Magnetocaloric effect in in Tb₆₀Ni₃₀Al₁₀ glass : a material that can either heat or cool upon magnetization

Stéphane Gorsse (1) , Charlotte Mayer (1) , Bernard Chevalier (1)

1 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux

The Tb₆₀Ni₃₀Al₁₀ amorphous alloy was prepared by melt-spinning in the form of ribbons. Its magnetic behavior shows upon magnetization the occurrence of a spin glass to ferromagnetic and a paramagnetic to ferromagnetic transitions at 5 and 48 K. The magnetocaloric effects associated with these transitions were investigated. Large positive and negative magnetic entropy changes upon magnetization have been observed in a temperature range interesting for gas liquefaction

Domaines: Matériaux

Stéphane Gorsse, Charlotte Mayer, Bernard Chevalier. Magnetocaloric effect in in Tb₆₀Ni₃₀Al₁₀ glass : a material that can either heat or cool upon magnetization. Journal of Applied Physics, 2011, 109 (3), 033914 (4 p.). ⟨10.1063/1.3544450⟩. ⟨hal-00566110⟩