高温超导氧化物YBCO的掺杂效应研究进展

Progress of Study on Additive Effect of High-Temperature Oxide YBCO Superconductors

摘要:

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。

Abstract:

The recent developments of additive effect of high-temperature oxide YBCO superconductors were reviewed. The critical current density and transition temperature were improved by chemical addition. The additive can improve the mechanical property and affect precursory powder thermal behavior of YBCO. The research of additive effect can improve applied properties of YBCO .and supply more informations for exploring mechanism of superconductors.