Uddin, Riaz, National Centre for Physics, Quaid-e-Azam University, Islamabad, Pakistan Ullah, Atta, Department of Chemical & Materials Engineering, PIEAS, P.O. Nilore, Islamabad, Pakistan. Ullah, Atta, Department of Chemical and Materials Engineering, PIEAS, P.O. Nilore, Islamabad, Pakistan Ullah, Farhan, COMSATS Institute of Information Technology, Sahiwal Ullah, Ihsan, Food Science Division, Nuclear Institute of Food and Agriculture (NIFA), Peshawar, Pakistan Ullah, Ihsan, Nuclear Institute of Food & Agriculture, Peshawar, Pakistan Ullah, Kifayat, International Islamic University, Islamabad Ullah, M. G., Department of Computer Science and IT, Islamia University, Bahawalpur, Pakistan Ullah, M. Obaid, University of Engineering and Technology, Taxila Ullah, Mati, Physics Division, Directorate of Science, PINSTECH, P.O. Nilore, Islamabad, Pakistan Ullah, Mati, Physics Division, Directorate of Science, PINSTECH, P.O. Nilore Islamabad, Pakistan Ullah, Mati, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, Pakistan Ullah, Mudaser, Department of Mechanical Engineering, UCET, Sargodha, Pakistan Ullah, Mudaser, Mechanical Engineering Department, University of Engineering and Technology, Taxila, Pakistan Ullah, Murad, Islamia College University, Peshawar, KPK Ullah, Murad, Islamia College University, Peshawar, KPK, (Pakistan) Ullah, Murad, Islamia College University Ullah, R., University of Technology, Nowshera Ullah, S., Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Pakistan Ullah, Sehat, Department of Computer Science & IT, University of Malakand,Chakdara, Dir, KPK, Pakistan Ullah, Shakir, PINSTECH, Nilore, Islamabad Ullah, Shakir, Physics Division, Directorate of Science, PINSTECH, P.O. Nilore, Islamabad, Pakistan Umair, M., Department of Electrical Engineering, University of Engineering and Technology, Taxila, Pakistan Umar, A. A., Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia Umar, M., COMSATS Institute of Information Technology, Abbottabad Umar, M., Bahria University, Karachi Campus Umar, M., Department of Chemical Engineering, University of Engineering and Technology, Lahore, Pakistan Umar, Muhammad Abdullah, Department of Physics, National Central University, Taoyuan City, 320 Taiwan, ROC Urooj, S. A., Department of Mathematical Sciences, Federal Urdu University of Arts, Science and Technology, Gulshan-e-Iqbal, Karachi, Pakistan Usman, M., Department of Mining Engineering Usman, M., Department of Electronics Engineering, University of Engineering and Technology, Taxila, Sub-Campus Chakwal, Pakistan (Pakistan) Usman, M., Visiting Faculty Member, Department of Electrical Engineering, Wah Engineering College, University of Wah, Wah Cantt, Pakistan Usman, M., Wah Engineering College, University of Wah, Wah Cantt., Pakistan Usman, M., Pakistan Institute of Engineering and Applied Sciences (PIEAS), P.O. Nilore, Islamabad, Pakistan