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Updated: May 6, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
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使用磁域壁宽度测量与倾斜扫描平均 DPC STEM 的局部磁性特性的定量评估

Yoshiki O Murakami1, Takehito Seki2, Koudai Tabata1

  • 1Institute of Engineering Innovation, School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan.

Ultramicroscopy
|March 26, 2025
PubMed
概括

研究人员精确地测量了纳米磁域壁宽度在Nd-Fe-B磁铁使用差相对比扫描传输电子显微镜 (DPC STEM). 这种技术将微观结构与磁性联系起来,使得更好的永久磁铁开发成为可能.

关键词:
在 DPC STEM 中,我们可以使用交换硬度 交换的硬度磁域墙壁中的磁域是磁性晶体的异型性.Nd-Fe-B 磁铁的使用情况

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相关概念视频

Potential Due to a Magnetized Object01:24

Potential Due to a Magnetized Object

Magnetic dipoles in magnetic materials are aligned when placed under an external magnetic field. For paramagnets and ferromagnets, dipole alignment occurs in the direction of the magnetic field. However, the dipoles align opposite to the field in the case of diamagnets. This state of magnetic polarization due to the external field is called magnetization. Magnetization is defined as the dipole moment per unit volume. It plays a similar role to polarization in electrostatics.
The vector...
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