| 合成条件对Bi-Sr-Ca-Cu-O系超导体T_C的影响 |
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| 引用本文： | 覃作样,张彦生.合成条件对Bi-Sr-Ca-Cu-O系超导体T_C的影响[J].大连铁道学院学报,1993(2). |
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| 作者姓名： | 覃作样 张彦生 |
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| 作者单位： | 大连铁道学院材料工程系，大连铁道学院材料工程系 |
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| 摘 要： | 对Bi-sr-Ca-Cu-O系中2212与2223超导相的形成规律和影响其超导电性的因素进行了初步研究。结果表明:在Bi-Sr-Ca-Cu-O系超导体中,当仅形成2212相时,随着组分中(Ca+Cu)原子相对含量的增加,T_C下降,超导相的体积分数减少,氧含量对两个超导相T_C的影响是不相同的,增加试样的氧含量,将使2212相T_C下降,而提高2223相的超导性能。
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| 关 键 词： | 超导体 超导转变 合成条件 氧含量 超导相 |
Effect of Synthesis Conditions on the T_c of Bi-Sr-Ca Cu-O Superconductor |
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| Qin Zuoxiang Zhang Yansheng.Effect of Synthesis Conditions on the T_c of Bi-Sr-Ca Cu-O Superconductor[J].Journal of Dalian Railway Institute,1993(2). |
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| Authors: | Qin Zuoxiang Zhang Yansheng |
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| Institution: | Dept. of Material Engineering |
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| Abstract: | The T_c is shifted down and the volume fraction of superconducting phase is reduced with increasing the percent of (Ca+Cu) atom in the case of only 2212 phase forming in the Bi-Sr-Ca-Cu-O system. The effect of oxygen in 2212 phase on Tc is different form that 2223 phase, the T_c of 2212 phase was lowed and superconducting properties of 2223 phase was improved by increasing oxygen content of samples. |
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| Keywords: | superconductors superconducting transitions/synthesis conditions oxygen content superconducting phase |
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