Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 456, Issue -, Pages 236-240Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2018.02.036
Keywords
Intermetallic; Rare earth; Reversible magnetocaloric effect
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The magnetic properties and magnetocaloric effect (MCE) of binary intermetallic compound Er3Pd2 were studied. It exhibits a paramagnetic (PM) to antiferromagnetic (AFM) transition at Neel temperature (T-N) = 10 K. A large reversible MCE was observed which is related to a second order magnetic transition from PM to AFM state. The values of maximum magnetic entropy change (-Delta S-M(max)) and adiabatic temperature change (Delta T-ad(max)) reach 8.9 J/kg-K and 2.9 K respectively for the field change of 50 kOe with no obvious hysteresis loss. The effective magnetic moment was determined to be 10.16 mu(B)/Er3+, which is notably higher than that of free ion value of Er3+ (9.59 mu(B)), suggests that Pd ions also have considerable amount of magnetic moments in this compound. (C) 2018 Elsevier B.V. All rights reserved.
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