Larmor precession reflectometry for magnetic film studies

M. Jernenkov, S. Klimko, V. Lauter-Pasyuk, B. P. Toperverg, M. Milyaev, L. Romashev, V. Ustinov, H. Lauter, V. Aksenov

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Polarized neutrons present Larmor pseudo-precession (LPP) when reflected from magnetic films. LPP is a result of quantum interference between the different spin components of the neutron wave reflected from the substrate and the front face of a magnetic film. This interference manifests as an effective rotation of the neutron polarization vector around the magnetization direction of the film. A new method is presented here, based on the effect of LPP, which allows the absolute direction of the magnetization vector inside a layer to be determined. This is not possible using conventional reflectometry techniques.

Original languageEnglish
Pages (from-to)116-118
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume586
Issue number1
DOIs
Publication statusPublished - Feb 11 2008

Keywords

  • Larmor precession
  • Resonance spin-echo
  • Thin magnetic films

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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