activity
20202025
most citedImpact of Interlayer and Ferroelectric Materials on Charge Trapping during Endurance Fatigue of FeFET with TiN/HfxZr1-xO2/interlayer/Si (MFIS) Gate Structure

61 citations · 149 across the 9 of their papers we have counts for

collaborators

10 papers

physics.app-ph2025

Investigation of the Physical Mechanism behind Retention Loss in FeFETs with MIFIFIS Gate Structure

Tao Hu, Zeqi Chen, Runhao Han +19

A Metal-Gate Blocking Layer (GBL)- Ferroelectric-Tunnel Dielectric Layer (TDL)-Ferroelectric -Channel Insulator (Ch.IL)-Si (MIFIFIS) structure is proposed to achieve a larger MW fo…

physics.app-ph2025

Unveiling Retention Loss Mechanism in FeFETs with Gate-side Interlayer by Decoupling Trapped Charges and Ferroelectric Polarization

Runhao Han, Tao Hu, Jia Yang +10

We propose a direct experimental extraction technique for trapped charges and quantitative energy band diagrams in the FeFETs with metal-insulator-ferroelectric-insulator-semicondu…

cond-mat.mtrl-sci2024

Effect of Top AlO Interlayer Thickness on Memory Window and Reliability of FeFETs With TiN/AlO/HfZrO/SiO/Si (MIFIS) Gate Structure

Tao Hu, Xinpei Jia, Runhao Han +17

We investigate the effect of top Al2O3 interlayer thickness on the memory window (MW) of Si channel ferroelectric field-effect transistors (Si-FeFETs) with TiN/AlO/Hf$_{0.5…

cond-mat.mtrl-sci2024

Impact of the Top SiO2 Interlayer Thickness on Memory Window of Si Channel FeFET with TiN/SiO2/Hf0.5Zr0.5O2/SiOx/Si (MIFIS) Gate Structure

Tao Hu, Xianzhou Shao, Mingkai Bai +13

We study the impact of top SiO2 interlayer thickness on the memory window (MW) of Si channel ferroelectric field-effect transistor (FeFET) with TiN/SiO2/Hf0.5Zr0.5O2/SiOx/Si (MIFIS…

physics.app-ph2024

Impact of Top SiO2 interlayer Thickness on Memory Window of Si Channel FeFET with TiN/SiO2/Hf0.5Zr0.5O2/SiOx/Si (MIFIS) Gate Structure

Tao Hu, Xianzhou Shao, Mingkai Bai +13

We study the impact of top SiO2 interlayer thickness on memory window of Si channel FeFET with TiN/SiO2/Hf0.5Zr0.5O2/SiOx/Si (MIFIS) gate structure. The memory window increases wit…

cond-mat.mtrl-sci2023★ 1 cited

Enlargement of Memory Window of Si Channel FeFET by Inserting Al2O3 Interlayer on Ferroelectric Hf0.5Zr0.5O2

Tao Hu, Xiaoqing Sun, Mingkai Bai +12

In this work, we demonstrate the enlargement of the memory window of Si channel FeFET with ferroelectric Hf0.5Zr0.5O2 by gate-side dielectric interlayer engineering. By inserting a…

cond-mat.mtrl-sci2022★ 24 cited

First-principles study of oxygen vacancy defects in orthorhombic HfZrO/SiO/Si gate stack

Junshuai Chai, Hao Xu, Jinjuan Xiang +9

The gate defect of the ferroelectric HfO-based Si field-effect transistor (Si FeFET) plays a dominant role in its reliability issue. The first-principles calculations are an ef…

physics.app-ph2021★ 61 cited

Impact of Interlayer and Ferroelectric Materials on Charge Trapping during Endurance Fatigue of FeFET with TiN/HfxZr1-xO2/interlayer/Si (MFIS) Gate Structure

Fengbin Tian, Shujing Zhao, Hao Xu +9

We study the impact of different interlayers and ferroelectric materials on charge trapping during the endurance fatigue of Si FeFET with TiN/HfxZr1-xO2/interlayer/Si (MFIS) gate s…

physics.app-ph2021★ 59 cited

Experimental Extraction and Simulation of Charge Trapping during Endurance of FeFET with TiN/HfZrO/SiO2/Si (MFIS) Gate Structure

Shujing Zhao, Fengbin Tian, Hao Xu +8

We investigate the charge trapping during endurance fatigue of FeFET with TiN/Hf0.5Zr0.5O2/SiO2/Si (MFIS) gate structure. We propose a method of experimentally extracting the numbe…

physics.app-ph2020★ 4 cited

Thermodynamic driving force of transient negative capacitance of ferroelectric capacitors

Yuanyuan Zhang, Xiaoqing Sun, Junshuai Chai +6

This paper investigates the thermodynamic driving force of transient negative capacitance (NC) in the series circuit of the resistor and ferroelectric capacitor (R-FEC). We find th…