1. Materials Science and Engineering Program Washington State University Pullman WA 99164 USA
2. Department of Physics Prince Sattam bin Abdulaziz University Alkharj 11942 Saudi Arabia
3. Chongqing Institute of Green and Intelligent Technology Chinese Academy of Sciences Chongqing 400714 China
4. Department of Physics and Astronomy Washington State University Pullman WA 99164 USA
5. Advanced Light Source Lawrence Berkeley National Laboratory Berkeley CA 94720 USA