Multistates and Ultralow-Power Ferroelectric Tunnel Junction by ...
2024年12月5日 · In this article, we have designed an optimized ferroelectric tunnel junction (FTJ) device structure that inserts 3-nm Al2O3 between Hf0.5Zr0.5O2 (HZO) films. The Al2O3 …
Modeling Multi-states in Ferroelectric Tunnel Junction
Hence, in this paper, we fabricated and measured multi-state FTJ with on/off ratio > 100. Then, we built a device model, showing the relation between HZO polarization and multi-state …
Modeling and Design of FTJs as Multi-Level Low Energy …
2021年10月14日 · An in–house modeling framework for Ferroelectric Tunnelling Junctions (FTJ) is here presented in details. After a precise calibration again experiments, the model is …
Dynamics of Multi-Domains in Ferroelectric Tunnel Junction
2022年2月10日 · Recent studies based on phase-field simulations have demonstrated that domain nucleation/motion substantially alters the electrostatics of a ferroelectric material. …
High-precision and linear weight updates by subnanosecond …
2022年2月4日 · Here, a high-performance synaptic device is designed and established based on a Ag/PbZr 0.52 Ti 0.48 O 3 (PZT, (111)-oriented)/Nb:SrTiO 3 ferroelectric tunnel junction …
Exploring Multi-Bit Logic In-Memory with Memristive HfO
2023年12月5日 · This study provides a profound insight into the domain switching mechanism and confirms the potential for parallel multi-bit LiM operations in FTJ devices by introducing a …
Giant tunnelling electroresistance in atomic-scale ... - Nature
2024年1月24日 · In this article, we demonstrate metal/ferroelectric/semiconductor FTJs based on Sm-substituted bismuth oxide (BSO), which can achieve a TER over 7 × 10 5 with a 1-nm …
TCAD modeling of neuromorphic systems based on ferroelectric …
2020年6月29日 · A new compact model for HfO2-based ferroelectric tunnel junction (FTJ) memristors is constructed based on detailed physical modeling using calibrated TCAD …
A flexible BiFeO3-based ferroelectric tunnel junction memristor for ...
2022年1月1日 · The obtained flexible FTJ memristor exhibits stable voltage-tuned multi-states, and the resistive switchings are robust after 10 3 bending cycles. The capability of the FTJ as …
Ferroelectric tunnel junctions with high tunnelling ... - Nature
2020年8月5日 · One of these new NVM technologies is a ferroelectric tunnel junction (FTJ): a two-terminal device where a thin ferroelectric layer is sandwiched between metals or...
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