Affiliation: | WU Haiming, ZHU Yangming YANG XiaominLU Zuhong WEI Yu(National Laboratory of Molecular and Biomolecular Electronics, Southeast University, Nanjing 210096, China)LUO Qi and SUN Zhengming(State Key Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China) |