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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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Non-ohmic Devices00:51

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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.
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Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
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相关实验视频

Updated: Jan 15, 2026

In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
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基于多态转换的非挥发性内存设备中的相控,用于X点结构中可靠的数据读取.

Shunsuke Mori1, Shogo Hatayama2, Yuji Sutou1,3

  • 1Department of Materials Science, Graduate School of Engineering, Tohoku University, 6-6-11 Aoba-yama, Aoba-ku, Sendai, 980-8579, Japan. shunsuke.mori@edu.k.u-tokyo.ac.jp.

Nanoscale
|October 14, 2025
PubMed
概括
此摘要是机器生成的。

本研究探讨了用于相变记忆的 telluride (MnTe) 中的转移稳定的 wurtzite 类型 β' 阶段. 控制其电阻率和体积分数调整内存性能,对于先进的3D X 点架构至关重要.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 固态物理 固态物理
  • 纳米技术纳米技术

背景情况:

  • 电化物 (MnTe) 显示了可逆相变的相变换,用于相变换记忆.
  • 在MnTe中高度电阻的氏体类型β′相对于内存应用还没有得到充分的探索.

研究的目的:

  • 研究β′相电阻 (ρβ′) 和体积分数 (fβ′) 对MnTe内存性能的影响.
  • 根据β′到α相转换,评估MnTe记忆细胞的值特征.

主要方法:

  • 根据透模型,制造出具有可变电阻对比度 (ΔR) 的内存细胞.
  • 分析电流-电压 (I-V) 曲线以确定值电压 (Vth).

主要成果:

  • 一个透模型表明 ρβ′ ≈ 500 Ω cm.
  • 门电压 (Vth) 随着 ΔR 的增加而增加.
  • 通过控制fβ′和MnTe层厚度,系统调节值参数.

结论:

  • 值参数的调整性对于基于MnTe的相变存储器至关重要.
  • 结果为设计与3D X 点架构兼容的多态转换内存提供了洞察力.