Spin Reorientation Transition in Nanocrystalline (Pr,Sm)Fe8Ga3C Alloys

A.G. Popov; D.I. Gorbunov; G.V. Ivanova; G.M. Makarova; A.V. Korolyov

doi:10.4028/www.scientific.net/SSP.168-169.126

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HomeSolid State PhenomenaSolid State Phenomena Vols. 168-169Spin Reorientation Transition in Nanocrystalline...

Spin Reorientation Transition in Nanocrystalline (Pr,Sm)Fe₈Ga₃C Alloys

Abstract:

Spin-reorientation transitions in intermetallic (Pr1-xSmx)Fe8Ga3C compounds with the tetragonal BaCd11-type structure have been investigated. The magnetic phase diagram has been proposed for these compounds based on magnetic and X-Ray diffraction studies using their nanocrystalline ribbons and powders aligned in a magnetic field. In the concentration range 0 ≤ x ≤ 0.4 the compounds exhibit an «easy-plane» anisotropy at all temperatures of the magnetically ordered state. The magnetic anisotropy of the compounds with 0.5 ≤ x ≤ 1 is of the «easy-cone» type. The SmFe8Ga3C compound with the highest Sm content is a uniaxial ferromagnet with no indications of a spin-reorientation transition below its Curie temperature.

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Periodical:

Solid State Phenomena (Volumes 168-169)

Pages:

126-129

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.168-169.126

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Online since:

December 2010

Authors:

A.G. Popov, D.I. Gorbunov, G.V. Ivanova, G.M. Makarova, A.V. Korolyov

Keywords:

Coercivity, Magnetocrystalline Anisotropy, Microcrystalline Alloys, Nanocrystalline Alloy, Phase Composition, Pr-Sm-Fe-Ga-C Alloys, Spin Reorientation Transition

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References

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