Tuning Spin-Orbit Coupling and Superconductivity at the SrTiO3/LaAlO3 Interface: A Magnetotransport Study

被引：328

作者：

Ben Shalom, M. ^{[1
]}

Sachs, M. ^{[1
]}

Rakhmilevitch, D. ^{[1
]}

Palevski, A. ^{[1
]}

Dagan, Y. ^{[1
]}

机构：

[1] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, IL-69978 Tel Aviv, Israel

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 104卷 / 12期

关键词：

CRITICAL-FIELD; ELECTRON-GAS; STATE;

D O I：

10.1103/PhysRevLett.104.126802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The superconducting transition temperature T-c of the SrTiO3/LaAlO3 interface was varied by the electric field effect. The anisotropy of the upper critical field and the normal-state magnetotransport were studied as a function of gate voltage. The spin-orbit coupling energy epsilon(SO) is extracted. This tunable energy scale is used to explain the strong gate dependence of the mobility and of the anomalous Hall signal observed. epsilon(SO) follows T-c for the electric field range under study.

引用

页数：4

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