Journal of the Korean Physical Society

, Volume 62, Issue 10, pp 1399–1403 | Cite as

Extraordinary hall effect in Pt- or Ni-based multilayer stacks with strong perpendicular magnetic anisotropy

  • Heinen Jan
  • Schulz Tomek
  • Jakob Gerhard
  • Kläui Mathias
  • Boulle Olivier
  • Malinowski Gregory
  • Swagten Henk
  • Koopmans Bert
  • Ulysse Christian
  • Faini Giancarlo
  • Ocker Berthold
  • Wrona Jerzy
  • Ahn Sung-Min
  • Nguyen Ngoc-Minh
  • Ravelosona Dafiné
Article

Abstract

We determine in high anisotropy Pt/Co- and Ni/Co-based multilayer materials, which are candidates for high density storage applications, the contributions to the extraordinary Hall effect. In order to gain more insight into the physics underlying these processes, the dependence of the extraordinary Hall resistivity on the longitudinal resistivity is used to identify the skew scattering and the combined intrinsic and side jump effects when analyzing their variation with temperature. Furthermore, the influence of an additional amorphous CoFeB layer is shown, revealing a possibility to enhance the extraordinary Hall effect using this material.

Keywords

Extraordinary Anomalous Hall effect Multilayer Magnetoresistance Perpendicular anisotropy 

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Copyright information

© The Korean Physical Society 2013

Authors and Affiliations

  • Heinen Jan
    • 1
    • 2
  • Schulz Tomek
    • 2
  • Jakob Gerhard
    • 2
  • Kläui Mathias
    • 2
  • Boulle Olivier
    • 3
  • Malinowski Gregory
    • 4
  • Swagten Henk
    • 5
  • Koopmans Bert
    • 5
  • Ulysse Christian
    • 6
  • Faini Giancarlo
    • 6
  • Ocker Berthold
    • 7
  • Wrona Jerzy
    • 7
  • Ahn Sung-Min
    • 8
  • Nguyen Ngoc-Minh
    • 8
  • Ravelosona Dafiné
    • 8
  1. 1.Fachbereich PhysikUniversität KonstanzKonstanzGermany
  2. 2.Institut für PhysikJohannes Gutenberg-UniversitätMainzGermany
  3. 3.SpintecUMR CEA / CNRS / UJF-Grenoble 1 / Grenoble-INPGrenoble Cedex 9France
  4. 4.Laboratoire de physique des solidesUniversité Paris-sudOrsayFrance
  5. 5.Department of Applied PhysicsEindhoven University of TechnologyEindhovenThe Netherlands
  6. 6.CNRS, Phynano teamLaboratoire de Photonique et de NanostructuresMarcoussisFrance
  7. 7.Singulus Technologies AGKahl am MainGermany
  8. 8.IEFUniversité Paris-SudOrsayFrance

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