Magnetic properties and magnetocaloric effect of Ce2GdCo11B4 boride

被引：5
|
作者：
Kervan, N. [1 ]
Kervan, S. [1 ]
Sozeri, H. [2 ]
Gencer, A. [3 ]
机构：
[1] Nevsehir Univ, Fac Arts & Sci, Dept Phys, TR-50300 Nevsehir, Turkey
[2] TUBITAK UME, Natl Metrol Inst, TR-41470 Gebze, Turkey
[3] Ankara Univ, Fac Sci, Dept Phys, TR-06100 Ankara, Turkey
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2009年 / 116卷 / 2-3期
关键词：
Magnetocaloric effect; Magnetic materials; Magnetic properties; REFRIGERATION; TRANSITION;
D O I：
10.1016/j.matchemphys.2009.04.041
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic properties and magnetocaloric effects of Ce2GdCo11B4 compound were studied by means of X-ray diffraction and magnetization measurements. The sample was prepared by arc-melting. The compound crystallizes in a hexagonal Ce3Co11B4-type structure with P6/mmm space group. Ce2GdCo11B4 compound orders ferrimagnetically at T-C = 301 K. A compensation point at T-comp. = 40 K was found. The maximum magnetic entropy change |Delta S-max| of Ce2GdCo11B4 is 0.306 J kg(-1) K-1 for a field change of 0-5 T The Arrott plots show that magnetic phase transition at the Curie temperature is second-order. (C) 2009 Elsevier B V All rights reserved.
引用
收藏
页码：586 / 588
页数：3
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