Abstract
This paper presents a method for differential magnetic force microscope imaging based on a two-pass scanning procedure to extract differential magnetic forces and eliminate or significantly reduce background forces with reversed tip magnetization. In the work, the difference of two scanned images with reversed tip magnetization was used to express the local magnetic forces. The magnetic sample was first scanned with a low lift distance between the MFM tip and the sample surface, and the magnetization direction of the probe was then changed after the first scan to perform the second scan. The differential magnetic force image was obtained through the subtraction of the two images from the two scans. The theoretical and experimental results have shown that the proposed method for differential magnetic force microscope imaging is able to reduce the effect of background or environment interference forces, and offers an improved image contrast and signal to noise ratio (SNR). SCANNING 37:112-115, 2015.Citation
Wang Y, Wang Z, Liu J, Hou L (2015) 'Differential magnetic force microscope imaging', Scanning, 37 (2), pp.112-115.Publisher
John Wiley and Sons Inc.Journal
ScanningAdditional Links
https://onlinelibrary.wiley.com/doi/full/10.1002/sca.21186Type
ArticleLanguage
enISSN
0161-0457ae974a485f413a2113503eed53cd6c53
10.1002/sca.21186