1. Department
of Chemistry, National Taiwan Normal University, 162, Heping East Rd., Section 1, 106 Taipei, Taiwan
2. Department
of Physics, Tamkang University, 151, Yingzhuan Rd., Tamsui District, 25137 New Taipei
City, Taiwan
3. Institute
of Electronics Engineering, National Tsing Hua University, 101,
Kuang-Fu Rd., Section 2, 300 Hsinchu, Taiwan