Ioanna Demeridou is a Ph.D. candidate at the Department of Physics at the University of Crete, Greece. Her current research interests include two Dimensional Materials (2D), μ-Photoluminescence Spectroscopy (μ-PL), Raman Spectroscopy, Pulsed laser irradiation of the atomically thin lattice in a precursor gas atmosphere. Her research interests, also, lie in the area of Spin-Valley Polarization measurements in TMDs and the effect of carrier doping.She obtained her M.Sc. in master program “Microelectronics-Optoelectronics” in Physics from University of Crete, Greece in 2016.In 2014, she joined the “Ultrafast Laser Micro and Nano Processing” Group of the IESL, FORTH. She carried out her master thesis: “Photochemical Doping of mechanically exfoliated monolayer WS2”.She received her Bachelor degree in Physics from University of Crete, Greece in 2013.