Authors: Parisa Zareapour; Alex Hayat; Shu Yang F Zhao; Michael Kreshchuk; Achint Jain; Daniel C Kwok; Nara Lee; Sang-Wook Cheong; Zhijun Xu; Alina Yang; G D Gu; Shuang Jia; Robert J Cava; Kenneth S Burch Journal: Nat Commun Date: 2012 Impact factor: 14.919