Ferroelectric Tunnel Junctions Enhanced by a Polar Oxide Barrier Layer Yang, Qiong ; Tao, Lingling ; Zhang, Yuke ; Li, Ming ; Jiang, Zhen ; Tsymbal, Evgeny Y. ; Alexandrov, Vitaly Abstract Publication: Nano Letters Pub Date: October 2019 DOI: 10.1021/acs.nanolett.9b03056 Bibcode: 2019NanoL..19.7385Y