Subsurface bending and reorientation of tilted vortex lattices in bulk isotropic superconductors due to Coulomb-like repulsion at the surface
E. Herrera, I. Guillamón, J. A. Galvis, A. Correa, A. Fente, S. Vieira, H. Suderow, A. Yu. Martynovich, V. G. Kogan
DOI 10.1103/PhysRevB.96.184502 · Physical Review B
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Abstract
We study vortex lattices (VLs) in superconducting weak-pinning platelet-like single crystals of β−Bi2Pd in tilted magnetic fields with a scanning tunneling microscope. We show that vortices exit the sample perpendicular to the surface and are thus bent beneath the surface. The structure and orientation of the tilted VLs in the bulk are, for large tilt angles, strongly affected by Coulomb-type intervortex repulsion at the surface due to stray magnetic fields.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Bi2Pd Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 5 | Pressure not reported | unknown |
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