| Authors: |
Liao YS; Graduate School of Advanced Technology, National Taiwan University, Taipei 106319, Taiwan., Wang RY; Department of Physics, National Central University, Taoyuan 32001, Taiwan., Tsai HW; Department of Physics, National Central University, Taoyuan 32001, Taiwan., Chen GH; Department of Electrophysics, National Yang Ming Chiao Tung University, Hsinchu 300039, Taiwan., Chan HH; Department of Physics, National Central University, Taoyuan 32001, Taiwan., Hsieh HT; Department of Physics, National Central University, Taoyuan 32001, Taiwan., Cheng CM; National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan., Lin CL; Department of Electrophysics, National Yang Ming Chiao Tung University, Hsinchu 300039, Taiwan., Lin MK; Department of Physics, National Central University, Taoyuan 32001, Taiwan., Chou JP; Graduate School of Advanced Technology, National Taiwan University, Taipei 106319, Taiwan. |