Affiliation: | 1.School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China; 2.Center of Super-Diamond and Advanced Films (COSDAF), Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, China; 3.School of Optoelectronic Information, State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China) |