APPLIED PHYSICS LETTERS

CHEN X, LIU SY, LIU LC, LIU XQ, LIU XM, WANG L

APPLIED PHYSICS LETTERS

ZHAO PL, CHEN X

APPLIED PHYSICS LETTERS

SONG CL, WANG YL, JIANG YP, ZHANG Y, CHANG CZ, WANG LL, HE K, CHEN X, JIA JF, WANG YY, FANG Z, DAI X, XIE XC, QI XL, ZHANG SC, XUE QK, MA XC

APPLIED PHYSICS LETTERS

HE Y, ZHANG FM, CHEN X

APPLIED PHYSICS LETTERS

CHEN X, TAO JW

APPLIED PHYSICS LETTERS

ZHANG FM, HE Y, CHEN X