Shi Zhiwen, Yang Rong, Zhang Lianchang, Wang Yi, Liu Donghua, Shi Dongxia, Wang Enge, Zhang Guangyu
Nanoscale Physics and Device Lab, Institute of Physics, Chinese Academy of Sciences, Beijing, PR China.
Adv Mater. 2011 Jul 19;23(27):3061-5. doi: 10.1002/adma.201100633. Epub 2011 May 19.