Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-06-07
Journal of Applied Physics 105 (8), 083903 (2009)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
5 pages, 5 figures
Scientific paper
10.1063/1.3098250
The magnetostatic interaction between two ferromagnetic microwires is calculated as a function of their geometric parameters and compared with those measured through magnetic hysteresis loops of glass-coated amorphous Fe% $_{77.5}$Si$_{7.5}$B$_{15}$ microwires. The hysteresis loops are characterized by well-defined Barkhausen jumps corresponding each to the magnetization reversal of individual microwires, separated by horizontal plateaux. It is shown that the magnetostatic interaction between them is responsible for the appearance of these plateaux. Finally, using the expression for the magnetostatic interaction is trivial to obtain the interacting force between microwires. Our results are intended to provide guidelines for the use of these microwires with technological purpose such as the fabrication of magnetic sensors.
Denardin Juliano C.
Escrig J.
Pereira Antonio
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