Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Audrey C. Parker; Olivia O. Maryon; Mojtaba T. Kaffash; M. Benjamin Jungfleisch; Paul  H. Davis

doi:10.3791/64180

JoVE Journal
Engineering
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JoVE Journal Engineering

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

优化磁力显微镜分辨率和灵敏度，以可视化纳米级磁畴

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07:42 min

July 20, 2022

DOI: 10.3791/64180-v

Audrey C. Parker*¹, Olivia O. Maryon*¹, Mojtaba T. Kaffash², M. Benjamin Jungfleisch², Paul H. Davis^1,3

¹Micron School of Materials Science & Engineering,Boise State University, ²Department of Physics and Astronomy,University of Delaware, ³Center for Advanced Energy Studies

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磁力显微镜（MFM）采用垂直磁化原子力显微镜探头以纳米级分辨率测量样品形貌和局部磁场强度。优化MFM空间分辨率和灵敏度需要在降低提升高度与增加驱动（振荡）振幅之间取得平衡，并且受益于在惰性气氛手套箱中操作。

磁力显微镜（MFM）采用垂直磁化原子力显微镜探头以纳米级分辨率测量样品形貌和局部磁场强度。通过平衡降低的提升高度与增加的驱动或振荡幅度，可以优化MFM空间分辨率和灵敏度。人造自旋冰的自旋波计算应用依赖于纳米元素磁化纹理的知识，因为它们决定了磁振子响应。

高分辨率MFM能够识别冰冷的全局磁化状态。演示该程序的将是Olivia Maryon，博伊西州立大学材料科学与工程博士生，我实验室的前本科AFM研究员。首先，打开 AFM 控制软件，然后在电磁提升模式实验类别和组下选择 MFM 工作区。

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