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相关概念视频

Ferromagnetism01:31

Ferromagnetism

2.4K
Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
2.4K
MOS Capacitor01:25

MOS Capacitor

808
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...
808

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相关实验视频

Updated: Jul 11, 2025

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
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A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

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通过单分子多铁体实现终极记忆

Yali Yang1,2,3, Liangliang Hong2,3, Laurent Bellaiche4

  • 1School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China.

Journal of the American Chemical Society
|November 10, 2023
PubMed
概括
此摘要是机器生成的。

研究人员提出了一个新的单分子多铁子模型来存储数据. 这一突破使电写和磁读成为可能, 铺平了先进的记忆装置的道路.

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Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
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In Situ Transmission Electron Microscopy with Biasing and Fabrication of Asymmetric Crossbars Based on Mixed-Phased a-VOx
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Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
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科学领域:

  • 材料科学
  • 凝聚物质物理学
  • 纳米技术

背景情况:

  • 数据爆炸需要高密度存储解决方案.
  • 单分子磁铁和铁电显示出数据存储的前景.
  • 单分子多铁元素为数据存储提供了结合的电磁性质,但很少被报道.

研究的目的:

  • 提出单分子多铁的新型模型.
  • 调查实现这些多重铁路的条件.
  • 用一个现实的例子来证明所提出的模型的可行性.

主要方法:

  • 哈密尔顿模型的构造.
  • 旋转晶格动力学模拟.
  • 基本原则的计算.

主要成果:

  • 提出了一种新的单分子多铁体模型,具有并行,可旋转的电偶极和磁矩.
  • 确定了这些多铁元素的出现条件,包括单离子异性离子和电场.
  • 构建了一个现实的Co ((NH3) 4N@SWCNT示例,并进行了数值确认.

结论:

  • 提出的模型为发现单分子多铁素提供了新的途径.
  • 这项研究为设计终极存储器的多功能材料提供了指导方针.
  • 这些发现有助于开发先进的数据存储技术.