综述了近10年来高温超导氧化物YBCO掺杂效应研究的进展.通过化学掺杂不但能提高YBCO的临界电流密度和临界转变温度等超导性能,而且能改善超导体的力学性能和影响晶体生长的热力学行为等.掺杂效应的研究使YBCO的应用性能得到了提高,同时为研究超导机制提供了更多的理论信息.
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