NATURE COMMUNICATIONS

ZHAO YL, FENG JG, LIU X, WANG FC, WANG LF, SHI CW, HUANG L, FENG X, CHEN XY, XU L, YAN MY, ZHANG QJ, BAI XD, WU HA, MAI LQ

APPLIED PHYSICS LETTERS

LIU XY, WANG FC, WU HA, WANG WQ