1. Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, and State Key Laboratory for Chemo/Biosensing and Chemometrics, Hunan University, Changsha, 410082, China, Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing 100080, China, National Amorphous and Nanocrystalline Alloy Engineering Research Center, Central Iron and Steel Research Institute, XueYuan Nan Road No. 76, Beijing 100081, China, and Physics Department and the Institute of Nano Science and...