Intrinsic Switching Field Distribution of Arrays of Ni80Fe20 Nanowires Probed by In Situ Magnetic Force Microscopy

Tabasum, Muhammad Ramzan;De La Torre Medina, Joaquin;Piraux, Luc;Nysten, Bernard
(2013) Journal of Superconductivity and Novel Magnetism — Vol. 26, n° 4, p. 1375-1379 (2013)

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Authors
  • Tabasum, Muhammad RamzanUCLouvain
    Author
  • De La Torre Medina, JoaquinUCLouvain
    Author
  • Piraux, LucUCLouvain
    Author
  • Nysten, Bernardorcid-logoUCLouvain
    Author
Abstract
The progress of magnetization reversal of weakly packed ferromagnetic Ni80Fe20 nanowire arrays of different diameters (40, 50, 70, and 100 nm) electrodeposited in polycarbonate membranes was studied by magnetic force microscopy (MFM). For such a low packing density of nanomagnets, the dipolar interactions between neighboring wires can be neglected. The intrinsic switching field distribution has been extracted from in situ MFM images and its width was found to be considerably smaller than for densely packed nanowire arrays.
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Tabasum, M. R., De La Torre Medina, J., Piraux, L., & Nysten, B. (2013). Intrinsic Switching Field Distribution of Arrays of Ni80Fe20 Nanowires Probed by In Situ Magnetic Force Microscopy. Journal of Superconductivity and Novel Magnetism, 26(4), 1375-1379. https://doi.org/10.1007/s10948-012-1975-5 (Original work published 2013)