1994•Applied Physics LettersRequires access

Magnetic force microscopy images of magnetic garnet with thin-film magnetic tip

A. Wadas, John Moreland, Paul Rice, Romney R. Katti

Abstract

We present magnetic force microscopy images of YGdTmGa/YSmTmGa magnetic garnet, using a thin magnetic film deposited on Si3N5 atomic force microscopy tips. We have found correlations between the topography and the magnetic domain structure. We show that by using either magnetized Fe-Ni bilayer tips versus unmagnetized single layer Fe tips that the image contrast shows domains versus domain walls, respectively.

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Key concepts: Magnetic force microscope, Magnetic domain, Atomic force microscopy, Materials science, Microscopy, Magnetic resonance force microscopy, Bilayer, Thin film