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Open AccessArticle

Magnetic Binary Supersaturated Solid Solutions Processed by Severe Plastic Deformation

1
Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, 8700 Leoben, Austria
2
Institute of Physics, University of Graz, 8010 Graz, Austria
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(1), 6; https://doi.org/10.3390/nano9010006
Received: 4 December 2018 / Revised: 13 December 2018 / Accepted: 19 December 2018 / Published: 21 December 2018
(This article belongs to the Special Issue Ferromagnetic and Magnetic Properties of Nanostructures)
Samples consisting of one ferromagnetic and one diamagnetic component which are immiscible at the thermodynamic equilibrium (Co-Cu, Fe-Cu, Fe-Ag) are processed by high-pressure torsion at various compositions. The received microstructures are investigated by electron microscopy and synchrotron X-ray diffraction, showing a microstructural saturation. Results gained from microstructural investigations are correlated to magnetometry data. The Co-Cu samples show mainly ferromagnetic behavior and a decrease in coercivity with increasing Co-content. The saturation microstructure of Fe-Cu samples is found to be dual phase. Results of magnetic measurements also revealed the occurrence of two different magnetic phases in this system. For Fe-Ag, the microstructural and magnetic results indicate that no intermixing between the elemental phases takes place. View Full-Text
Keywords: severe plastic deformation; high-pressure torsion; supersaturation; magnetic properties; nanocrystalline severe plastic deformation; high-pressure torsion; supersaturation; magnetic properties; nanocrystalline
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MDPI and ACS Style

Stückler, M.; Krenn, H.; Pippan, R.; Weissitsch, L.; Wurster, S.; Bachmaier, A. Magnetic Binary Supersaturated Solid Solutions Processed by Severe Plastic Deformation. Nanomaterials 2019, 9, 6.

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