Effect of Fe-doping on magnetic structures and “spin-lattice-charge” strong correlation properties in Mn3Sn1-Fe C compounds - Archive ouverte HAL
Article Dans Une Revue Journal of Alloys and Compounds Année : 2025

Effect of Fe-doping on magnetic structures and “spin-lattice-charge” strong correlation properties in Mn3Sn1-Fe C compounds

Dongmei Hu
  • Fonction : Auteur
Kewen Shi
  • Fonction : Auteur
Ying Sun
  • Fonction : Auteur
Claire Colin
Shihai An
  • Fonction : Auteur
Zhijie Ma
  • Fonction : Auteur
Pierre Bordet
Cong Wang
  • Fonction : Auteur

Résumé

The influences of Fe-doping on the magnetic structure, correlated lattice variation, and electronic transport of the antiperovskite compounds Mn3Sn1-xFexC have been reported for the first time. The results indicate that Fe-doping is effective in altering the magnetic behaviors in the Mn3Sn1-xFexC compounds. The magnetic phase transition point (TC) initially shifts to lower temperatures at low Fe-doping concentrations and then increases to higher temperatures at higher Fe-doping levels. This change is accompanied by the development of macroscopic ferromagnetism in the compound, which is essentially due to the emergence of a new canted ferrimagnetic phase named MCF, revealed by neutron powder diffraction (NPD). By virtue of the Fe-doping effect on the magnetism, the regulation of the negative thermal expansion (NTE) behavior and the abrupt change of resistivity in Mn3SnC are also realized. Based on these results, a magnetic phase diagram for the Mn3Sn1-xFexC series is established. This work not only provides a method for effective regulation of magnetic ordering but also strengthens our understanding of strongly correlated physical properties.
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Dates et versions

hal-04788435 , version 1 (18-11-2024)

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Citer

Dongmei Hu, Kewen Shi, Ying Sun, Claire Colin, Sihao Deng, et al.. Effect of Fe-doping on magnetic structures and “spin-lattice-charge” strong correlation properties in Mn3Sn1-Fe C compounds. Journal of Alloys and Compounds, 2025, 1010, pp.177489. ⟨10.1016/j.jallcom.2024.177489⟩. ⟨hal-04788435⟩

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