Direct Measurement of the Magnetocaloric Effect in La(Fe,Si,Co)13 Compounds in 
Pulsed Magnetic Fields

Ghorbani Zavareh, M.; Skourski, Y.; Skokov, K. P.; Karpenkov, D. Yu.; Zvyagina, L.; Waske, A.; Haskel, D.; Zhernenkov, M.; Wosnitza, J.; Gutfleisch, O.

doi:10.1103/PhysRevApplied.8.014037

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Direct Measurement of the Magnetocaloric Effect in La(Fe,Si,Co)₁₃ Compounds in Pulsed Magnetic Fields

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Ghorbani Zavareh, M.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Ghorbani Zavareh, M., Skourski, Y., Skokov, K. P., Karpenkov, D. Y., Zvyagina, L., Waske, A., et al. (2017). Direct Measurement of the Magnetocaloric Effect in La(Fe,Si,Co)₁₃ Compounds in Pulsed Magnetic Fields. Physical Review Applied, 8(1): 014037, pp. 1-9. doi:10.1103/PhysRevApplied.8.014037.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-CA55-E

Abstract

We report on magnetization, magnetostriction, and magnetocaloric-effect measurements of polycrystal-line LaFe11.74Co0.13Si1.13 and LaFe11.21Co0.65Si1.11 performed in both pulsed and static magnetic fields. Although the two compounds behave rather differently at low fields (similar to 5 T), they show quite similar values of the magnetocaloric effect, namely a temperature increases of about 20 K at high fields (50-60 T). The magnetostriction and magnetization also reach very similar values here. We are able to quantify the magnetoelastic coupling and, based on that, apply the Bean-Rodbell criterion distinguishing first- and second-order transitions.