H.I. Lee, J.S. Park, Y.J. Kim, S.W. Heo, J.W. Hwang, S.M. Kim, K.Y. Kim, Y.S. Lee, J.W. Jung, H.B. Kim, K.J. Cho, M.M. Sung, B.H. Lee*, "High on-off switching device using a dynamic band alignment modulation in WOx/ZnO stack channel field-effect transistor ,” In preparation for publication (2019).