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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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探索经济制造的ZnO设备对物理非克隆功能的固有变性,以实现安全身份验证.

Savvas Ermeidis1, Dimitrios Tassis1, George P Papageorgiou2

  • 1Department of Condensed Matter and Materials Physics, School of Physics, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece.

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概括

化学合成的氧化 (ZnO) 纳米结构为物联网和工业4.0.0中的安全认证提供了可扩展的解决方案. 这些新的物理不可克隆功能 (PUF) 提供了比商业替代品更高的安全性,更低的成本和更大的可持续性.

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科学领域:

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

背景情况:

  • 在物联网 (IoT) 和工业4.0中,对安全身份验证的需求日益增加,需要先进的解决方案.
  • 传统的安全方法在可扩展性,成本和环境影响方面面临挑战.

研究的目的:

  • 开发和表征化学合成的 ZnO 纳米结构的同质连接作为物理非可克隆函数 (PUF).
  • 为了利用本质材料的变性来获得强大而独特的设备指纹.
  • 建立一个可持续且具有成本效益的安全数字身份平台.

主要方法:

  • -化 ZnO 纳米结构的热水合成.
  • 系统地识别和分析PUF应用的电气参数.
  • 实施多层次量子化以提高精度和.
  • 严格的参数优化,重点关注可变性,稳定性和相互相关性.

主要成果:

  • 与商业二极管相比,ZnO纳米结构的同质连接显示出更高的可变性,稳定性和可重复性.
  • 每个设备提取多个电气参数 (8-10),提供比单位输出更丰富的多样性.
  • 证明了挑战参数的正常分布,支持新型身份验证方法.
  • 通过多层次量化实现了更高的精度和.

结论:

  • 化学合成的 ZnO 纳米结构的同质连接是PUFs的一个强大,可扩展和环保的平台.
  • 这些设备为数字身份系统提供了一个有希望的低成本,高安全的解决方案.
  • 开发的方法为现有的身份验证技术提供了一个动态和未来的替代方案.