magnetic force microscopy


Also found in: Acronyms.

magnetic force microscopy

[mag¦ned·ik ¦fȯrs mī′krä·skə·pē]
(engineering)
The use of an atomic force microscope to measure the gradient of a magnetic field acting on a tip made of a magnetic material, by monitoring the shift of the natural frequency of the cantilever due to the magnetic force as the tip is scanned over the sample.
References in periodicals archive ?
Magnetic Force Microscopy. Due to higher roughness of the ribbon wheel sides (see Table 1) only the air sides of BL-FF (FeSiB side) and BL-FC (FeNbCuSiB side) samples have been investigated by AFM/MFM.
De Lozanne, "Application of magnetic force microscopy in nanomaterials characterization," Microscopy Research and Technique, vol.
Shigemoto, "Magnetic force microscopy investigation of the domain structure of nanocomposite [Nd.sub.2][Fe.sub.14]B/[Fe.sub.3]B magnets," Acta Materialia, vol.
Kasiraj, "Magnetic force microscopy of thin Permalloy films," Applied Physics Letters, vol.
Heydon et al., "Magnetic force microscopy of soft magnetic materials," Journal of Magnetism and Magnetic Materials, vol.
Applications include magnetic force microscopy (MFM), conductance and other situations where the sample depends on the applied field.
Industrial-imaging applications include evaluating microcracks in silicon, determining the 3-D fields around magnetic recording heads, and characterizing tip fields used in magnetic force microscopy. With greater magnetic-head miniaturization and higher recording densities, ET has become an important tool for designing magnetic heads and recording media.
Researchers also measure the mechanical properties of materials, such as surface hardness and adhesion, and can use their AFM for scanning capacitance microscopy, magnetic force microscopy, thermal measurements, or electric force microscopy.
In recent years, magnetic force microscopy (MFM) has moved from a "research curiosity" to a "valuable diagnostic tool" in the storage media and thin-film industries, with solid prospects in numerous fields of research.