[MFM] Magnetic Force Microscopy Method
MFM is a measurement technique that uses a probe coated with a magnetic film to measure the leakage magnetic field occurring near the sample surface and obtain magnetic information.
- Qualitative information on the magnetic properties of the sample can be obtained. - Imaging of attraction and repulsion due to leakage magnetic fields is possible. - A signal of magnetic force proportional to the magnitude of the gradient of the leakage magnetic field can be obtained, but quantitative evaluation is not possible. - AFM images can also be obtained simultaneously.
basic information
For detailed data, please refer to the catalog.
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Applications/Examples of results
- High-density recording media: Transition areas and edges of hard disks, floppy disks, magneto-optical disks, magnetic tapes, etc. - Magnetic heads: Observation of gaps in thin-film heads, GMR, MR heads, MIG heads, etc., as well as permalloy, garnet, etc. - Observation of magnetic domains in soft materials - Observation of ferromagnetic materials such as rare earth magnets