Antiferromagnetism in the vortex cores of YBa2Cu3O7-δ

V. F. Mitrović*, E. E. Sigmund, William P Halperin, A. P. Reyes, P. Kuhns, W. G. Moulton

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We report spatially resolved nuclear-magnetic-resonance measurements on a high-temperature superconductor that indicate the presence of correlated antiferromagnetic fluctuations in the vortex core. The nuclear-spin-lattice relaxation rate 1/17T1 of planar 17O, in near-optimally doped YB2Cu3O7-δ, was measured. Outside of the core, (17T1T)-1 is independent of temperature consistent with theoretical predictions for a d-wave superconductor. In the vortex core, (17T1T)-1 increases with decreasing temperature following an antiferromagnetic Curie-Weiss law.

Original languageEnglish (US)
Article number220503
Pages (from-to)2205031-2205034
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume67
Issue number22
StatePublished - Jun 1 2003

ASJC Scopus subject areas

  • Condensed Matter Physics

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