Coexistence of superconductivity and ferromagnetism in Sr0.5Ce0.5FBiS2

被引：39

作者：

Li, Lin ^{[1
]}

Li, Yuke ^{[1
]}

Jin, Yuefeng ^{[1
]}

Huang, Haoran ^{[1
]}

Chen, Bin ^{[1
]}

Xu, Xiaofeng ^{[1
]}

Dai, Jianhui ^{[1
]}

Zhang, Li ^{[2
]}

Yang, Xiaojun ^{[3
,4
]}

Zhai, Huifei ^{[3
,4
]}

Cao, Guanghan ^{[3
,4
]}

Xu, Zhuan ^{[3
,4
]}

机构：

[1] Hangzhou Normal Univ, Dept Phys, Hangzhou 310036, Zhejiang, Peoples R China

[2] China Jiliang Univ, Dept Phys, Hangzhou 310018, Peoples R China

[3] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

[4] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China

来源：

PHYSICAL REVIEW B | 2015年 / 91卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.91.014508

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Through the combination of x-ray diffraction, electrical transport, magnetic susceptibility, and heat capacity measurements, we studied the effect of Ce doping in the newly discovered SrFBiS2 system. It is found that Sr0.5Ce0.5FBiS2 undergoes a second-order transition below similar to 7.5 K, followed by a superconducting transition with the critical temperature T-c similar to 2.8 K. Our transport, specific heat, and dc-magnetization results suggest the presence of bulk ferromagnetic correlation of Ce ions below 7.5 K that coexist with superconductivity when the temperature is further lowered below 2.8 K.

引用

页数：5

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