| Authors: |
Wang YY; School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, Anhui 230009, P. R. China., Wang ZY; School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, Anhui 230009, P. R. China., Peng W; School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, Anhui 230009, P. R. China., Xu JY; School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, Anhui 230009, P. R. China., Chen SR; School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, Anhui 230009, P. R. China., Ye B; School of Automotive and Transport Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China., Wu CY; School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei, Anhui 230009, P. R. China. |