Spins in the vortices of a high-temperature superconductor

Research output: Contribution to journalJournal article – Annual report year: 2001Researchpeer-review

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Neutron scattering is used to characterize the magnetism of the vortices for the optimally doped high-temperature superconductor La2-xSrxCuO4 (x = 0.163) in an applied magnetic field. As temperature is reduced, Low-frequency spin fluctuations first disappear with the loss of vortex mobility, but then reappear. We find that the vortex state can be regarded as an inhomogeneous mixture of a superconducting spin fluid and a material containing a nearly ordered antiferromagnet. These experiments show that as for many other properties of cuprate superconductors, the important underlying microscopic forces are magnetic.
Original languageEnglish
JournalScience
Volume291
Issue number5509
Pages (from-to)1759-1762
ISSN0036-8075
DOIs
Publication statusPublished - 2001
CitationsWeb of Science® Times Cited: No match on DOI
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