ;5.UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey ; |