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相关概念视频

MOS Capacitor01:25

MOS Capacitor

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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...
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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
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MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

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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...
478
MOSFET01:16

MOSFET

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The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
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Updated: Sep 10, 2025

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
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中间层 工程铁电NAND闪电 克服下一代高密度存储系统的可靠性和稳定性瓶

Giuk Kim1, Sangho Lee1, Hyojun Choi1

  • 1Department of Electrical engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|August 23, 2025
PubMed
概括
此摘要是机器生成的。

具有工程门堆的铁电晶体管提高了3D NAND闪存的可靠性和稳定性. 这种进步提高了性能,并为下一代非易失性存储提供了更高的位密度.

关键词:
一个NAND闪光灯充电陷闪光灯铁电器记忆装置两极化

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科学领域:

  • 材料科学
  • 电气工程
  • 半导体物理

背景情况:

  • 铁电晶体管是下一代非挥发性内存的关键,因为它具有多层存储和低压操作.
  • 门注射型铁电晶体管为3D NAND闪存提供优势,但由于复杂的偏振切换和电荷捕获相互作用,可靠性受到阻碍.

研究的目的:

  • 通过设计门来解决铁电NAND的可靠性和稳定性问题.
  • 调节偏振动力学,改善偏振切换和电荷捕获机制的合.

主要方法:

  • 在HfZrOx矩阵中使用中间层的门工程.
  • 分析建模以了解门堆优化和设备物理.

主要成果:

  • 实现了高达11V的内存窗口,工作电压低于18V.
  • 经过10年以上的三级细胞保留,干扰免疫,和54%的门电压变化.
  • 降低了20%的程序电压, 实现了积极的垂直缩放和25%的更高位密度.

结论:

  • 工程门克服了铁电NAND的可靠性和稳定性瓶.
  • 铁电NAND是一个可扩展和节能的解决方案,用于先进的非易失性存储器.
  • 这项研究为优化未来内存应用的铁电门堆提供了见解.