NANO LETTERS

LIU MX, LI YC, CHEN PC, SUN JY, MA DL, LI QC, GAO T, GAO YB, CHENG ZH, QIU XH, FANG Y, ZHANG YF, LIU ZF

IEEE ELECTRON DEVICE LETTERS

LI C, YANG XX, DING SY, DAI Q, QIU XH, LEI W, ZHANG XB, WANG BP