"Y. L. Chen,Chu J.-H.,J. G. Analytis,Z. K. Liu,K. Igarashi,H.-H. Kuo,X. L. Qi,S. K. Mo,R. G. Moore,D. H. Lu,M. Hashimoto,T. Sasagawa,S. C. Zhang,I. R. Fisher,Z. Hussain,Z.-X. Shen","Massive Dirac Fermion on the Surface of Magnetically Doped Topological Insulator",,"Science",," 329",," 659",2010,Sept.