NANO LETTERS

LI Q, LIN HP, LV RT, TERRONES M, CHI LF, HOFER WA, PAN MH

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

LV RT, CHEN GG, LI Q, MCCREARY A, BOTELLOMENDEZ A, MOROZOV SV, LIANG LB, DECLERCK X, PEREALOPEZ N, CULLENI DA, FENG SM, ELIAS AL, CRUZSILVA R, FUJISAWA K, ENDO M, KANG FY, CHARLIER JC, MEUNIER V, PAN MH, HARUTYUNYAN AR, NOVOSELOV KS, TERRONES M