1. Department of Physics, Machine Manufacturing and Industrial Management FacultyGheorghe Asachi Technical University of Iaşi Iaşi Romania
2. Departament of Automatic Control and Applied Informatics, Faculty of Automatic Control and Computer EngineeringGheorghe Asachi Technical University of Iaşi Iaşi Romania
3. Department of Physical Chemistry of Polymers“Petru Poni” Institute of Macromolecular Chemistry Iaşi Romania
4. Faculty of PhysicsAlexandru Ioan Cuza University Iaşi Romania