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RESr_2RuCu_2O_8(RE=Gd和Eu)的合成与物性研究 被引量:2
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作者 方明豹 方明虎 +1 位作者 崔玉建 徐政 《中国稀土学报》 CAS CSCD 北大核心 2002年第1期38-40,共3页
报道了磁性超导体RESr2 RuCu2 O8(RE =Gd和Eu)单相样品的合成以及对其结构和物性的研究。结果表明 ,这类化合物的结构和YBa2 Cu3 O7-δ相类似 ;在这两类化合物中 ,超导电性与弱铁磁有序共存 ;两样品铁磁相变温度TM 分别为 136 ,130K ,... 报道了磁性超导体RESr2 RuCu2 O8(RE =Gd和Eu)单相样品的合成以及对其结构和物性的研究。结果表明 ,这类化合物的结构和YBa2 Cu3 O7-δ相类似 ;在这两类化合物中 ,超导电性与弱铁磁有序共存 ;两样品铁磁相变温度TM 分别为 136 ,130K ,超导临界温度TC 分别为 46 ,35K ;由于Gd3 +和Eu3 +离子磁矩的不同 。 展开更多
关键词 稀土 resr2rucu2o8 磁性超导体 合成 结构 超导电性 磁性质
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Synthesis and Study on Physical Properties for Magnetic Superconductor RESr_2RuCu_2O_8 (RE=Gd and Eu)
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作者 方明豹 方明虎 +1 位作者 崔玉建 徐政 《Journal of Rare Earths》 SCIE EI CAS CSCD 2002年第2期116-119,共4页
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
关键词 rare earths RESr 2RuCu 2O 8 magnetic superconductor
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