Performance Enhancement and Transient Current Response of Ferroelectric Tunnel Junction: A Theoretical Study

A comprehensive physical model is established to understand the device operation and optimization strategy of the ferroelectric tunnel junction (FTJ). This model is capable of simulating write (switching polarity), read [tunnel electroresistance (TER)], and ac transient operations with a good agreem...

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Veröffentlicht in:IEEE transactions on electron devices 2022-08, Vol.69 (8), p.4686-4692
Hauptverfasser: Huang, Hsin-Hui, Chu, Yueh-Hua, Wu, Tzu-Yun, Wu, Ming-Hung, Wang, I-Ting, Hou, Tuo-Hung
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container_issue 8
container_start_page 4686
container_title IEEE transactions on electron devices
container_volume 69
creator Huang, Hsin-Hui
Chu, Yueh-Hua
Wu, Tzu-Yun
Wu, Ming-Hung
Wang, I-Ting
Hou, Tuo-Hung
description A comprehensive physical model is established to understand the device operation and optimization strategy of the ferroelectric tunnel junction (FTJ). This model is capable of simulating write (switching polarity), read [tunnel electroresistance (TER)], and ac transient operations with a good agreement with experiments. The strategy of optimizing the thickness of the ferroelectric layer and nonpolar interfacial layer is discussed for enlarging TER ratio. We also discussed the possible misinterpretation of the measured TER ratio according to our model.
doi_str_mv 10.1109/TED.2022.3184654
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subjects Current measurement
Electric potential
Ferroelectric materials
Ferroelectric tunnel junctions (FTJ)
Ferroelectricity
Iron
modelling
Nonvolatile memory
Optimization
Switches
Thickness
Transient current
tunnel electroresistance (TER)
Tunnel junctions
Tunneling
Voltage
title Performance Enhancement and Transient Current Response of Ferroelectric Tunnel Junction: A Theoretical Study
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