1. Physics department, College of Science, Basrah University, Basrah 61004, Iraq
2. Nanotechnology and Catalysis Research Center (NANOCAT), University of Malaya, Kuala Lumpur 50603, Malaysia
3. Department of Instrumentation and Control Engineering, Faculty of Mechanical Engineering, CTU in Prague, Technicka 4, Prague 6 166 07, Czech Republic
4. Department of Chemistry, College of Science, Baghdad University, Jaderiya, Baghdad 10071, Iraq
5. Department of Experimental Physics and Information-measuring Technology, Lesya Ukrainka Eastern European National University, Voli Avenue 13, Lutsk 43025, Ukraine
6. Institute of Optoelectronics and Measuring Systems, Czestochowa University of Technology, Armii Krajowej 17, Czestotchowa 42-201, Poland