In situ ferromagnetic resonance capability on a polarized neutron reflectometry beamline:

Mikhail Kostylev*, Grace L. Causer, Charles Henri Lambert, Thomas Schefer, Charles Weiss, Sara J. Callori, Sayeef Salahuddin, Xiaolin L. Wang, Frank Klose

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This article describes a novel approach which allows for the mutual determination of a ferromagnetic thin film's static and dynamic magnetic behaviours in the presence of an external thermodynamic stimulus. Using a combination of polarized neutron reflectometry (PNR) and ferromagnetic resonance (FMR) techniques, it is shown that information such as magnetic depth profiles and magnetization dynamics can be obtained for a ferromagnetic film in both transient and static states in the presence of a hydrogen gas atmosphere. Presented here are the proposed scheme, the instrumentation concept and the first experimental results obtained from implementing a custom-made PNR with an in situ FMR sample chamber on the PLATYPUS time-of-flight reflectometer beamline at the Australian Centre for Neutron Scattering (ANSTO)

Original languageEnglish
Pages (from-to)9-16
Number of pages8
JournalJournal of Applied Crystallography
Volume51
Issue number1
DOIs
StatePublished - Feb 2018

Keywords

  • hydrogen sensing materials
  • magnetic anisotropy
  • magnetic depth profiling
  • magnetization dynamics
  • microwave devices

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