Tc, Jc and Rs properties of large area double sided YBCO thin films deposited on LaAlO3 substrates by direct current sputtering were reported.Film thickness of the obtained thin films is over 300 nm, Tc > 90 K; Rs ...Tc, Jc and Rs properties of large area double sided YBCO thin films deposited on LaAlO3 substrates by direct current sputtering were reported.Film thickness of the obtained thin films is over 300 nm, Tc > 90 K; Rs can be as low as less than 1.0 mΩ(77 K, 10 GHz).Homogenousity of the properties around the plane was studied.Under the measnous distributions.Influences of substrate temperature and Ar and O2 pressures on properties of the double-sided thin films were discussed.展开更多
本文研究了以La Al O3(铝酸镧)为基片的YBCO(钇钡铜氧)矩形双面薄膜制作的微型电阻型超导直流限流器,通过短路实验测试了不同情况下限流器产生的失超电阻,并在此基础上进一步研究了其失超回复过程。YBCO双面薄膜产生的失超电阻较大,失...本文研究了以La Al O3(铝酸镧)为基片的YBCO(钇钡铜氧)矩形双面薄膜制作的微型电阻型超导直流限流器,通过短路实验测试了不同情况下限流器产生的失超电阻,并在此基础上进一步研究了其失超回复过程。YBCO双面薄膜产生的失超电阻较大,失超回复较快,通过短路实验测试薄膜在不同情况下的失超回复时间,发现其能够实现在自动重合闸动作之前回复超导态。展开更多
本文对以La Al O3(铝酸镧)为基片的YBCO(铱钡铜氧)矩形双面薄膜进行微细加工和安装,制成微型电阻型超导直流限流器。在此基础上搭建实验电路,对其开展实验研究,深入分析了不同结构薄膜的直流短路过程。高温超导双面薄膜失超后内部磁、...本文对以La Al O3(铝酸镧)为基片的YBCO(铱钡铜氧)矩形双面薄膜进行微细加工和安装,制成微型电阻型超导直流限流器。在此基础上搭建实验电路,对其开展实验研究,深入分析了不同结构薄膜的直流短路过程。高温超导双面薄膜失超后内部磁、热变化复杂,本文通过短路实验研究从整体上掌握其直流限流特性,验证了该类型限流器的可行性。展开更多
文摘Tc, Jc and Rs properties of large area double sided YBCO thin films deposited on LaAlO3 substrates by direct current sputtering were reported.Film thickness of the obtained thin films is over 300 nm, Tc > 90 K; Rs can be as low as less than 1.0 mΩ(77 K, 10 GHz).Homogenousity of the properties around the plane was studied.Under the measnous distributions.Influences of substrate temperature and Ar and O2 pressures on properties of the double-sided thin films were discussed.
文摘本文研究了以La Al O3(铝酸镧)为基片的YBCO(钇钡铜氧)矩形双面薄膜制作的微型电阻型超导直流限流器,通过短路实验测试了不同情况下限流器产生的失超电阻,并在此基础上进一步研究了其失超回复过程。YBCO双面薄膜产生的失超电阻较大,失超回复较快,通过短路实验测试薄膜在不同情况下的失超回复时间,发现其能够实现在自动重合闸动作之前回复超导态。
文摘本文对以La Al O3(铝酸镧)为基片的YBCO(铱钡铜氧)矩形双面薄膜进行微细加工和安装,制成微型电阻型超导直流限流器。在此基础上搭建实验电路,对其开展实验研究,深入分析了不同结构薄膜的直流短路过程。高温超导双面薄膜失超后内部磁、热变化复杂,本文通过短路实验研究从整体上掌握其直流限流特性,验证了该类型限流器的可行性。
