PHYSICAL REVIEW B
LIN IT, LIU JM, SHI KY, TSENG PS, WU KH, LUO CW, LI LJ
NANO LETTERS
SHI YM, ZHOU W, LU AY, FANG WJ, LEE YH, HSU AL, KIM SM, KIM KK, YANG HY, LI LJ, IDROBO JC, KONG J