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Customized MFM probes with high lateral resolution.

Óscar Iglesias-Freire1, Miriam Jaafar2, Eider Berganza2

  • 1Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Calle Sor Juana Inés de la Cruz 3, 28049, Madrid, Spain; Department of Physics, McGill University, 3600 rue University, H3A 2T8, Montreal, Canada.

Beilstein Journal of Nanotechnology
|August 23, 2016
PubMed
Summary
This summary is machine-generated.

Researchers developed a low-cost method for high-performance magnetic force microscopy (MFM) probes. These probes offer improved resolution and customizable stray fields, overcoming current limitations in magnetic imaging technology.

Keywords:
AFM probesatomic force microscopy (AFM)high-resolution microscopymagnetic force microscopy (MFM)magnetic materials

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Physics

Background:

  • Magnetic Force Microscopy (MFM) is crucial for magnetic imaging, offering high spatial resolution.
  • Standard MFM techniques face challenges with tip stray field control and lateral resolution.
  • Current MFM probes lack market availability for customized tip stray fields and optimized imaging conditions.

Purpose of the Study:

  • To present a convenient, low-cost method for preparing high-performance MFM probes.
  • To achieve sub-10 nm topographic and sub-25 nm magnetic lateral resolution.
  • To enable customization of tip stray fields and optimize MFM imaging for different environments.

Main Methods:

  • Development of an easy, quick, and low-cost approach for MFM probe fabrication.
  • Customization of the tip stray field to prevent sample magnetization changes.
  • Mounting MFM tips on hard or soft cantilevers for vacuum or liquid media imaging.

Main Results:

  • Achieved sub-10 nm topographic and sub-25 nm magnetic lateral resolution.
  • Demonstrated the ability to customize tip stray fields, enhancing imaging accuracy.
  • Enabled optimized MFM imaging in both vacuum and liquid environments.

Conclusions:

  • The developed method provides high-performance MFM probes with enhanced resolution and control.
  • This technology overcomes limitations of current MFM probes, offering a customizable solution.
  • The approach facilitates advanced magnetic imaging for applied materials characterization.