Coexistence of superconductivity and ferromagnetism in Sr0.5Ce0.5FBiS2
Lin Li, Yuke Li, Yuefeng Jin, Haoran Huang, Bin Chen, Xiaofeng Xu, Jianhui Dai, Li Zhang, Xiaojun Yang, Huifei Zhai, Guanghan Cao, Zhuan Xu
DOI 10.1103/PhysRevB.91.014508 · Physical Review B
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Abstract
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 ∼7.5 K, followed by a superconducting transition with the critical temperature Tc∼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.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr0.5Ce0.5FBiS2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.8 | Pressure not reported | onset |
| Sr0.5Ce0.5FBiS2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.8 | Pressure not reported | onset |
| Sr0.5Ce0.5FBiS2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.8 | Pressure not reported | onset |
| Bi4O4S3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8.6 | Pressure not reported | unknown |
| Sr1-xLaxFBiS2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 2.8 | Pressure not reported | unknown |
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