X-ray resonant magnetic scattering from patterned multilayers

Unnar B. Arnalds, Thomas P. A. Hase, Evangelos Th. Papaioannou, Hossein Raanaei, Radu Abrudan, Timothy R. Charlton, Sean Langridge, and Björgvin Hjörvarsson
Phys. Rev. B 86, 064426 – Published 20 August 2012

Abstract

We report on x-ray resonant magnetic scattering from laterally patterned arrays of amorphous Co68Fe24Zr8/Al2O3 multilayers. The arrays are composed of circular and ellipsoidal elements which display distinct individual magnetic responses enabling the investigation of the dependence of the observed magnetization on the scattering condition. We focus our attention to special points in reciprocal space, relating to the lateral and perpendicular structure of the samples, thereby revealing the magnetic structure of the multilayered arrays. This allows a comparison of the observed magnetization under different scattering conditions to magneto-optical measurements. The scattering data are supported by micromagnetic simulations which further enhance our understanding of the intricate charge and magnetic scattering from three dimensional patterns.

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  • Received 17 March 2012

DOI:https://doi.org/10.1103/PhysRevB.86.064426

©2012 American Physical Society

Authors & Affiliations

Unnar B. Arnalds1, Thomas P. A. Hase2, Evangelos Th. Papaioannou1, Hossein Raanaei3, Radu Abrudan4, Timothy R. Charlton5, Sean Langridge5, and Björgvin Hjörvarsson1

  • 1Department of Physics and Astronomy, Uppsala University, Box 530, S-751 21 Uppsala, Sweden
  • 2Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
  • 3Department of Physics, Persian Gulf University, Bushehr 75169, Iran
  • 4Ruhr-Universität Bochum, D-44780 Bochum, Germany
  • 5ISIS, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0QX, United Kingdom

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Issue

Vol. 86, Iss. 6 — 1 August 2012

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