1Research Center for Optoelectronic Materials and Devices, Guangxi Key laboratory for the Relativistic Astrophysics, School of Physical Science and Technology, Guangxi University, Nanning 530004, PR China
2Department of Physics, University of Agriculture Faisalabad, Faisalabad, 38000, Pakistan
3Nanotechnology Lab, Department of Physics, University of Gujrat, Gujrat, 50700, Pakistan
4Key Laboratory of Disaster Prevention and Structural Safety of China Ministry of Education, School of Civil Engineering and Architecture, Guangxi University, Nanning 530004, PR China
5School of Physical Sciences, University of the Punjab, Lahore 54000, Pakistan
6MOE Key Laboratory of New Processing Technology for Non-ferrous Metals and the Guangxi Key laboratory of Processing for Non-ferrous Metals and Featured Materials, Guangxi University, Nanning 530004, PR China