EuSr_2RuCu_2O_8的超导电性和磁性(英文)

SUPERCONDUCTIVITY AND MAGNETIC PROPERTY IN EuSr_2RuCu_2O_8

研究了铁磁性超导体ＥｕＳｒ２ＲｕＣｕ２Ｏ８的结构、超导电性和磁性．结果表明，该化合物为欠掺杂超导体，其超导转变起始温度为Ｔ_ｃ～ｏｎｓｅｔ＝３５Ｋ，零电阻温度为Ｔｃ（ρ＝０）＝１０Ｋ，铁磁转变居里温度为Ｔｃ＝１３０．２Ｋ．

X-ray diffraction, resistivity, magnetization measurements were carried out for the ferromagnetic superconductor EuSr2RuCu2O8. The temperature dependence of resistivity shows that this compound is an under-doped superconductor with Tonsetc=35K, Tc(p=0)=10K. The magnetization data show that this compound exhibits the ferromagnetic transition at Tc=130.2K.