Magnetic phase transitions and magnetocaloric properties of Gd5Si0.41n3.6 compound

摘要：

　　The magnetic phase transitions and magnetocaloric properties of GdsSi0.4In3.6 compound have been investigated.Magnetothermal measurements performed at different conditions reveal that the sample undergoes two magnetic phase transitions.One is a second-order transition from paramagnetic to ferromagnetic state at about 197 K, the other is a first-order transition when the temperature is reduced to 75 K.The magnetocaloric effect around Curie temperature (TC) was calculated in terms of isothermal magnetic entropy change by using Maxwells equation, which remains over a quite wide temperature span of 70 K between the temperature region froml60 to 240 K, and thus makes this material attractive for magnetic refrigerator applications.

关键词： Gd5Si0.4In3.6 compound magnetocaloric effect magnetic entropy change

作者: C.Jing B.Lu X.L.Wang D.H.Yu Y.J.Yang B.J.Kang S.X.Cao J.C.Zhang Z.Li J.Zhu

作者单位: Department of Physics,Shanghai University,Shanghai 200444,P.R.China Laboratory for Microstructures,Shanghai University,Shanghai 200444,P.R.China College of Physics and Electronic Engineering,Key Laboratory of Yunnan Higher Education Institutes f State Key Laboratory of Surface Physics and Department of Physics,Fudan University,Shanghai 200433,P

会议类型: 国际会议

会议名称: 2012 China Functional Materials Technology and Industry Forum(2012中国功能材料科技与产业高层论坛)(CFMTIF2012)

会议地点: 昆明

会议语种:英文

页码: 67-71

在线出版日期: 2012-11-09（万方平台首次上网日期，不代表论文的发表时间）