Single phase magnetic superconductors RESr 2RuCu 2O 8 (RE=Gd and Eu) were successfully synthesized and investigations on their physical properties were carried out. It is found that the structure of the compounds ...Single phase magnetic superconductors RESr 2RuCu 2O 8 (RE=Gd and Eu) were successfully synthesized and investigations on their physical properties were carried out. It is found that the structure of the compounds is similar to that of YBa 2Cu 3O 7 and its superconductivity coexists with weak ferromagnetic order in both compounds. The compounds exhibit magnetic order below T M=130 and 136 K and superconducting below T onset C=35 and 46 K, respectively, for RE=Eu and Gd samples. There is slight difference in the magnetic properties between RE=Eu and Gd compounds owing to various magnetic moments for Gd 3+ and Eu 3+ .展开更多
文摘Single phase magnetic superconductors RESr 2RuCu 2O 8 (RE=Gd and Eu) were successfully synthesized and investigations on their physical properties were carried out. It is found that the structure of the compounds is similar to that of YBa 2Cu 3O 7 and its superconductivity coexists with weak ferromagnetic order in both compounds. The compounds exhibit magnetic order below T M=130 and 136 K and superconducting below T onset C=35 and 46 K, respectively, for RE=Eu and Gd samples. There is slight difference in the magnetic properties between RE=Eu and Gd compounds owing to various magnetic moments for Gd 3+ and Eu 3+ .
