Ferroelectric devices for content-addressable memory

M Tarkov, F Tikhonenko, V Popov, V Antonov… - Nanomaterials, 2022 - mdpi.com
In-memory computing is an attractive solution for reducing power consumption and memory
access latency cost by performing certain computations directly in memory without reading …

Disturb-free operations of multilevel cell ferroelectric FETs for NAND applications

C Jin, J Xu, J Gu, J Zhao, X Jia, J Chen… - … on Electron Devices, 2023 - ieeexplore.ieee.org
We have experimentally investigated disturb-free operations of multilevel cell (MLC)
ferroelectric field-effect transistors (FeFETs) in a NAND array. The fabricated FeFET cells are …

A multi-bit CAM design with ultra-high density and energy efficiency based on FeFET NAND

C Jin, J Xu, J Zhao, J Gu, J Chen, H Liu… - IEEE Electron …, 2023 - ieeexplore.ieee.org
We have proposed and experimentally demonstrated a novel multi-bit content addressable
memory (CAM) cell based on two series connected ferroelectric FETs (FeFETs). Thanks to …

Insights into device and material origins and physical mechanisms behind cross temperature in 3D NAND

M Pesic, B Beltrando, T Rollo… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Continuation of the scaling and increase of the storage density of the 3D NAND requires
minimization and control of variability sources. Among the various reliability challenges …

Highly Robust All-Oxide Transistors Toward Vertical Logic and Memory

Z Lin, Z Zhang, C Niu, H Dou, K Xu… - … on Electron Devices, 2024 - ieeexplore.ieee.org
In this work, we report atomic-layer-deposited (ALD) based all-oxide transistors toward
vertically stacked high-density logic and memory for 3-D integration. This structure utilizes …

Revealing the role of Σ3 {112} Si grain boundary local structures in impurity segregation

R Maji, E Luppi, E Degoli - Journal of Applied Physics, 2022 - pubs.aip.org
The interfacial structure of a silicon grain boundary (Si-GB) plays a decisive role on its
chemical functionalization and has implications in diverse physical–chemical properties of …

Low-PBTS defect-engineered high-mobility metal-oxide BEOL transistors

B Bcltrando, B Coppolelli, JB Kim… - 2024 IEEE …, 2024 - ieeexplore.ieee.org
In this work we develop an ALD grown IGZO channel material and integrate it into a double-
gated transistor test vehicle. We analyze physical mechanism and device reliability …

Blocking Oxide Material Engineering to Improve Retention Loss in 3D NAND: a Modeling Process Optimization Study

T Rollo, H Lo, L Larcher, C Olsen… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
In this work we develop a retention model of 3D NAND and:(1) show importance of the
blocking oxide quality improvement (defect engineering) and lateral migration suppression …

A Multiscale-Multiphysics simulation platform for technology virtualization: from process chamber modeling to device electrical prediction

L Larcher, F Nardi, V Milo, U Kelkar… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Acceleration is mandatory at both unit and process integration levels to save cost and
reduce time to market. In this scenario, modeling and simulation can offer unprecedented …