Magnetization distribution in magnetic films studied with Larmor-encoding

H. Lauter, V. Lauter, A. Vorobiev, M. Mylaev, L. Romashev, V. Ustinov, B. Toperverg

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Additional information about the magnetization distribution in magnetic films is obtained with a 3D-polarimetry set-up. A pilot experiment was performed with the neutron polarization aligned perpendicular to the surface of a Fe-film in a magnetic field parallel to its surface. The Larmor-precession in the magnetic field between two current sheets was used to adjust the neutron polarization perpendicular to the sample surface. This new polarization-magnetization configuration was probed with a Fe-film in specular and off-specular scattering. The off-specular scattering is created by the magnetic domain structure of the Fe-film in remanence. The results of specular and off-specular scattering are reproduced by calculations for the configuration of the incoming neutron polarization parallel to the sample surface and the magnetic field and for the configuration of the incoming neutron polarization perpendicular to the sample surface and the magnetic field.

Original languageEnglish
Pages (from-to)2553-2556
Number of pages4
JournalPhysica B: Physics of Condensed Matter
Volume404
Issue number17
DOIs
StatePublished - Sep 1 2009
Externally publishedYes

Keywords

  • Larmor-precession
  • Magnetic films
  • Off-specular scattering
  • Polarized neutron reflectometry

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