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FIRST PHD THESIS WITH RESULTS MEASURED AT BOREAS

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Eduardo Solano, from the Universitat Autònoma de Barcelona (UAB) and the Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), obtained his PhD degree last November 2013 with a work about the synthesis of nanoparticles and the generation of new nanocomposite superconducting layers. Some of the measurements were acquired at BOREAS beamline in ALBA Synchrotron.

The objective of his PhD study was to generate new nanocomposite superconducting layers with magnetic ferrite nanoparticles embedded within the structure. To do so, he developed a new synthetic methodology to produce MnFe2O4 nanoparticles and embedded these nanostructures inside YBa2Cu3O7-δ superconducting layers.
He used synchrotron radiation techniques, in particular X-Ray Magnetic Circular Dichroism (XMCD) at BOREAS beamline in ALBA to deeply study the structure, composition and behavior of the new nanoparticles in the nanocomposite.

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Figure 1. MnFe2O4 magnetic nanoparticles embedded in the YBa2Cu3O7-δ superconducting matrix.


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Figure 2. MnFe2O4 XMCD spectra obtained in BOREAS beamline: left, Fe edge; right, Mn edge.



Reference: “Synthesis and characterisation of ferrite nanoparticles for YBa2Cu3O7-d –Nanocomposite superconducting layers: a neutron and synchrotron study”, Eduardo Solano, directors: Susana Ricart Miró (ICMAB-CSIC) and Josep Ros Badosa (UAB).


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