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Magnetic switching of nanoscale antidot lattices
We investigate the rich magnetic switching properties of nanoscale antidot lattices in the 200 nm regime. In-plane magnetized Fe, Co, and Permalloy (Py) as well as out-of-plane magnetized GdFe antidot films are prepared by a modified nanosphere lithography allowing for non-close packed voids in a magnetic film. We present a magnetometry protocol based on magneto-optical Kerr microscopy elucidating the switching modes using first-order reversal curves. The combination of various magnetometry and magnetic microscopy techniques as well as micromagnetic simulations delivers a thorough understanding of the switching modes. While part of the investigations has been published before, we summarize these results and add significant new insights in the magnetism of exchange-coupled antidot lattices.
@article{escidoc:0065, title = {{Magnetic switching of nanoscale antidot lattices}}, journal = {{Beilstein Journal of Nanotechnology}}, abstract = {We investigate the rich magnetic switching properties of nanoscale antidot lattices in the 200 nm regime. In-plane magnetized Fe, Co, and Permalloy (Py) as well as out-of-plane magnetized GdFe antidot films are prepared by a modified nanosphere lithography allowing for non-close packed voids in a magnetic film. We present a magnetometry protocol based on magneto-optical Kerr microscopy elucidating the switching modes using first-order reversal curves. The combination of various magnetometry and magnetic microscopy techniques as well as micromagnetic simulations delivers a thorough understanding of the switching modes. While part of the investigations has been published before, we summarize these results and add significant new insights in the magnetism of exchange-coupled antidot lattices.}, volume = {7}, pages = {733--750}, publisher = {Beilstein-Institut}, address = {Frankfurt am Main}, year = {2016}, slug = {escidoc-0065}, author = {Wiedwald, U. and Gr\"afe, J. and Lebecki, K. M. and Skripnik, M. and Haering, F. and Sch\"utz, G. and Ziemann, P. and Goering, E. and Nowak, U.} }
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