Anisotropic transport and magnetic properties of arrays of sub-micron wires

Piraux, Luc;Ferain, Etienne;Legras, Roger;Ounadjela, K.;Fert, A.;et.al.
(1997) Journal of Magnetism and Magnetic Materials — Vol. 165, n° 1-3, p. 352-355 (1997)

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Authors
  • Piraux, LucUCLouvain
    Author
  • Ferain, EtienneUCLouvain
    Author
  • Legras, RogerUCLouvain
    Author
  • Ounadjela, K.
    Author
  • Fert, A.
    Author
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Abstract
We report a comparative study of anisotropic magnetoresistance and magnetic properties in arrays of sub-micron Ni; and Co wires electro-deposited in the cylindrical pores of track-etched polymer membranes. The variation of coercivity and squareness as a function of wire diameter for arrays of almost isolated sub-micron wires is reported in the range 30-500 nm. The Wi and Go-based systems demonstrate different magnetic and magnetoresistive behaviors except for the smallest diameter. It is believed that the observed difference originates from the presence of competing crystal anisotropy in the Co-based system.
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Piraux, L., Ferain, E., Legras, R., Ounadjela, K., George, J. M., Maurice, J. L., & Fert, A. (1997). Anisotropic transport and magnetic properties of arrays of sub-micron wires. Journal of Magnetism and Magnetic Materials, 165(1-3), 352-355. https://doi.org/10.1016/S0304-8853(96)00553-7 (Original work published 1997)