M. A. Khan

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan
High Tech Centralized Instrumentation Laboratory, UAJK, Muzaffarabad 13100, Pakistan

Mahboob Ullah

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan

Tariq Iqbal

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan

Hasan Mahmood

Department of Physics, State University of New York at Albany, Albany, NY 12222, USA
Department of Physics, COMSATS Institute of Information Technology, Defence Road Lahore

Ayaz A. Khan

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan

Muhammad Shafique

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan

A. Majid

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan

Azhar Ahmed

Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Pakistan

Nawazish A. Khan

Department of Physics, Quaid-i-Azam University Islamabad, 45320, Pakistan