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| Title: | MFM TIP INDUCED REMAGNETIZATION EFFECTS IN ELLIPTICAL FERROMAGNETIC NANOPARTICLES | |
| DOI No: | 10.1142/9789812701947_0067 | |
| Source: | PHYSICS, CHEMISTRY AND APPLICATION OF NANOSTRUCTURES (pp 307-310) | |
| Author(s): | V. L. MIRONOV
Institute for Physics of Microstructures, Russian Academy of Sciences, GSP-105, 603950 Nizhny Novgorod, Russia B. A. GRIBKOV Institute for Physics of Microstructures, Russian Academy of Sciences, GSP-105, 603950 Nizhny Novgorod, Russia A. A. FRAERMAN Institute for Physics of Microstructures, Russian Academy of Sciences, GSP-105, 603950 Nizhny Novgorod, Russia N. I. POLUSHKIN Institute for Physics of Microstructures, Russian Academy of Sciences, GSP-105, 603950 Nizhny Novgorod, Russia S. N. VDOVICHEV Institute for Physics of Microstructures, Russian Academy of Sciences, GSP-105, 603950 Nizhny Novgorod, Russia |
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| Abstract: | We demonstrate MFM (magnetic force microscopy) tip induced remagnetization effects in ferromagnetic elliptical nanoparticles varying in thickness, size and aspect ratio. These arrays of particles are produced by interference laser lithography and e-beam lithography methods. It is found that Fe-Cr particles with a high aspect ratio show reversible switching of the single domain magnetization state. At the same time, Co nanomagnets with a low aspect ratio exhibit tip induced transitions between the single domain and the vortex state of magnetization. | |
| Full Text: | View full text in PDF format (436KB) | |
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