Large room-temperature electroresistance in dual-modulated ferroelectric tunnel barriers

Advanced Materials
Greta RadaelliJosep Fontcuberta

Abstract

Pt/BaTiO3/La0.7Sr0.3MnO3 tunnel junctions, at negative voltage bias, for two polarization directions are represented. It is demonstrated that reversing the polarization direction of a ferroelectric barrier in a tunnel junction leads to a change of junction conductance and capacitance, with concomitant variations on the barrier height and effective thickness, both contributing to produce larger electroresistance.

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Citations

Apr 29, 2016·Scientific Reports·Fanmao LiuJosep Fontcuberta
May 5, 2016·Nature Communications·B B TianJ H Chu
Jun 2, 2016·Advanced Materials·Qi Hang QinSebastiaan van Dijken
Oct 5, 2019·Advanced Materials·Zheng Wen, Di Wu
Feb 2, 2020·Nature Communications·V RoucoJavier E Villegas
Feb 20, 2021·Physical Review Letters·Jun DingEvgeny Y Tsymbal
May 1, 2021·Nanomaterials·Guoqiang SongXiaodong Tang
Dec 10, 2016·ACS Applied Materials & Interfaces·Yu BaiJian Zhong Cui
Sep 14, 2019·Nano Letters·Qiong YangVitaly Alexandrov

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