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Winton Programme for the Physics of Sustainability

Department of Physics

Studying at Cambridge

 

Dr Amalio Fernandez-Pacheco

Biography:

Graduate degree (2005) and PhD (2009) in Physics at the University of Zaragoza, Spain. From 2010, postdoc at the group of Prof. Cowburn, first at Imperial College, and then at the Cavendish Laboratory-University of Cambridge, being a Marie Curie Fellow from 2010 to 2012. From 2014, EPSRC Early Career Fellow and Winton Advanced Research Fellow at the Cavendish Laboratory.

Research Interests

I am interested in studying novel ways to store and process binary information using magnetic nanostructures.

The Information Technology over the last few decades has been made possible due to the continuous downscaling of integrated circuits and storage devices. However, current high computing performance is accompanied with an exponential increase in power consumption, with serious implications for the environment. I investigate more efficient mechanisms to store information using Nanotechnology and magnetic materials. In particular, I am using advanced direct-write nanolithography techniques based on focused electron and ion beams to pattern magnetic materials at the nanoscale, aiming to create a new generation of spintronic devices.

The possibility to fabricate magnetic nanostructures using advanced maskless nanopatterning methods has a great potential in many Nanotechnology fields, including nanoelectronics, nano-sensing, biomagnetism and medicine, which allows me to collaborate with a wide range of research groups around the world.


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Key Publications

Present and future applications of magnetic nanostructures grown by FEBID
J. M. De Teresa, A. Fernández-Pacheco, Appl. Phys. A DOI 10.1007/s00339-014-8617-7
Three dimensional magnetic nanowires grown by focused electron-beam induced deposition
A. Fernández-Pacheco, L. Serrano-Ramón, J. M. Michalik, M. R. Ibarra, J. M. De Teresa, L. O'Brien, D. Petit, J. Lee & R P. Cowburn, Sci. Rep. 3, 1492 (2013)
Magnetic ratchet for three-dimensional spintronic memory and logic
R. Lavrijsen, J.H Lee, A. Fernández-Pacheco, D. Petit, R. Mansell & R. P. Cowburn, Nature 493, 647 (2013)
Controllable nucleation and propagation of topological magnetic solitons in CoFeB/Ru ferrimagnetic superlattices
A. Fernández-Pacheco, D. Petit, R. Mansell, R. Lavrijsen, J. H. Lee, and R. P. Cowburn, Phys. Rev. B 86, 104422 (2012)
Fast domain wall motion in magnetic comb structures
E. R. Lewis, D. Petit, L. O’Brien, A. Fernández-Pacheco, J. Sampaio, A-V. Jausovec, H. T. Zeng, D. E. Read & R. P. Cowburn, 
Nature Materials 9, 980 (2010)
Metal-insulator transition in Pt-C nanowires grown by focused-ion-beam-induced deposition
A. Fernández-Pacheco, J.M. De Teresa, R. Córdoba and M.R. Ibarra, Physical Review B 79, 174204 (2009)
Domain wall conduit behavior in cobalt nanowires grown by Focused-Electron-Beam Induced Deposition
A. Fernández-Pacheco, J. M. De Teresa, R. Córdoba, M. R. Ibarra D. Petit , D. E. Read, L. O'Brien, E. R. Lewis, H. T. Zeng and R.P. Cowburn, Applied Physics Letters 94, 192509 (2009)
Direct observation of melting in a 2-D superconducting vortex lattice
I. Guillamón, H. Suderow, A. Fernández-Pacheco, J. Sesé, R. Córdoba, J. M. De Teresa, M.R. Ibarra & S. Vieira,
Nature Physics 5, 651 (2009)
Magnetotransport properties of high-quality cobalt nanowires grown by focused-electron-beam-induced deposition
A. Fernández-Pacheco, J. M. De Teresa, R. Córdoba, M. R. Ibarra, Journal of Physics D: Applied Physics 42, 055005 (2009)
Studies of Nanoconstrictions, Nanowires and Fe304 Thin Films. 
A. Fernández-Pacheco, Springer Theses (2010)
For a list with all publications click here