APPLIED PHYSICS LETTERS

WANG L, XIE Z, JIANG SL, ZHANG Q, LUO Y

APPLIED PHYSICS LETTERS

SHEN JZ, XING HZ, WANG L, HU Z, ZHANG LB, WANG XY, CHEN ZQZ, YAO CY, JIANG MJ, FEI FC, CHEN G, HAN L, SONG FQ, CHEN XS