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Magnetic nanostructures: Supercurrents in ferromagnets

Klapwijk, Teun (2010) Magnetic nanostructures: Supercurrents in ferromagnets. Nature Physics, 6 (5). pp. 329-330. ISSN 1745-2473. doi:10.1038/nphys1664.

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The deeply antagonistic electronic properties of superconductors and ferromagnets give rise to a tough question: what happens to the electron spins of superconducting Cooper pairs at the interface between a superconductor and a ferromagnet? The question poses two experimental challenges. First, in principle there is the need to know the local electronic properties at the interface to a level comparable to that reached in semiconductor heterostructures. Second, there is also a need to identify experimental Cooper-pair-related observables that depend on these interfacial properties. One outstanding property is the observation of a supercurrent through a ferromagnet over a given length, which is incompatible with the standard spin-singlet Cooper pairs. It is called the long-range proximity (LRP) effect. After a few previous indications, the evidence for such an LRP effect is now becoming rapidly stronger with the publication in Nature Physics of a paper by Jian Wang et al., one of the first reports to describe this effect.

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Additional Information:© 2010 Macmillan Publishers Limited.
Group:Keck Institute for Space Studies
Issue or Number:5
Record Number:CaltechAUTHORS:20160311-150503127
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Official Citation:Magnetic nanostructures: Supercurrents in ferromagnets Teun Klapwijk Nature Physics 6, 329 - 330 (2010) doi:10.1038/nphys1664
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:65318
Deposited By: Colette Connor
Deposited On:14 Mar 2016 19:27
Last Modified:10 Nov 2021 23:44

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