New Polarized Neutron Diffraction Setup for Precise High-Field Investigations of Magnetic Structures up to 8 T at MLZ

  • Vladimir Hutanu
  • , Henrik Thoma
  • , Hao Deng
  • , Georg Brandl
  • , Alexander Weber
  • , Valentyn Rubanskyi
  • , Jurgen Peters
  • , Wolfgang Luberstetter
  • , Thomas Krist
  • , Georg Roth
  • , Lars Peters
  • , Thomas Bruckel
  • , Stefan Mattauch

Research output: Contribution to journalArticlepeer-review

Abstract

New actively shielded asymmetric vertical field split-coil superconducting magnet with maximal field of 8 T has been recently procured and implemented on the beam line polarization investigator (POLI) at Maier-Leibnitz Zentrum (MLZ). The magnet is designed in order to facilitate the single crystal diffraction with polarized neutrons. In order to provide high neutron polarization in the vicinity of the new strong magnet, a dedicated compact-size solid-state supermirror bender polarizer optimized for the short neutron wavelength on POLI has been built. A Mezei flipper, which had been previously developed for lower field, could be upgraded with additional guide fields in order to be used in combination with new polarizer and magnet. All components are discussed and the performance test for the entire setup is presented. High efficiency of the new polarized neutron diffraction (PND) setup on POLI is demonstrated. PND experiments in the fields up to 8 T are now available at MLZ.

Original languageEnglish
JournalIEEE Transactions on Magnetics
Volume58
Issue number2
DOIs
StatePublished - Feb 1 2022
Externally publishedYes

Keywords

  • High magnetic field
  • magnetic structure
  • polarized neutron diffraction (PND)
  • supermirror polarizer

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