Spatial characterization of the magnetic field profile of a probe tip used in magnetic resonance force microscopy
E. Nazaretski, E. A. Akhadov, I. Martin, D. V. Pelekhov, P. C. Hammel,, and R. Movshovich
TL;DR
This paper presents an experimental method to map the three-dimensional magnetic field profile of probe tips used in magnetic resonance force microscopy, enabling detailed spatial characterization of various probe geometries.
Contribution
It introduces a novel technique for 3D magnetic field mapping of probe tips in MRFM, allowing characterization of arbitrarily shaped magnets.
Findings
Successfully mapped the 3D magnetic field of a Nd2Fe14B probe tip.
Demonstrated the technique on a DPPH film for validation.
Enabled spatial characterization of complex probe geometries.
Abstract
We have developed the experimental approach to characterize spatial distribution of the magnetic field produced by cantilever tips used in magnetic resonance force microscopy (MRFM). We performed MRFM measurements on a well characterized diphenyl-picrylhydrazyl (DPPH) film and mapped the 3D field profile produced by a Nd2Fe14B probe tip. Using our technique field profiles of arbitrarily shaped probe magnets can be imaged.
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