APPLIED PHYSICS LETTERS

CHEN YL, MA YJ, CHEN DD, WANG WQ, DING K, WU Q, FAN YL, YANG XJ, ZHONG ZY, XU F, JIANG ZM

PHYSICAL REVIEW X

MIAO ZQ, WU Q, LI X, HE Q, DING K, AN ZH, ZHANG YB, ZHOU L