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Publication Citation: Spectroscopic defect imaging in magnetic nanostructure arrays

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Author(s): Han-Jong H. Chia; Feng Guo; Lyubov Belova; Robert D. McMichael;
Title: Spectroscopic defect imaging in magnetic nanostructure arrays
Published: July 25, 2012
Abstract: We report a demonstration of spectroscopic defect imaging in an array of ferromagnetic structures using ferromagnetic resonance force microscopy (FMRFM). The arrray of 200 nm diameter circular dots includes a single oval-shaped ,defect.Š The technique resolves not only intentional differences in resonant field between the dots and the oval, but also differences between nominally identical circular dots in the array.
Citation: Applied Physics Letters
Volume: 101
Issue: 4
Pages: pp. 042408 - 042408-4
Keywords: Ferromagnetic resonance, nanomagnetics, magnetic microscope
Research Areas: Nanomagnetics
PDF version: PDF Document Click here to retrieve PDF version of paper (2MB)