Adjustable superconducting anisotropy in superconductor-ferromagnet bilayers.
Conference
·
· IEEE Trans. Appl. Supercond.
We demonstrate novel magneto-transport properties of magnetically coupled superconductor-ferromagnet (MoGe/Permalloy) bilayers. Ferromagnetic Permalloy film exhibiting stripe domains with rotatable anisotropy induces modulation of the order parameter in the superconducting thin film. Domain-wall superconductivity is localized above the magnetic domain walls forming mesoscopic superfluid channels. We can achieve non-volatile re-configuration of the in-plane direction of the superconducting channels by changing the orientation of the stripe domains in the Permalloy. We discuss the influence of magnetic domain structure on Abrikosov vortex dynamics in this system.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 962887
- Report Number(s):
- ANL/MSD/CP-64232; TRN: US200916%%414
- Journal Information:
- IEEE Trans. Appl. Supercond., Vol. 19, Issue 3 ; Jun. 2009; Conference: 2008 Applied Superconductivity Conference; Aug. 17, 2008 - Aug. 22, 2008; Chicago, IL
- Country of Publication:
- United States
- Language:
- ENGLISH
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