Observation of large magnetocaloric effect in HoRu2Si2

被引：15
作者：
Paramanik, Tapas [1 ]
Das, Kalipada [1 ]
Samanta, Tapas [2 ]
Das, I. [1 ]
机构：
[1] Saha Inst Nucl Phys, CMP Div, Kolkata 700064, India
[2] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2014年 / 115卷 / 08期
关键词：
MAGNETIC-PROPERTIES; NEUTRON-DIFFRACTION; DYRU2SI2; TRANSITION; FIELD; MAGNETORESISTANCE; GD-5(SI2GE2); BEHAVIOR;
D O I：
10.1063/1.4867050
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Detailed magnetic, magnetotransport, and magnetocaloric measurements on HoRu2Si2 have been performed. In this Letter, we report presence of spin reorientation transition below paramagnetic to antiferromagnetic transition temperature (T-N = 19 K). Large magnetic entropy change 9.1 J/kg K and large negative magnetoresistance similar to 21% in a magnetic field of 5 T has been observed around T-N, which is associated with field induced spin-flip metamagnetic transition. (C) 2014 AIP Publishing LLC.
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页数：4
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