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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/10524

Scaling of the entropy change at the magnetoelastic transition in Gd5(SixGe1-x)4

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Differential scanning calorimetry under a magnetic field H has been used to measure the entropy change DS at the magnetoelastic transition in Gd5(SixGe12x)4 alloys, for x<0.5. We show that DS scales with the transition temperature, Tt , which is tuned by x and H, from 70 to 310 K. Such a scaling demonstrates that Tt is the relevant parameter in determining the giant magnetocaloric effect in these alloys, and proves that the magnetovolume effects due to H are of the same nature as the volume effects caused by substitution

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CASANOVA I FERNÀNDEZ, Fèlix, et al. Scaling of the entropy change at the magnetoelastic transition in Gd5(SixGe1-x)4. Physical Review B. 2002. Vol. 66, num. 21, pags. 212402(1)-212402(4). ISSN 0163-1829. [consulted: 20 of August of 2026]. Available at: https://hdl.handle.net/2445/10524

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