Issue 78, 2016
From the journal:

RSC Advances

Magnetic properties and giant reversible magnetocaloric effect in GdCoC2

Lingjian Meng,ab   Chi Xu,c   Ye Yuan,c   Yang Qi,b   Shengqiang Zhouc  and  Lingwei Li*ab  

* Corresponding authors

a Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110819, China
E-mail: lingwei@epm.neu.edu.cn

b Institute of Materials Physics and Chemistry, School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China

c Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research, Bautzner Landstrasse 400, 01328 Dresden, Germany

Abstract

The crystal structure, magnetic properties and magnetocaloric effect (MCE) of GdCoC2 have been studied. The compound crystallizes in an orthorhombic CeNiC2-type structure which belongs to the Amm2 space group. A giant reversible MCE is observed in GdCoC2 accompanied by a second-order paramagnetic to ferromagnetic (PM–FM) phase transition around the Curie temperature ∼15 K. For the magnetic field change of 0–5 T, the maximum values of the magnetic entropy change (−ΔSmaxM), relative cooling power (RCP), and refrigerant capacity (RC) are 28.4 J kg−1 K−1, 566 J kg−1 and 369 J kg−1, respectively. The present results indicate that GdCoC2 is a promising candidate for low temperature magnetic refrigeration.

Graphical abstract: Magnetic properties and giant reversible magnetocaloric effect in GdCoC2

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Article information

DOI
https://doi.org/10.1039/C6RA16486B
Article type
Paper
Submitted
26 Jun 2016
Accepted
03 Aug 2016
First published
03 Aug 2016
This article is Open Access
Creative Commons BY license

RSC Adv., 2016,6, 74765-74768

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Magnetic properties and giant reversible magnetocaloric effect in GdCoC2

L. Meng, C. Xu, Y. Yuan, Y. Qi, S. Zhou and L. Li, RSC Adv., 2016, 6, 74765 DOI: 10.1039/C6RA16486B

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