Victor I. Mikla, PhD, is Chair of Physical & Mathematical Disciplines in the Department of Humanities & Natural Sciences at Uzhhgorod National University, Uzhhorod, Ukraine. Dr. Mikla specializes in photo-electronic materials and devices, and has published research articles widely on a broad range of inter-disciplinary topics including metastable states in amorphous chalcogenides, trap level spectroscopy, medical and non-medical imaging applications of amorphous semiconductors, xerographic spectroscopy, photo-induced & structural changes, and raman scattering.