[Lau, Woon-Ming; Tang, Zhen-Kun; Zhang, Yan-Ning; Liu, Li-Min] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.
[Zhang, Deng-Yu; Tang, Zhen-Kun] Hengyang Normal Univ, Dept Phys, Hengyang 421008, Peoples R China.
[Zhang, Deng-Yu; Tang, Zhen-Kun] Hengyang Normal Univ, Dept Elect, Hengyang 421008, Peoples R China.
[Lau, Woon-Ming; Zhang, Yan-Ning] Chengdu Green Energy & Green Mfg Technol R&D Ctr, Chengdu 610207, Sichuan, Peoples R China.