1. Department Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, Department of Physics, Massachusetts Institute of Technology. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, Institute of Carbon Science and Technology, Shinshu University 4-17-1 Wakasato, Nagano-shi 380-8553, Japan, Faculty of...