Physics – Condensed Matter – Materials Science
Scientific paper
2009-03-12
Phys. Rev. B, 79, 132401 (2009)
Physics
Condensed Matter
Materials Science
4 pages, 5 figures
Scientific paper
10.1103/PhysRevB.79.132401
We present Magnetic Resonance Force Microscopy (MRFM) measurements of Ferromagnetic Resonance (FMR) in a 50 nm thick permalloy film, tilted with respect to the direction of the external magnetic field. At small probe-sample distances the MRFM spectrum breaks up into multiple modes, which we identify as local ferromagnetic resonances confined by the magnetic field of the MRFM tip. Micromagnetic simulations support this identification of the modes and show they are stabilized in the region where the dipolar tip field has a component anti-parallel to the applied field.
Hammel Chris P.
Martin Ivar
Movshovich Roman
Nazaretski Evgeny
Pelekhov Denis V.
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