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Room-temperature large magnetocaloric effect and critical behavior in La0.6Dy0.1Sr0.3MnO3

文献类型：期刊论文

作者Xu, Lisha1; Chen, Lili1; Fan, Jiyu1; Baerner, Klaus2; Zhang, Lei3; Zhu, Yan1; Pi, Li3; Zhang, Yuheng3; Shi, Daning1
刊名CERAMICS INTERNATIONAL
出版日期2016-05-15
卷号42期号:7页码:8234-8239
关键词Manganite Magnetocaloric Effect Phase Transitions
DOI10.1016/j.ceramint.2016.02.035
文献子类Article
英文摘要The effect of dysprosium incorporation in La0.7Sr0.3MnO3 perovskite manganite on its magnetic properties, magnetocaloric effect and critical behavior was investigated. The temperature dependent magnetization data exhibit a sharp paramagnetic-ferromagnetic transition at T-c=307 K, which nature has been identified to be a second-order transition by the scaling laws for magnetocaloric effect. The maximum magnetic entropy change and the relative cooling power are found to be, respectively, 8.314 J/kg K and 187 J/kg for a 5 T magnetic field change without a hysteresis loss, making this material a promising candidate for magnetic refrigeration at room temperature. To study the critical behavior of the paramagnetic-ferromagnetic transition, some related critical exponents (beta, gamma, and delta) have been also calculated. The values of critical exponents indicate that the present phase transition does not belong to the common transition classes but shows some abnormal variation. We suggest that the induced lattice disordering and magnetic disordering due to Dysprosium incorporation are essential reasons for the presence of a large magnetocaloric effect and of an anomalous ferromagnetic phase transition in the present material (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
WOS关键词MAGNETIC ENTROPY CHANGE ; MAGNETORESISTANCE ANOMALIES ; SINGLE-CRYSTAL ; MANGANITE ; TRANSITION ; REFRIGERATION ; LA1-XSRXMNO3 ; ALLOYS
WOS研究方向Materials Science
语种英语
WOS记录号WOS:000374075300048
资助机构National Nature Science Foundation of China(11574322 ; National Nature Science Foundation of China(11574322 ; National Nature Science Foundation of China(11574322 ; National Nature Science Foundation of China(11574322 ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; 11204131 ; 11204131 ; 11204131 ; 11204131 ; 11204270 ; 11204270 ; 11204270 ; 11204270 ; U1332140) ; U1332140) ; U1332140) ; U1332140) ; National Nature Science Foundation of China(11574322 ; National Nature Science Foundation of China(11574322 ; National Nature Science Foundation of China(11574322 ; National Nature Science Foundation of China(11574322 ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; Foundation for Users with Potential of Hefei Science Center (CAS)(2015HSC-UP001) ; 11204131 ; 11204131 ; 11204131 ; 11204131 ; 11204270 ; 11204270 ; 11204270 ; 11204270 ; U1332140) ; U1332140) ; U1332140) ; U1332140)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22361]  
专题合肥物质科学研究院_中科院强磁场科学中心
作者单位1.Nanjing Univ Aeronaut & Astronaut, Dept Appl Phys, Nanjing 210016, Jiangsu, Peoples R China
2.Univ Gottingen, Dept Phys, Tammanstr 1, D-37077 Gottingen, Germany
3.Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Lisha,Chen, Lili,Fan, Jiyu,et al. Room-temperature large magnetocaloric effect and critical behavior in La0.6Dy0.1Sr0.3MnO3[J]. CERAMICS INTERNATIONAL,2016,42(7):8234-8239.
APA Xu, Lisha.,Chen, Lili.,Fan, Jiyu.,Baerner, Klaus.,Zhang, Lei.,...&Shi, Daning.(2016).Room-temperature large magnetocaloric effect and critical behavior in La0.6Dy0.1Sr0.3MnO3.CERAMICS INTERNATIONAL,42(7),8234-8239.
MLA Xu, Lisha,et al."Room-temperature large magnetocaloric effect and critical behavior in La0.6Dy0.1Sr0.3MnO3".CERAMICS INTERNATIONAL 42.7(2016):8234-8239.

入库方式： OAI收割

来源：合肥物质科学研究院

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