NANO LETTERS
JIANG YH, MAO JH, DUAN JX, LAI XY, WATANABE K, TANIGUCHI T, ANDREI EY
SMALL
LIU YW, LUO F, LIU SM, LIU SX, LAI XY, LI XH, LU Y, LI YG, HU CW, SHI Z, ZHENG ZP