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Structural, magnetic, and magnetocaloric properties of (Hf0.83Ta0.17)Fe2+x materials : The 40th annual conference on magnetism and magnetic materials (1996)

Herbst, J. F. ; Fuerst, C. D. ; McMichael, R. D.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 79 (1996), S. 5998-6000

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Details

ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: We have investigated the sensitivity of structural, magnetic, and magnetocaloric properties of (Hf0.83Ta0.17)Fe2+x alloys (x=−0.18, −0.09, −0.02, 0.00, 0.09, 0.26) to Fe content. As-cast samples for all x consist essentially exclusively of hexagonal MgZn2-type material. Via magnetization and differential scanning calorimetry measurements we find that all the alloys except x=0.26 feature both a ferromagnetic→antiferromagnetic (FM→AFM) transition at temperature T0 and a Néel transition. The most abrupt FM→AFM transition occurs in the x=−0.02 material which also exhibits the lowest T0 and largest low-temperature moment. We report a magnetocaloric property, the field-induced entropy change ΔS, for the x=0.00 and x=±0.09 alloys. © 1996 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.362133

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