APPLIED PHYSICS LETTERS

DENG XQ, ZHANG ZH, TANG GP, FAN ZQ, QIU M, GUO C

APPLIED PHYSICS LETTERS

LIN SS, CHEN BG, PAN CT, HU S, TIAN P, TONG LM

APPLIED PHYSICS LETTERS

XIE C, LV P, NIE BA, JIE JS, ZHANG XW, WANG Z, JIANG P, HU ZZ, LUO LB, ZHU ZF, WANG L, WU CY

APPLIED PHYSICS LETTERS

LIU CS, ZENG Z