Transversal Magnetic Anisotropy in Nanoscale PdNi-Strips

D. Steininger; A. K. Huettel; M. Ziola; M. Kiessling; M. Sperl; G. Bayreuther; Ch. Strunk

doi:10.1063/1.4775799

Transversal Magnetic Anisotropy in Nanoscale PdNi-Strips

Mesoscale and Nanoscale Physics 2015-06-11 v2

Authors: D. Steininger , A. K. Huettel , M. Ziola , M. Kiessling , M. Sperl , G. Bayreuther , Ch. Strunk

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Abstract

We investigate submicron ferromagnetic PdNi thin-film strips intended as contact electrodes for carbon nanotube-based spintronic devices. The magnetic anisotropy and micromagnetic structure are measured as function of temperature and aspect ratio. Contrary to the expectation from shape anisotropy, magnetic hysteresis measurements of Pd0.3Ni0.7 on arrays containing strips of various width point towards a magnetically easy axis in the sample plane, but transversal to the strip direction. Anisotropic magnetoresistance measured on individual Pd0.3Ni0.7 contact strips and magnetic force microscopy images substantiate that conclusion.

Keywords

magnetic anisotropy PdNi thin films spintronic devices carbon nanotubes anisotropic magnetoresistance magnetic force microscopy micromagnetic structure

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@article{arxiv.1208.2163,
  title  = {Transversal Magnetic Anisotropy in Nanoscale PdNi-Strips},
  author = {D. Steininger and A. K. Huettel and M. Ziola and M. Kiessling and M. Sperl and G. Bayreuther and Ch. Strunk},
  journal= {arXiv preprint arXiv:1208.2163},
  year   = {2015}
}

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5 pages, 4 figures

Transversal Magnetic Anisotropy in Nanoscale PdNi-Strips

Abstract

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