Magnetocaloric effect in CeFe2 and Ru-doped CeFe2 alloys

被引：37

作者：

Chattopadhyay, MK ^{[1
]}

Manekar, MA ^{[1
]}

Roy, SB ^{[1
]}

机构：

[1] Raja Ramanna Ctr Adv Technol, Magnet & Superconducting Mat Sect, Indore 452013, India

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2006年 / 39卷 / 06期

关键词：

D O I：

10.1088/0022-3727/39/6/002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The magnetocaloric effect (MCE) is studied in CeFe2 and Ru-doped CeFe2 alloys with dc magnetization measurements. The pure CeFe2 compound shows a distinct peak in MCE around the paramagnetic to ferromagnetic transition. In Ru-doped CeFe2 alloys there is a further transition from the ferromagnetic to antiferromagnetic state at low temperatures. This latter magnetic transition gives rise to a relatively large inverse MCE. A comparative study of the MCE associated with two different magnetic transitions is made and the possible role of a structural transition in the inverse MCE is discussed.

引用

页码：1006 / 1011

页数：6

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