Synthesis, magnetic and transport properties of Ru1-xSbxSr2GdCu2O8 compounds

被引:2
|
作者
Ilonca, G [1 ]
Patapis, S
Macocian, E
Beiusan, F
Jurcut, T
Stiufiuc, G
Stiufiuc, R
机构
[1] Univ Babes Bolyai, Fac Phys, R-3400 Cluj Napoca, Romania
[2] Univ Athens, Dept Phys, Athens 15785, Greece
[3] Univ Oradea, Fac Sci, Oradea, Romania
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2004年 / 18卷 / 15期
关键词
superconductivity; magnetic susceptibility; X-ray analysis;
D O I
10.1142/S0217979204025312
中图分类号
O59 [应用物理学];
学科分类号
摘要
Polycrystalline samples with a nominal composition Ru1-xSbxSr2GdCu2O8-d were prepared by a solid state reaction technique. A mixture of RuO2, Sb2O3, Gd2O3, SrCO3 and CuO was used to obtain the samples. We performed X-ray diffraction analyses, DC susceptibility and transport measurements and the studies showed that the samples were almost pure Ru-1212 phase. We also observed that Sb doping reduce the conductivity of the system and the transition temperature decreases with increasing Sb content. This may be due to a distortion of RuO6 octahedral which is responsible for the increase of holes localization.
引用
收藏
页码:2177 / 2183
页数:7
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