SCIENCE

HAO YF, BHARATHI MS, WANG L, LIU YY, CHEN H, NIE S, WANG XH, CHOU H, TAN C, FALLAHAZAD B, RAMANARAYAN H, MAGNUSON CW, TUTUC E, YAKOBSON BI, MCCARTY KF, ZHANG YW, KIM P, HONE J, COLOMBO L, RUOFF RS

PHYSICAL REVIEW B

SRIVASTAVA N, GAO Q, WIDOM M, FEENSTRA RM, NIE S, MCCARTY KF, VLASSIOUK IV