Change in the Direction of the Easy Magnetization Axis of Arrays of Segmented Ni/Cu Nanowires with Increasing Ni Segment Length

A. A. Mistonov, I. S. Dubitskiy, A. H. A. Elmekawy, E. G. Iashina, S. V. Sotnichuk, K. S. Napolskii, D. Menzel

Research output: Contribution to journalArticlepeer-review

Abstract

Arrays of ordered segmented nanowires, which are ferromagnetic regions separated by non-magnetic inserts, are considered as a promising material for three-dimensional information storage systems. However, the presence of a large number of competing interactions significantly complicates the description of the magnetic behavior of such systems. In this paper, the effect of the segment length on the integral magnetic properties of Ni/Cu wires arrays is investigated. It is shown that the coercivity increases with an increase in the length of the magnetic segment for both the longitudinal and transverse directions of the long axis of the wires relative to the external magnetic field. A change in the direction of the easy magnetization axis was found with the ratio of the Ni segment length to the diameter in the range from 10 to 15.
Original languageEnglish
JournalPhysics of the Solid State
Volume63
Issue number7
DOIs
StatePublished - 2021

Keywords

  • segmented nanowires
  • arrays of nanowires
  • micromagnetism
  • interaction of nanowires

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