Delta-doped LaAlO3/SrTiO3 interfaces

被引：37

作者：

Fix, T. ^{[1
]}

MacManus-Driscoll, J. L. ^{[1
]}

Blamire, M. G. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Mat Sci, Cambridge CB2 3QZ, England

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 17期

关键词：

cobalt; doping profiles; Hall effect; interface phenomena; lanthanum compounds; manganese; strontium compounds; two-dimensional electron gas; vacancies (crystal); HETEROSTRUCTURES; FERROMAGNETISM; MOBILITY; OXIDES; FILM;

D O I：

10.1063/1.3126445

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The quasi-two-dimensional electron gases formed at the interface between insulators such as SrTiO3/LaAlO3 are predicted to arise from an interfacial electronic reconstruction, but the extent to which oxygen vacancies within the substrate contribute to the conduction remains unclear. We show that delta-doping the interface with transition metal cations dramatically alters the properties and supports the model of a highly two-dimensional charge sheet.

引用

页数：3

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