相关实验视频

Updated: Jan 11, 2026

Spray-Coated Melanin/PEDOT:PSS Films for Sustainable Organic Electrochemical Transistors

Spray-Coated Melanin/PEDOT:PSS Films for Sustainable Organic Electrochemical Transistors

Published on: October 28, 2025

编程脉冲宽度取决于低功耗突触薄膜晶体管的电荷保留特性

Danyoung Cha¹, Jeongseok Pi², Sungsik Lee³

¹The Semiconductor-Specialized University, Pusan National University, Busan, 46241, Republic of Korea. wdwn9277@pusan.ac.kr.

Scientific reports

|November 11, 2025

概括

本研究探讨了用于记忆应用的氧化物薄膜晶体管 (Hf-ZnO TFTs). 研究人员在这些突触器件中发现了编程速度和保留时间之间的权衡.

科学领域:

材料科学材料科学材料科学
电气工程电气工程
神经科学是一个神经科学.

背景情况:

薄膜晶体管 (TFT) 对于电子设备至关重要.
氧化 (Hf-ZnO) 提供了新的电子应用的潜力.
突触晶体管模仿生物突触用于神经形态计算.

研究的目的:

为了研究Hf-ZnO TFTs的编程脉冲宽度依赖的突触特征.
探索Hf-ZnO TFT用于神经形态应用的记忆能力.
分析编程速度和保留时间之间的权衡.

主要方法:

使用低温原子层沉积制造Hf-ZnO TFT.
监测TFT的静态和脉冲特征.
在门氧化物 (Al2O3,HfOx) 中利用陷状态来捕捉/解锁电子.
用拉伸指数函数进行数学建模,用于保留分析.
使用设备级数据模拟模拟模拟加速器的横杆模拟.

主要成果:

减少编程脉冲宽度导致了更慢的编程速度.
通过数学建模证实了更长的保留时间.
建立了编程速度和保留时间之间的权衡关系.
监测了突触功能,如体重更新,保持,偶合脉冲抑制/促进以及体重线性.
交叉杆模拟证明了设备的性能,包括分类准确性.

结论:

对于神经形态计算,Hf-ZnO TFT 显示出有前途的突触特征.
该研究突出了影响内存应用的设备设计的关键权衡.
这些发现有助于开发先进的模拟加速器和人工智能硬件.

关键词:

无形氧化物半导体半导体低功耗低功耗低功耗保持特征保持特征突触装置是一种突触装置.重量更新的特征重量更新的特征

更多相关视频

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

相关概念视频

Characteristics of MOSFET

Characteristics of MOSFET

Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...

Biasing of FET

Biasing of FET

Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...

MOSFET: Depletion Mode

MOSFET: Depletion Mode

Depletion-mode MOSFETs represent a unique subset of MOSFET technology, functioning fundamentally differently from their enhancement-mode counterparts. Unlike enhancement MOSFETs, which require a positive gate-source voltage (Vgs) to turn on, depletion-mode MOSFETs are inherently conductive and "normally on" devices.
The primary characteristic of depletion-mode MOSFETs is their ability to conduct current between the drain and source terminals without gate bias. This inherent conductivity...

MOS Capacitor

MOS Capacitor

A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...

Field Effect Transistor

Field Effect Transistor

Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...

MOSFET: Enhancement Mode

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...