Optimization strategies and artifacts of time-involved small-angle neutron scattering experiments

Denis Mettus, Alfonso Chacon, Andreas Bauer, Sebastian Mühlbauer, Christian Pfleiderer, S. Disch

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Kinetic small-angle neutron scattering provides access to the microscopic properties of mesoscale systems under slow, periodic perturbations. By interlocking the phases of neutron pulse, sample modulation and detector signal, time-involved small-angle neutron scattering experiments (TISANE) allow one to exploit the neutron velocity spread and record data without major sacrifice in intensity at timescales down to microseconds. This article reviews the optimization strategies of TISANE that arise from specific aspects of the process of data acquisition and data analysis starting from the basic principles of operation. Typical artifacts of data recorded in TISANE due to the choice of time binning and neutron chopper pulse width are illustrated by virtue of the response of the skyrmion lattice in MnSi under periodic changes of the direction of the stabilizing magnetic field.

Original languageEnglish
Pages (from-to)1603-1612
Number of pages10
JournalJournal of Applied Crystallography
Volume55
DOIs
StatePublished - 29 Nov 2022

Keywords

  • TISANE
  • skyrmion
  • small-angle neutron scattering

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