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Superconducting Interfaces Between Insulating Oxides

Thiel, S.
Kourkoutis, L. F.
Hammerl, G.
Richter, C.
Schneider, C. W.
Kopp, T.
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Published in Science. 2007, vol. 317, no. 5842, p. 1196-1199
Abstract 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 ≅ 200 millikelvin provides a strict upper limit to the thickness of the superconducting layer of ≅ 10 nanometers.
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REYREN, Nicolas et al. Superconducting Interfaces Between Insulating Oxides. In: Science, 2007, vol. 317, n° 5842, p. 1196-1199. doi: 10.1126/science.1146006 https://archive-ouverte.unige.ch/unige:35739

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Deposited on : 2014-04-15

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