Flux pinning mechanisms in (formula presented)

H. Shtrikman, S. S. James, A. M. Campbell, C. D. Dewhurst, S. B. Field, D. Mc K. Paul, E. Zeldov, Y. Paltiel

Research output: Contribution to journalArticlepeer-review

Abstract

We present local Hall probe measurements of the superconducting and magnetically ordered material (formula presented) (formula presented) (formula presented) The onset of incommensurate antiferromagnetic order at (formula presented) within the superconducting state, results in an increase in vortex pinning for (formula presented) For (formula presented) no increase in pinning is observed at (formula presented) consistent with the notion of vortex pinning by planar magnetic domain boundaries for (formula presented) The development of a weak ferromagnetic component below (formula presented) results in a further increase in pinning for both orientations, suggesting that a different mechanism is responsible for this second increase at lower temperatures.

Original languageAmerican English
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number9
DOIs
StatePublished - 2001
Externally publishedYes

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