MICRO NANO LETTERS

LIU WM, WANG XQ, WANG CM, CHEN GG, SUN WL, ZHENG CT

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, CULLEN 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