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Associate researchers

Rodrigo Arias Federici

Phone(s): (56-2) 9784608, (56-2) 9784608
Departamento de Física, Facultad de Cs. Fisicas y Matemáticas. Universidad de Chile.
Avda. Blanco Encalada 2008, Santiago, Chile.

Professional Degree

  • Licenciado en Física, Universidad de Chile, 1985.
  • Magister en Física, Universidad de Chile, 1987.
  • Masters in Physics, University of California, San Diego, USA, 1988.
  • Ingeniero Civil Industrial, Universidad de Chile, 1990.
  • PhD in Physics, University of California, San Diego, USA, 1994. Advisor: Prof. Harry Suhl.

Research Areas

  • Micro y Nano-magnetismo, Dinamica de la Magnetización, Fractura de Materiales.

National and International Committees and Honors

  • Beca del General Atomic, San Diego, USA (año académico 1992-93 en UCSD).
  • Beca Fundación Andes (1996-97, para jóvenes científicos).
  • Beca de la Organización de Estados Americanos (para postdoc de 1998-99 en UC Irvine).

Guieded Graduate Thesis (Since 2006)

  • “Modos normales electrostáticos o Plasmones en nano-cilindros dieléctricos”, Alejandro Jara, 2010.


  • Financiamiento Fondecyt en forma contínua desde 1995 a través de diversos proyectos de investigación (excepto los años que ha estado fuera de Chile).
  • Proyectos de intercambio con Francia: 2 CNRS-Conicyt y uno ECOS-Conicyt.


  1. D. Mancilla-Almonacid; A.O. Leon; R.E. Arias; S. Allende; D. Altbir
    Synchronization of two spin-transfer-driven nano-oscillators coupled via magnetostatic fields
    Phys. Rev. E 99, 032210

  1. D. Mancilla-Almonacid, R.E. Arias, S. Oyarzún, D. Altbir, S. Allende
    Tuning the frequencies of the normal modes of a nanopillar oscillator through the magnetostatic interaction
    Phys. Rev. B 96, 184424
  2. D. Mancilla-Almonacid; R.E. Arias
    Spin-wave modes in ferromagnetic nanodisks, their excitation via alternating currents and fields, and auto-oscillations
    Phys. Rev. B 95, 214424 | Published 28 June 2017

  1. R.E. Arias
    Spin-wave modes of ferromagnetic films
    Phys. Rev. B 94, 134408 | Published 10 October 2016
  2. D. Mancilla-Almonacid, R.E. Arias
    Instabilities of spin torque driven auto-oscillations of a ferromagnetic disk magnetized in plane
    Phys. Rev. B 93, 224416; Published 16 Jun 2016
  3. M. Langer, K. Wagner, T. Sebastian, R. Hübner, J. Grenzer, Yutian Wang, T. Kubota, T. Schneider, S. Stienen, K. Lenz, H. Schultheiß, J. Lindner, K. Takanashi, R.E. Arias, J. Fassbender
    Parameter-free determination of the exchange constant in thin films using magnonic patterning
    Appl. Phys. Lett. 108, 102402 (2016); Published 7 Mar 2016

  1. Z. Duan, I.N. Krivorotov, R.E. Arias, N. Reckers, S. Stienen, J. Lindner
    Spin wave eigenmodes in transversely magnetized thin film ferromagnetic wires
    Phys. Rev. B 92, 104424; Published 21 Sep 2015

  1. I. Barsukov, Y. Fu, A.M. Gonçalves, M. Spasova, M. Farle, L.C. Sampaio, R.E. Arias, I.N. Krivorotov
    Field-dependent perpendicular magnetic anisotropy in CoFeB thin films
    Appl. Phys. Lett. 105, 152403 (2014); Published 13 October 2014

  1. R. Arias, A. Maradudin
    Scattering of a surface plasmon polariton by a localized dielectric surface defect
    Optics Express 21 (8), 9734
  2. M. Adda-Bedia, R. Arias, E. Bouchbinder, and Eytan Katzav
    Dynamic Stability of Crack Fronts: Out-Of-Plane Corrugations
    Physical Review Letters 110, 014302

  1. S. Allende, R. Arias
    Transverse domain wall propagation in modulated cylindrical nano-structures and possible geometric control
    Phys. Rev. B 83, 174452
  2. R. Arias, R. Madariaga, M. Adda-Bedia
    Singular Elasto-Static field near a fault kink
    Pure and Applied Geophysics 168, 12

  1. C. Jarufe, R.E. Arias
    Magnonic and plasmonic band gaps in films with periodically modified surfaces
    Physical Review B 85, 205411; Published 8 May 2012


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