Abstract
Abstract The Er-based compound Er4CoCd was synthesized successfully and its structural, magnetic together with magnetocaloric properties were investigated in detail. The Er4CoCd crystallized in a Gd4RhIn-type structure with the space group of F 4 ¯ 3 m , which was confirmed by Rietveld refinement. A ferromagnetic transition was observed around its Curie temperature (TC) of 12.5 K accompanied by a large magnetocaloric effect (MCE). The performance of MCE for Er4CoCd was evaluated by the isothermal maximal magnetic entropy (- Δ S M max ) , the temperature averaged entropy change (TEC) at 10 K temperature lift [TEC (10 K)], and the relative cooling power (RCP). The values of - Δ S M max , TEC (10 K), and RCP of Er4CoCd are 20.4 J/kg K, 19.2 J/kg K, and 503 J/kg under the magnetic field change (ΔH) of 0–5 T, respectively.
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