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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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用于形态控制软系统的可重塑磁粒子.

Sarah Schyck1, Nitin Rajendra Madam1, Laura Rossi1

  • 1Department of Chemical Engineering, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands. l.rossi@tudelft.nl.

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概括
此摘要是机器生成的。

研究人员使用简单的乳液蒸发方法开发了磁性聚合物微粒. 这些颗粒具有高度可塑性,允许重塑用于机器人和药物输送中的先进应用.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物化学 聚合物化学
  • 纳米技术 纳米技术

背景情况:

  • 球形聚合物颗粒广泛用于自组装和生物分离.
  • 将功能组件统一地纳入聚合物是具有挑战性的.

研究的目的:

  • 开发一种制造带磁荷载的聚合物微粒的方法.
  • 为了研究这些复合粒子的可塑性和重塑能力.

主要方法:

  • 乳液蒸发技术 乳液蒸发技术.
  • 制造带有磁荷的聚合物微粒.
  • 机械拉伸用于粒子重塑.

主要成果:

  • 实现了统一的带磁荷载的聚合物微粒.
  • 证明了特殊的粒子可性和重塑成圆体.
  • 在重塑后保持了磁性功能.

结论:

  • 乳液蒸发方法是一种可扩展和多用途的方法,用于创建功能性微粒.
  • 这些可塑性磁性微粒在软机器人,药物输送和磁性响应系统中具有潜力.