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相关概念视频

Non-ohmic Devices00:51

Non-ohmic Devices

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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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同时超快和强大的二维闪存设备,基于相位工程边缘接触器.

Jun Yu1, Han Wang1, Fuwei Zhuge2

  • 1State Key Laboratory of Materials Processing and Die and Mould Technology, School of Material Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.

Nature communications
|September 13, 2023
PubMed
概括
此摘要是机器生成的。

研究人员开发了超快速和强大的二维范德瓦尔斯异构结构闪存. 金属1T-LixMoS2边缘接触器克服了传统闪存的速度-保留-耐久性限制.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 电气工程 电气工程

背景情况:

  • 闪存是一个普遍的非易失性存储器 (NVM),但在速度,保留和耐久性方面面临限制.
  • 当前的闪存技术在微秒到毫秒范围内显示程序/删除速度,阻碍了高速数据应用.

研究的目的:

  • 开发一个具有增强速度和可靠性的二维 (2D) 范德瓦尔斯异构闪存.
  • 为了研究金属边缘接触对记忆性能的影响.

主要方法:

  • 使用2H-MoS2作为半导体通道制造一个2D闪存设备.
  • 集成金属1T-LixMoS2作为边缘接触.
  • 记忆操作速度,耐久性和数据保留的特征.

主要成果:

  • 实现了超快速的内存操作,速度在10-100纳秒之间.
  • 证明了强大的性能,耐力超过106循环和保留超过10年.
  • 观察到边缘接触处可调节的Schottky屏障,促进有效的充电注入和道.

结论:

  • 使用金属1T-LixMoS2边缘接触器的接触工程显著提高了2D闪存性能.
  • 这种方法克服了传统非易失性内存中固有的速度-保留-耐久性权衡.
  • 这些发现为使用二维材料的高速和可靠的数据存储解决方案铺平了道路.