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首页> 外文期刊>Physica, C. Superconductivity and its applications >Effects of RE2O3 (RE = Tm, Sc, Yb) addition on the superconducting properties of ErBa2Cu3Oy
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Effects of RE2O3 (RE = Tm, Sc, Yb) addition on the superconducting properties of ErBa2Cu3Oy

机译:添加RE2O3(RE = Tm,Sc,Yb)对ErBa2Cu3Oy超导性能的影响

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摘要

We investigated the effects of added Tm2O3, Sc2O3, and Yb2O3 on the superconducting properties of sintered Er123 samples. Tm2O3 addition caused the least T-c degradation, exhibiting a T-c above 90 K even for 17 vol% addition. Samples with added Sc2O3 maintained a Tc at above 90 K up to an addition of 7.2 vol%, while Yb2O3-containing samples showed a monotonic decrease in T, with increased vol% of added Yb2O3. Tm2O3-containing samples exhibited a slight increase in J(c)(0.1 T)/J(c)(0) and had constant J(c) values even for 17 vol% addition. XRD and SEM results indicate that the Tm2O3 is very stable in the superconducting matrix.
机译:我们研究了添加的Tm2O3,Sc2O3和Yb2O3对烧结Er123样品超导性能的影响。加入Tm2O3引起的T-c降解最少,即使加入17%(体积),其T-c仍高于90K。添加Sc2O3的样品将Tc维持在90 K以上,最高添加量为7.2 vol%,而含Yb2O3的样品显示T的单调降低,而添加的Yb2O3的体积%增加。含Tm2O3的样品的J(c)(0.1 T)/ J(c)(0)略有增加,即使添加17%(体积)也具有恒定的J(c)值。 XRD和SEM结果表明Tm2O3在超导基质中非常稳定。

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