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http://dx.doi.org/10.4283/JMAG.2011.16.4.337

Magnetic and Magnetocaloric Properties of (Gd1-xCex)Al2(x = 0, 0.25, 0.5, 0.75) Compounds  

Gencer, H. (Physics Department, Science and Arts Faculty, Inonu University)
Izgi, T. (Physics Department, Science and Arts Faculty, Inonu University)
Kolat, V.S. (Physics Department, Science and Arts Faculty, Inonu University)
Kaya, A.O. (Physics Department, Science and Arts Faculty, Inonu University)
Atalay, S. (Physics Department, Science and Arts Faculty, Inonu University)
Publication Information
Journal of Magnetics / v.16, no.4, 2011 , pp. 337-341 More about this Journal
Abstract
The magnetic and magnetocaloric properties of $Gd_{1-x}Ce_xAl_2$ (x = 0, 0.25, 0.5, 0.75) intermetallic compounds alloys have been investigated in detail for the first time. XRD patterns indicated that all the samples were crystallized in a single phase with $MgCu_2$-type structure (Laves phase). Ce substitution for Gd increased the lattice parameters and decreased the Curie temperature from 163 K for x = 0 to 37 K for x = 0.75. A maximum entropy change of 3.82 J/kg K was observed when a 2 T magnetic field was applied to the x = 0 sample. This entropy change decreased with increasing Ce content to 2.04 J/kg K for the x = 0.75 sample.
Keywords
magnetic properties; magnetocaloric effect; intermetallic compounds; laves phase;
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