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Effect of Electron Irradiation on Electronic Structure of Ni41Co6Mn43Sn10 Alloys

  • LTD.
  • Harbin Institute of Technology
  • Chengdu Advanced Metal Materials Industry Technology Research Institute Co.,Ltd

Research output: Contribution to journalArticlepeer-review

Abstract

Effect of electron irradiation on electronic structure of Ni41Co6Mn43Sn10 alloys were investigated by X-ray absorption fine structure, X-ray magnetic circular dichroism spectrometry and Mössbauer spectrometry. The local coordination environment of magnetic element significant changes after electron irradiation, the change in the peak intensity of the Co L 3 edge is opposite to the Ni/Mn element, indicating that there is an electronic exchange between them. The crystal field symmetry is broken, the hyperfine field H in of the Ni41Co6Mn43Sn10 alloy increases from 8.80 to 9.06 T. Meanwhile, the spin magnetic moment of the Mn atom is significantly increased after electron irradiation. Graphical Abstract: [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)42-48
Number of pages7
JournalElectronic Materials Letters
Volume20
Issue number1
DOIs
StatePublished - Jan 2024

Keywords

  • Electron irradiation
  • Electronic local structure
  • Mössbauer spectrometry
  • Ni-Co-Mn-Sn heusler alloys

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