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Superconducting interfaces between insulating oxides

被引：2395
作者：
Reyren, N.
Thiel, S.
Caviglia, A. D.
Kourkoutis, L. Fitting
Hammerl, G.
Richter, C.
Schneider, C. W.
Kopp, T.
Ruetschi, A.-S.
Jaccard, D.
Gabay, M.
Muller, D. A.
Triscone, J.-M.
Mannhart, J. [1 ]
机构：
[1] Univ Augsburg, Inst Phys, Ctr Elect Correlat & Magnetism, D-86135 Augsburg, Germany
[2] Univ Geneva, Dept Phys Mat Condensee, CH-1211 Geneva, Switzerland
[3] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA
[4] Univ Paris Sud 11, Phys Solides Lab, F-91405 Orsay, France
来源：
SCIENCE | 2007年 / 317卷 / 5842期
关键词：
D O I：
10.1126/science.1146006
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
At interfaces between complex oxides, electronic systems with unusual electronic properties can be generated. We report on superconductivity in the electron gas formed at the interface between two insulating dielectric perovskite oxides, LaAlO3 and SrTiO3. The behavior of the electron gas is that of a two-dimensional superconductor, confined to a thin sheet at the interface. The superconducting transition temperature of congruent to 200 millikelvin provides a strict upper limit to the thickness of the superconducting layer of congruent to 10 nanometers.
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页码：1196 / 1199
页数：4
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