台湾大学林昭吟教授将做一个系列报告
第三场报告时间:6月19日上午10:00
报告地点:唐仲英楼A213
报告题目:Proximity effect in manganite/high-Tc superconductor heterostructures
欢迎有兴趣的老师和课题组同学参加。
Abstract
The interplay of superconductivity and magnetism is a long-standing topic that attracts not only the academic but also the industrial interest. In particular, the high temperature superconductor with the superconducting transition Tc above the temperature of liquid nitrogen retains as a strong candidate for various practical applications, such as temperature sensor, current filter and quantum computation. In this study, the layer of YBCO is fabricated in contact with various manganites (so called F-, C- and A-type) and formed as herostructures. Their structural, electrical and magnetic properties are investigated. The thickness of manganite is used to fine tune the strength of effective exchange field. Interestingly, the proximity effect of manganite on superconductivity is observed with different fashions in different type of herostructures. Some surprising phenomenon are observed and ascribed to the modulation of superconducting gap.