Yang Zhenyu, Wang Jingli, Liao Lei
Department of Physics and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University , Wuhan 430072, China.
ACS Nano. 2016 Feb 23;10(2):1714-5. doi: 10.1021/acsnano.5b07083. Epub 2016 Feb 4.