Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 89, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5016293
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Funding
- Fonds de la Recherche Scientifique-FNRS
- ARC [13/18-08]
- French Community of Belgium (Wallonia-Brussels Federation)
- COST action NanoCoHybri [CA16218]
- Brazilian National Council for Scientific and Technological Development (CNPq)
- Sao Paulo Research Foundation (FAPESP)
- F.R.S.-FNRS
- University of Liege
- EU
- F.R.S.-FNRS [PDR T.0106.16]
- CNPq-CsF Program
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We present a detailed quantitative magneto-optical imaging study of several superconductor/ ferromagnet hybrid structures, including Nb deposited on top of thermomagnetically patterned NdFeB and permalloy/niobium with erasable and tailored magnetic landscapes imprinted in the permalloy layer. The magneto-optical imaging data are complemented with and compared to scanning Hall probe microscopy measurements. Comprehensive protocols have been developed for calibrating, testing, and converting Faraday rotation data to magnetic field maps. Applied to the acquired data, they reveal the comparatively weaker magnetic response of the superconductor from the background of larger fields and field gradients generated by the magnetic layer. Published by AIP Publishing.
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