[Les ruthenocuprates : des multicouches supraconducteurs–ferromagnétiques naturelles]
Découverts récemment, les ruthenocuprates ont suscité un intérêt énorme à cause de la coexistence d'un ordre supraconducteur et ferromagnétique. Dans ces matériaux, la phase magnétique apparaît autour de 125–145 K et la phase supraconductrice entre 15 et 50 K. Les couches de CuO2 sont supraconductrices et ce sont les couches interstitielles de RuO2 qui sont ordonnées magnétiquement. Dans cet article nous résumons quelques-unes des propriétés cristallographiques, magnétiques et supraductrices des ruthenocuprates déduites des études sur des échantillons polycristallins ainsi que sur des monocristaux.
The recently discovered ruthenocuprates have attracted great interest because of the microscopic coexistence of superconducting and ferromagnetic order. Typically, these materials become magnetically ordered at temperatures around 125–145 K and superconductivity sets in between 15 and 50 K. While superconductivity arises in the CuO2 layers, the RuO2 layers in between order magnetically. In this article we summarize some of the crystallographic, magnetic and superconducting properties of the ruthenocuprates, as obtained from investigations on polycrystalline samples as well as single crystals.
Mots-clés : Supraconductivité, Magnétisme, Ruthenocuprate, Multicouches
Timo Nachtrab 1 ; Christian Bernhard 2 ; Chengtian Lin 2 ; Dieter Koelle 1 ; Reinhold Kleiner 1
@article{CRPHYS_2006__7_1_68_0,
author = {Timo Nachtrab and Christian Bernhard and Chengtian Lin and Dieter Koelle and Reinhold Kleiner},
title = {The ruthenocuprates: natural superconductor{\textendash}ferromagnet multilayers},
journal = {Comptes Rendus. Physique},
pages = {68--85},
publisher = {Elsevier},
volume = {7},
number = {1},
year = {2006},
doi = {10.1016/j.crhy.2005.11.010},
language = {en},
}
TY - JOUR AU - Timo Nachtrab AU - Christian Bernhard AU - Chengtian Lin AU - Dieter Koelle AU - Reinhold Kleiner TI - The ruthenocuprates: natural superconductor–ferromagnet multilayers JO - Comptes Rendus. Physique PY - 2006 SP - 68 EP - 85 VL - 7 IS - 1 PB - Elsevier DO - 10.1016/j.crhy.2005.11.010 LA - en ID - CRPHYS_2006__7_1_68_0 ER -
%0 Journal Article %A Timo Nachtrab %A Christian Bernhard %A Chengtian Lin %A Dieter Koelle %A Reinhold Kleiner %T The ruthenocuprates: natural superconductor–ferromagnet multilayers %J Comptes Rendus. Physique %D 2006 %P 68-85 %V 7 %N 1 %I Elsevier %R 10.1016/j.crhy.2005.11.010 %G en %F CRPHYS_2006__7_1_68_0
Timo Nachtrab; Christian Bernhard; Chengtian Lin; Dieter Koelle; Reinhold Kleiner. The ruthenocuprates: natural superconductor–ferromagnet multilayers. Comptes Rendus. Physique, Superconductivity and magnetism, Volume 7 (2006) no. 1, pp. 68-85. doi : 10.1016/j.crhy.2005.11.010. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2005.11.010/
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