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Dr Ezio Iacocca

Senior Lecturer

Department: Mathematics, Physics and Electrical Engineering

I received a M.Sc. in Nanotechnology from the Royal Institute of Technology (KTH), Sweden, in 2010 and obtained a Ph.D. in Physics from the University of Gothenburg, Sweden, in 2014 in the group of Prof. Johan Åkerman. I then received funding from the Swedish Research Council through the International Postdoc Award to perform research at a post-doctorate level between 2015 and 2017 in the Applied Mathematics Department at the University of Colorado in Boulder with Prof. Mark A. Hoefer. From 2018 to 2019, I took on a research associate / instructor position in the same institution funded by the U.S. Department of Energy, Basic Energy science. During my time in Boulder, I also became an international research associate at the National Institute of Standards and Technology under the sponsorship of Dr. Tom Silva. I started my current role of Senior Lecturer at Northumbria University in autumn 2019. I work with the Mathematics of Complex and Nonlinear Phenomena group.

 

My research is devoted to magnetisation dynamics, both from a fundamental and an applied perspective. Currently, I explore three subjects:

 

  1. Spin hydrodynamics deals with the hydrodynamic formulation of solid-state magnetisation dynamics. This interpretation is useful in the nonlinear regime that supports long-distance transport of information encoded by spin or angular momentum. Key publication: Phys. Rev. Lett. 118, 017203 (2017)
  2. Ultrafast magnetism explores the ultimate speeds and underlying physics in solid-state magnetism. I am particularly interested in the “rapid” regime, roughly between 10 to 100 picoseconds after a magnetic material is subject to an ultrafast event. I currently study the nucleation and dynamics of nanoscopic magnetic solitons that serve as seeds that eventually stabilise as bits of information. Key publication: Nature Communications 10, 1756 (2019)
  3. Artificial spin ice are engineered magnetic superlattices that exhibit frustration, that is, a degenerate ground state that may be reconfigured by established protocols. My research in this field focuses on the dispersion of spin waves and its dependence on the magnetisation ground state. This research complements the broader field of magnonics, where spin waves are functionalised for microwave logic applications. Key publication: Phys. Rev. B 93, 134420 (2016)

Ezio Iacocca

Qualifications

  • Physics PhD August 30 2014
  • Member of the Institute of Physics MInstP 2019
  • Member of IEEE Magnetics Society 2008

Key Publications

  • Please visit the Pure Research Information Portal for further information
  • Hydrodynamic description of long-distance spin transport through noncollinear magnetization states, Iacocca, E., Hoefer, M. 3 May 2019, In: Physical Review B
  • Magnonic Band Structure Established by Chiral Spin-Density Waves in Thin-Film Ferromagnets, Sprenger, P., Hoefer, M., Iacocca, E. 7 Mar 2019, In: IEEE Magnetics Letters
  • Perspectives on spin hydrodynamics in ferromagnetic materials, Iacocca, E., Hoefer, M. 5 Oct 2019, In: Physics Letters A
  • Spin-current-mediated rapid magnon localisation and coalescence after ultrafast optical pumping of ferrimagnetic alloys, Iacocca, E., Liu, T., Reid, A., Fu, Z., Ruta, S., Granitzka, P., Jai, E., Bonetti, S., Gray, A., Graves, C., Kukreja, R., Chen, Z., Higley, D., Chase, T., Le Guyader, L., Hirsch, K., Ohldag, H., Schlotter, W., Dakovski, G., Coslovich, G., Hoffmann, M., Carron, S., Tsukamoto, A., Kirilyuk, A., Kimel, A., Rasing, T., Stöhr, J., Evans, R., Ostler, T., Chantrell, R., Hoefer, M., Silva, T., Dürr, H. 15 Apr 2019, In: Nature Communications
  • Transverse instabilities of stripe domains in magnetic thin films with perpendicular magnetic anisotropy, Ruth, M., Iacocca, E., Kevrekidis, P., Hoefer, M. 30 Mar 2018, In: Physical Review B
  • A high-speed single sideband generator using a magnetic tunnel junction spin torque nano-oscillator, Sharma, R., Sisodia, N., Iacocca, E., Awad, A., Åkerman, J., Muduli, P. 18 Oct 2017, In: Scientific Reports
  • Breaking of Galilean Invariance in the Hydrodynamic Formulation of Ferromagnetic Thin Films, Iacocca, E., Silva, T., Hoefer, M. 6 Jan 2017, In: Physical Review Letters
  • Long-range mutual synchronization of spin Hall nano-oscillators, Awad, A., Dürrenfeld, P., Houshang, A., Dvornik, M., Iacocca, E., Dumas, R., Åkerman, J. Mar 2017, In: Nature Physics
  • Symmetry-broken dissipative exchange flows in thin-film ferromagnets with in-plane anisotropy, Iacocca, E., Silva, T., Hoefer, M. 31 Oct 2017, In: Physical Review B
  • Topologically Nontrivial Magnon Bands in Artificial Square Spin Ices with Dzyaloshinskii-Moriya Interaction, Iacocca, E., Heinonen, O. 20 Sep 2017, In: Physical Review Applied

Research Themes and Scholarly Interests

Spin hydrodynamics, including dispersive hydrodynamics in solid-state magnetism and long-distance spin transport

Ultrafast and rapid magnetisation dynamics

Linear and nonlinear waves in artificial spin ice

Further Information

I participate in the EU COST Action MAGNETOFON, WG1: All-optical switching / manipulation of magnetisation


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