Gd substitution effect on the formation of Bi-based superconducting glass ceramics

被引：3
|
作者：
Pop, M [1 ]
Borodi, G
Deac, IG
Simon, S
机构：
[1] Univ Babes Bolyai, Dept Phys, R-3400 Cluj Napoca, Romania
[2] Inst Isotop & Mol Technol, Cluj Napoca 3400, Romania
来源：
MODERN PHYSICS LETTERS B | 2000年 / 14卷 / 02期
关键词：
D O I：
10.1142/S0217984900000100
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effect of calcium substitution by gadolinium on the superconducting phases formation in BSCCO-type compounds is studied by X-ray diffraction and ac susceptibility measurements on the undoped and Gd-doped Bi1.8Pb0.2Sr2CaCu2Oz and Bi1.8Pb0.2Sr2Ca2Cu3Oz systems. The addition of gadolinium to the samples favors the 2212 phase formation in both 2212 and 2223 starting compositions. It is suggested that a correlation exists between the stabilization effect of gadolinium on the 2212 phase formation and the Gd3+ coordination in oxide compounds.
引用
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页码：59 / 63
页数：5
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