Relatore: Prof. J. Ping Liu, Department of Physics, University of Texas at Arlington (USA)

J. Ping Liu received his Ph. D degree in Applied Physics at the Van Der Waals – Zeeman Institute, the University of Amsterdam, the Netherlands. He is currently a Distinguished Professor in the Department of Physics at the University of Texas at Arlington, USA and an Adjunct Professor at the Ningbo Institute of Materials Technology and Engineering, China. His current work is focused on nanostructured magnetic materials. He has organized and led several joint research programs in nanocomposite magnets supported by US federal agencies including DOD/DARPA and DOD/MURI. He has authored or co-authored more than 230 peer-reviewed publications, including review articles, book chapters and a book. He has supervised more than fifty postdoctoral researchers and graduate students. He is a Fellow of American Physical Society.

Luogo: Aula Newton - Plesso Fisico

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It has been challenging prepare ferromagnetic particles with small size. By applying newly developed “salt-matrix annealing”, “surfactant-assisted milling” and improved solvothermal techniques, monodisperse ferromagnetic FePt, FeCo, CoNi, CoC, Co, SmCo and NdFeB nanoparticles (including nanorods/nanowires and nano-chips) have been successfully synthesized. These first-ever-available nanoparticles display various hard and soft magnetic properties at room temperature with size dependent properties. It is also observed that particle shape has significant effect on the magnetic properties of the nanoparticle assemblies. The ferromagnetic nanoparticles are used as building blocks for advanced bulk and thin film magnets, and can be also applied in biomedical technologies and magnetic recording media.

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