Zhang Wenyan, Xi Zhengping, Li Guangzhong, Wang Qiangbing, Tang Huiping, Liu Yong, Zhao Yong, Jiang Lei
State Key Laboratory of Porous Metal Material, Northwest Institute for Non-ferrous Metal Research, Xi'an 710016, PR China.
Small. 2009 Aug 3;5(15):1742-6. doi: 10.1002/smll.200900148.