Crystallographic and magnetic properties of NdFe10Mo2N0.5

Y. Z. Wang, G. C. Hadjipanayis, Z. X. Tang, W. B. Yelon, V. Papaefthymiou, A. Moukarika, D. J. Sellmyer

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

NdFe10Mo2N0.5 samples were prepared by heating fine NdFe10Mo2 powders in N2 gas. The nitrided material maintains the ThMn12-type structure but with a unit cell volume about 3% larger than in the original compound. Neutron diffraction experiments showed that the nitrogen atoms occupy the interstitial 2b sites and the Mo atoms the 8i sites consistent with the Mössbauer data. The Curie temperature is greatly enhanced by about 150 K. The magnetocrystalline anisotropy changed strongly from plane anisotropy in NdFe10Mo2 to uniaxial anisotropy in NdFe10Mo2N0.5 at room temperatures. The changes in the local crystallographic and electronic structure can explain the strong uniaxial anisotropy of the nitrided material.

Original languageEnglish (US)
Pages (from-to)41-48
Number of pages8
JournalJournal of Magnetism and Magnetic Materials
Volume119
Issue number1-2
DOIs
StatePublished - Feb 1 1993

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Magnetic properties
Anisotropy
magnetic properties
anisotropy
Magnetocrystalline anisotropy
Atoms
Neutron diffraction
Curie temperature
Powders
Electronic structure
Nitrogen
Gases
nitrogen atoms
neutron diffraction
Heating
interstitials
electronic structure
heating
room temperature
cells

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Wang, Y. Z., Hadjipanayis, G. C., Tang, Z. X., Yelon, W. B., Papaefthymiou, V., Moukarika, A., & Sellmyer, D. J. (1993). Crystallographic and magnetic properties of NdFe10Mo2N0.5. Journal of Magnetism and Magnetic Materials, 119(1-2), 41-48. https://doi.org/10.1016/0304-8853(93)90500-2

Crystallographic and magnetic properties of NdFe10Mo2N0.5. / Wang, Y. Z.; Hadjipanayis, G. C.; Tang, Z. X.; Yelon, W. B.; Papaefthymiou, V.; Moukarika, A.; Sellmyer, D. J.

In: Journal of Magnetism and Magnetic Materials, Vol. 119, No. 1-2, 01.02.1993, p. 41-48.

Research output: Contribution to journalArticle

Wang, YZ, Hadjipanayis, GC, Tang, ZX, Yelon, WB, Papaefthymiou, V, Moukarika, A & Sellmyer, DJ 1993, 'Crystallographic and magnetic properties of NdFe10Mo2N0.5', Journal of Magnetism and Magnetic Materials, vol. 119, no. 1-2, pp. 41-48. https://doi.org/10.1016/0304-8853(93)90500-2
Wang YZ, Hadjipanayis GC, Tang ZX, Yelon WB, Papaefthymiou V, Moukarika A et al. Crystallographic and magnetic properties of NdFe10Mo2N0.5. Journal of Magnetism and Magnetic Materials. 1993 Feb 1;119(1-2):41-48. https://doi.org/10.1016/0304-8853(93)90500-2
Wang, Y. Z. ; Hadjipanayis, G. C. ; Tang, Z. X. ; Yelon, W. B. ; Papaefthymiou, V. ; Moukarika, A. ; Sellmyer, D. J. / Crystallographic and magnetic properties of NdFe10Mo2N0.5. In: Journal of Magnetism and Magnetic Materials. 1993 ; Vol. 119, No. 1-2. pp. 41-48.
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AB - NdFe10Mo2N0.5 samples were prepared by heating fine NdFe10Mo2 powders in N2 gas. The nitrided material maintains the ThMn12-type structure but with a unit cell volume about 3% larger than in the original compound. Neutron diffraction experiments showed that the nitrogen atoms occupy the interstitial 2b sites and the Mo atoms the 8i sites consistent with the Mössbauer data. The Curie temperature is greatly enhanced by about 150 K. The magnetocrystalline anisotropy changed strongly from plane anisotropy in NdFe10Mo2 to uniaxial anisotropy in NdFe10Mo2N0.5 at room temperatures. The changes in the local crystallographic and electronic structure can explain the strong uniaxial anisotropy of the nitrided material.

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