Abstract
The magnetic and magnetocaloric properties of Ho2Cu2Cd compound have been studied. The compound reveals two successive magnetic phase transitions at 30 K and 15 K which are corresponding to the paramagnetic to ferromagnetic transition and a spin reorientation, respectively. Two successive magnetic transitions in Ho2Cu2Cd resulting two peaks in the temperature dependence of magnetic entropy change curves, −ΔSM (T). Two peaks are partly overlapped and induced a large MCE in a wide temperature range, i. e., large refrigerant capacity (RC) and relative cooling power (RCP). For a magnetic field change of 0–7 T, the values of maximal −ΔSM, RC and RCP are 25.1 J/kg K, 527 J/kg and 732 J/kg for Ho2Cu2Cd, respectively.
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