Topological textures in a ferromagnet-superconductor bilayer.
Journal Article
·
· Phys. Rev. Lett.
OSTI ID:949381
The homogeneous state of a ferromagnet-superconductor bilayer (FSB) with the magnetization perpendicular to the layer can be unstable with respect to the formation of vortices in the superconducting layer. The developing topological instability in the FSB leads to formation of domains in which the direction of the magnetization in the magnetic film and the direction of vorticity in the superconducting film alternate together. This is a new, combined topological structure, which does not appear in isolated layers. Equilibrium domains can appear in the FSB even if the single magnetic film is in a monodomain state.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 949381
- Report Number(s):
- ANL/MSD/JA-40438; PRLTAO; TRN: US1003510
- Journal Information:
- Phys. Rev. Lett., Vol. 88, Issue 1 ; Jan. 7, 2002; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- ENGLISH
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