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Vortex-lattice transitions in YNi2B2C: Nature of the 45-degree reorientation
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UNSPECIFIED (2002) Vortex-lattice transitions in YNi2B2C: Nature of the 45-degree reorientation. PHYSICAL REVIEW B, 66 (1). -. doi:10.1103/PhysRevB.66.014515 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.66.014515
Abstract
High-resolution small-angle neutron-scattering (SANS) studies of the vortex lattice (VL) in single-crystal YNi2B2C allows us to separate Bragg scattered intensities from the multidomain VL that exists for Bparallel toc. A precise determination of the VL unit-cell apex angle, beta, shows that there is a finite transition width associated with the field-driven 45degrees reorientation of the VL at a field H-1. Low- and high-field rhombic VL phases coexist over a finite range of applied field with no continuous distortion of the VL between the two phases. The smooth variation in scattered intensity from each phase through the transition indicates a redistribution of domain populations between the low- and high-field vortex structures. Our data supports the notion of a first-order reorientation phase transition in the VL at H-1 in the presence of weak static disorder (vortex pinning).
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | PHYSICAL REVIEW B | ||||
| Publisher: | AMERICAN PHYSICAL SOC | ||||
| ISSN: | 1098-0121 | ||||
| Official Date: | 1 July 2002 | ||||
| Dates: |
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| Volume: | 66 | ||||
| Number: | 1 | ||||
| Number of Pages: | 6 | ||||
| Page Range: | - | ||||
| DOI: | 10.1103/PhysRevB.66.014515 | ||||
| Publication Status: | Published |
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