Vortex pinning by magnetic order in ErNi2B2C

C. D. Dewhurst; S. S. James; R. A. Doyle; Y. Paltiel; H. Shtrikman; E. Zeldov; D. McK. Paul

doi:10.1103/PhysRevB.63.060501

Vortex pinning by magnetic order in ErNi₂B₂C

C. D. Dewhurst, S. S. James, R. A. Doyle, Y. Paltiel, H. Shtrikman, E. Zeldov, D. McK. Paul

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We have used a miniature linear Hall probe array to make local magnetization measurements of the magnetic superconductor ErNi₂B₂C (T_c≃10.8 K). We show the sharp onset of significant pinning effects in ErNi₂B₂C is coincident with the onset of an a-axis incommensurate ordering of the Er moments at T_a/^m≃6 K, below T_c. The data presented provide further evidence that certain components of the magnetic order in (R)Ni₂B₂C materials interact with the vortex lattice and have a profound influence on the nonequilibrium (vortex pinning) properties of the superconducting state.

Original language	English
Article number	060501
Pages (from-to)	605011-605014
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	63
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.63.060501
State	Published - 2001
Externally published	Yes

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abstract = "We have used a miniature linear Hall probe array to make local magnetization measurements of the magnetic superconductor ErNi2B2C (Tc≃10.8 K). We show the sharp onset of significant pinning effects in ErNi2B2C is coincident with the onset of an a-axis incommensurate ordering of the Er moments at Ta/m≃6 K, below Tc. The data presented provide further evidence that certain components of the magnetic order in (R)Ni2B2C materials interact with the vortex lattice and have a profound influence on the nonequilibrium (vortex pinning) properties of the superconducting state.",

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AU - Dewhurst, C. D.

AU - James, S. S.

AU - Doyle, R. A.

AU - Paltiel, Y.

AU - Shtrikman, H.

AU - Zeldov, E.

AU - McK. Paul, D.

PY - 2001

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AB - We have used a miniature linear Hall probe array to make local magnetization measurements of the magnetic superconductor ErNi2B2C (Tc≃10.8 K). We show the sharp onset of significant pinning effects in ErNi2B2C is coincident with the onset of an a-axis incommensurate ordering of the Er moments at Ta/m≃6 K, below Tc. The data presented provide further evidence that certain components of the magnetic order in (R)Ni2B2C materials interact with the vortex lattice and have a profound influence on the nonequilibrium (vortex pinning) properties of the superconducting state.

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Vortex pinning by magnetic order in ErNi₂B₂C

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