Oxide superconducting spintronics: the age of the interface

一些化合物表现出内在的三重态（p波）超导性，如Sr2RuO4 (SRO) [Nature 372,532(1994)]。SRO中的三重态配对是偶频的，与s波超导体上铁磁体中诱导的奇频三重态配对在概念上是不同的。然而，有理论预测可以在表面诱导替代配对状态，这提高了通过界面工程接近效应耦合不同超导状态的前景。本博士的目标是促进对超导氧化物界面和邻近效应的理解，以研究新型超导性并将其应用于超导状态下的自旋/电荷转换控制。这项研究将涉及氧化薄膜的原子控制生长和器件制造以及理论建模。

A few compounds show intrinsic triplet (p-wave) superconductivity, such as Sr2RuO4 (SRO) [Nature 372, 532 (1994)]. The triplet pairing in SRO is even-frequency and is conceptually different to the odd-frequency triplet pairing induced in ferromagnets on s-wave superconductors. However, there are theoretical predictions that alternative pairing states can be induced at surfaces, which raise the prospect of coupling different superconducting states via interface-engineered proximity effects. The aim of this PhD is to advance the understanding of superconducting oxide interfaces and proximity effects in order to investigate novel superconductivity and to apply it to control spin/charge conversion in the superconducting state. The research will involve atomic-controlled growth of oxide thin films and device fabrication as well as theory modelling.