**Author details**

Rabea Q. Nafil1 \* and Munaf S. Majeed<sup>2</sup>

1 Applied Physics Branch, Applied Sciences Department, University of Technology, Baghdad, Iraq

2 AL-Nahrain Nanorenewable Energy Research Center, AL-Nahrain University, Baghdad, Iraq

\*Address all correspondence to: 100068@uotechnology.edu.iq

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
