Electric field control of the LaAlO3/SrTiO3 interface ground state

被引：0

作者：

A. D. Caviglia

S. Gariglio

N. Reyren

D. Jaccard

T. Schneider

M. Gabay

S. Thiel

G. Hammerl

J. Mannhart

J.-M. Triscone

机构：

[1] University of Geneva,Département de Physique de la Matière Condensée

[2] 24 Quai Ernest-Ansermet,undefined

[3] 1211 Genève 4,undefined

[4] Switzerland,undefined

[5] Physikinstitut,undefined

[6] University of Zurich,undefined

[7] Winterthurerstrasse 190,undefined

[8] 8057 Zurich,undefined

[9] Switzerland ,undefined

[10] Laboratoire de Physique des Solides,undefined

[11] Bat 510,undefined

[12] Université Paris-Sud 11,undefined

[13] Centre d’Orsay,undefined

[14] 91405 Orsay Cedex,undefined

[15] France ,undefined

[16] Experimental Physics VI,undefined

[17] Center for Electronic Correlations and Magnetism,undefined

[18] Institute of Physics,undefined

[19] University of Augsburg,undefined

来源：

Nature | 2008年 / 456卷

关键词：

D O I：

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学科分类号：

摘要：

It has been a long-standing goal in applied physics to construct devices in which superconductivity can be switched on and off with an electric field. In the past few years, a promising candidate has emerged; interfaces between complex oxides, in which a variety of electronic phases can be obtained. It was recently shown that the conducting interface between LaAlO3 and SrTiO3 (both in bulk form are insulators) can become superconducting. Caviglia et al. now use the electric field effect, which tunes the charge carrier density, to explore the phase diagram of the system. A remarkable feature is that superconductivity can be switched on and off, driving a quantum phase transition between a two-dimensional superconducting and insulating state.

引用

页码：624 / 627

页数：3

共 50 条

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