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相关概念视频

Ferromagnetism01:31

Ferromagnetism

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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...
2.8K

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相关实验视频

Updated: May 6, 2026

A Method for Growing Bio-memristors from Slime Mold
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A Method for Growing Bio-memristors from Slime Mold

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高度可靠的磁性基于记忆的物理非克隆功能.

Jaimin Kang1, Donghyeon Han1, Kyungchul Lee2

  • 1Department of Material Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-road, Yuseong-gu, Daejeon 34141, Korea.

ACS nano
|May 8, 2024
PubMed
概括
此摘要是机器生成的。

研究人员使用磁随机存储器 (MRAM) 开发了新的安全设备,称为基于MRAM的物理不可克隆函数 (PUF). 这些MRAM-PUF显示出高可靠性和对攻击的弹性,为安全的计算应用铺平了道路.

关键词:
这就是MRAM-PUF.磁性随机访问存储器 磁性随机访问存储器磁道交叉点 磁道交叉点物理上的不可克隆的功能.可靠性的可靠性

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Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
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相关实验视频

Last Updated: May 6, 2026

A Method for Growing Bio-memristors from Slime Mold
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A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
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科学领域:

  • 材料科学与工程 材料科学与工程
  • 电气工程 电气工程
  • 计算机科学与工程 计算机科学与工程

背景情况:

  • 磁性随机访问存储器 (MRAM) 提供具有高耐久性和商业可行性的非易失性存储器.
  • MRAM应用正在扩展到新的计算范式,如内存计算和概率比特.
  • 物理非克隆功能 (PUF) 对于硬件安全至关重要,它利用了设备的独特特性.

研究的目的:

  • 开发基于MRAM的高度可靠的物理非克隆功能 (PUF).
  • 为了安全应用,利用纳米级垂直磁道连接 (MTJs).
  • 评估拟议的MRAM-PUF的性能和安全稳定性.

主要方法:

  • 制造纳米级垂直磁道连接 (MTJs).
  • 反铁磁合的参考层的磁化方向的故意随机化.
  • 严格测试挑战-响应对 (1584对,每位64位) 在广泛的温度范围内 (-40到+150°C).

主要成果:

  • 通过随机化MTJ参考层磁化,成功创建了一个基于MRAM的新型PUF.
  • 证明了MRAM-PUF的理想统一性和独特性.
  • 在扩展的温度范围内保持高性能,并证实对机器学习攻击的弹性.

结论:

  • 基于MRAM的PUF为硬件安全提供了高度可靠和安全的解决方案.
  • 经过证明的性能和弹性,加上MRAM的商业成熟度,促进了MRAM-PUF的实施.
  • 这项工作使下一代计算系统中的高级安全功能成为可能.