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Director

Dora Altbir Drullinsky

Phone(s): (56 2) 2718 1228
Edificio de Centros de Investigación Rector Eduardo Morales Santos | Universidad de Santiago de Chile
Avda. Libertador Bernardo O'Higgins 3363, Estación Central, Santiago - Chile.

Professional Degree

  • PhD in Physics, Pontificia Universidad Católica de Chile, Chile.
  • MSc in Physics, Pontificia Universidad Católica de Chile, Chile.
  • Licenciada en Ciencias con mención en Física, Pontificia Universidad Católica de Chile, Chile.

Research Areas

  • Solid state physics.
  • Magnetic nanostructures.

National and International Committees and Honors

Awards
  • President of the Higher Council of Science of the National Fund for Scientific and Technological Development , Fondecyt , 2015
  • Young member of the Chilean Academy of Science, 2004-2006.
  • Distinguished professor, Science Faculty, Universidad de Santiago de Chile, 2003.
  • Fellowship for doctoral studies, CONICYT, 1988-1991.
  • Fellowship for master studies, Pontificia Universidad Católica de Chile, 1986-1987.
  • Best student, Licenciatura en Física, Pontificia Universidad Católica de Chile, 1984, 1985 and 1986.

 Guieded Graduate Thesis (Since 2006)

  • “Fundamental properties in nanometric systems with high symmetry“. Doctorado en Ciencias con mención en Física, Sebastián Castillo, Universidad de Santiago de Chile, Santiago, Chile, 2016
  • “Static and dynamic properties of magnetization in nanostructured systems“.  Doctorado en Ciencias con mención en Física, Nicolás Vargas, Universidad de Santiago de Chile, Santiago, Chile, 2015
  • “Characterization of rectangular magnetic nanostructures using Monte Carlo simulations“.  Doctorado en Ciencias con mención en Física, Roberto Escobar, Universidad de Santiago de Chile, Santiago, Chile, 2015
  • “Magnetic properties of nickel nanowires”. Doctorado en Física, Sebastian Allende, Universidad de Santiago de Chile, Santiago, Chile, 2008.
  • “Dipolar interaction between micro and nanometric magnetic systems”. Doctorado en Física, Juan Escrig, Universidad de Santiago de Chile, Santiago, Chile, 2007.
  • “Magnetic properties of nanostructures with cylindrical symmetry”. Doctorado en Física, Pedro Landeros, Universidad de Santiago de Chile, Santiago, Chile, 2007.
  • “Magnetic properties of Ferrofluids”. Paul Soto, Co-directed with Dr. José Mejía, PUC. Magíster en Física, Universidad de Santiago de Chile, Santiago, Chile, 2006.

Projects

  • Granted by different national and international agencies.
  • Grants from the national agency FONDECYT continuously since 1992.
  • Director of the Millenium Nucleus Basic and Applied Magnetism, from Millenium Scientific Initiative, since 2011 to 2013.
  • Director of the Millenium Nucleus Basic and Applied Magnetism, from Millenium Scientific Initiative, since 2007 to 2010.
  • Since 2001 to 2005, Director of the National Network for Graduate Studies in Physics, a project financed by the Mational Ministry of Education.
  • Member of the Millenium Nucleus Condensed Matter Physics, from Millenium Scientific Initiative, since 1999 to 2006.

Publications

2018
  1. J. Mejía-López, E.A. Velásquez, J. Mazo-Zuluaga, D. Altbir
    Thermal gradients for the stabilization of a single domain wall in magnetic nanowires
    Nanotechnology 29 (2018) 345702 (5pp)
  2. J. Mejía-López, E.A. Velásquez, J. Mazo-Zuluaga, D. Altbir
    Thermal gradients for the stabilization of a single domain wall in magnetic nanowires
    Nanotechnology 29 (2018) 345702 (5pp)

2017
  1. S. Castillo-Sepúlveda, R.A. Escobar, D. Altbir, M. Krizanac, E.Y. Vedmedenko
    Magnetic Möbius stripe without frustration: Noncollinear metastable states
    Phys. Rev. B 96, 024426
  2. 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
  3. R. Moreno, V.L. Carvalho-Santos, A.P. Espejo, D. Laroze, O. Chubykalo-Fesenko, D. Altbir
    Oscillatory behavior of the domain wall dynamics in a curved cylindrical magnetic nanowire
    Phys. Rev. B 96, 184401
  4. R.A. Escobar, S. Castillo-Sepulveda, S. Allende, D. Altbir, P. Sergelius, D. Goerlitz, K. Nielsch
    Towards Independent Behavior of Magnetic Slabs
    IEEE Magnetics Letters 8 (2017) #4104505 | Published 2 Feb
  5. R.M. Corona, A.C. Basaran, J. Escrig, D. Altbir
    Unusual behavior of the magnetization reversal in soft/hard multisegmented nanowires
    Journal of Magnetism and Magnetic Materials 438 (2017) 168-172 | Published 15 Sep
  6. P. Sergelius, J. Hyun Lee, O.livier Fruchart, M. Shaker Salem, S. Allende, R.A. Escobar, J. Gooth, R. Zierold, J-C. Toussaint, S. Schneider, D. Pohl, B. Rellinghaus, S. Martin, J. Garcia, H. Reith, A. Spende, M-E. Toimil-Molares, D. Altbir, R. Cowburn, D. Görlitz, K. Nielsch
    Intra-wire coupling in segmented Ni/Cu nanowires deposited by electrodeposition
    Nanotechnology 28 (2017) 065709 (11pp) | Published 9 Jan
  7. O.J. Suarez, D. Laroze, J. Martínez-Mardones, D. Altbir, O. Chubykalo-Fesenko
    Chaotic dynamics of a magnetic particle at finite temperature
    Phys. Rev. B 95, 014404; Published 6 Jan
  8. R.A. Escobar, E. Lage, J. d’Albuquerque e Castro, D. Altbir, C.A. Ross
    Geometry dependence of the magnetization reversal process in bridged dots
    Journal of Magnetism and Magnetic Materials 432 (2017) 304-308 | 15 Jun

2016
  1. S. Castillo-Sepúlveda, R.M. Corona, D. Altbir, J. Escrig
    Magnetic properties of mosaic nanocomposites composed of nickel and cobalt nanowires
    Journal of Magnetism and Magnetic Materials 416 (2016) 325–328; Published 15 Oct 2016
  2. J. Mazo-Zuluaga, E.A. Velásquez, D. Altbir, J. Mejía-López
    Controlling domain wall nucleation and propagation with temperature gradients
    Appl. Phys. Lett. 109, 122408 (2016); Published 19 Sep 2016
  3. A. Riveros, N. Vidal-Silva, P. Landeros, D. Altbir, E.E. Vogel, J. Escrig
    Magnetic vortex core in cylindrical nanostructures: Looking for its stability interms of geometric and magnetic parameters
    Journal of Magnetism and Magnetic Materials 401 (2016) 848–852; Published 1 Mar 2016
  4. R.A. Escobar, L. Tryputen, S. Castillo-Sepúlveda, D. Altbir, S. Chung, T.N. Anh Nguyen, M.S. Mohseni, J. Akerman, C.A. Ross
    Monte Carlo modeling of mixed-anisotropy [Co/Ni]2/NiFe multilayers
    IEEE Magnetics Letters, 7:2016 Article#: 4101205; Published 22 Feb 2016
  5. N. Arancibia-Miranda, S.E. Baltazar, A. García, D. Muñoz-Lira, P. Sepúlveda, M.A. Rubio, D. Altbir
    Nanoscale zero valent supported by Zeolite and Montmorillonite:Template effect of the removal of lead ion from an aqueous solution
    Journal of Hazardous Materials 301 (2016) 371–380; Published 15 Jan 2016

2015
  1. O.J. Suarez, P. Nieves, D. Laroze, D. Altbir, and O. Chubykalo-Fesenko
    Ultra-fast relaxation rates and reversal time in disordered ferrimagnets
    Phys. Rev. B 92, 144425; Published 26 Oct 2015
  2. V.L. Carvalho-Santos, R.G. Elias, D. Altbir, J.M. Fonseca
    Stability of skyrmions on curved surfaces in the presence of a magnetic field
    Journal of Magnetism and Magnetic Materials 391 (2015) 179–183; Published 1 Oct 2015
  3. S. Allende, D. Altbir, J.C. Retamal
    Simulated annealing and entanglement of formation for (n ⊗ m)-dimensional mixed states
    Phys. Rev. A 92, 022348; Published 24 Aug 2015
  4. E. Vargas, W.W.M. Melo, S. Allende, R.F. Neumann, J.C. Denardin, D. Altbir, M. Bahiana
    Dipolar-driven formation of cobalt nanoparticle chains in polyethylene films
    Materials Chemistry and Physics 162 (2015) 229-233; Published 15 Jul 2015
  5. R.A. Escobar, S. Castillo-Sepúlveda, S. Allende, D. Altbir, M. Bahiana, J. d'Albuquerque e Castro
    Multi-stability in low-symmetry magnetic nanoparticles
    J. Appl. Phys. 117, 223901 (2015): Published 14 Jun 2015
  6. R.F. Neumann, M. Bahiana, S. Allende, D. Altbir, D. Goerlitz, K. Nielsch
    Tailoring the nucleation of domain walls along multi-segmented cylindrical nanoelements
    Nanotechnology 26 (2015) 215701 (10pp); Published 1 May 2015
  7. V.L. Carvalho-Santos, R.G. Elias, J.M. Fonseca, D. Altbir
    Curvature-induced changes in the magnetic energy of vortices and skyrmions in paraboloidal nanoparticles
    J. Appl. Phys. 117, 17E518 (2015); Published (web) 24 april 2015
  8. S.K. Sharma, J.M. Vargas, N.M. Vargas, S. Castillo-Sepúlveda, D. Altbir, K.R. Pirota, R. Zboril, G. Zoppellaro, M. Knobel
    Unusual magnetic damping effect in a silver–cobalt ferrite hetero nano-system
    RSC Adv., 2015,5, 17117-17122; Published (web) 9 Feb 2015
  9. P.S.C. Vilas-Boas, R.G. Elias, D. Altbir, J.M. Fonseca, V.L. Carvalho-Santos
    Topological magnetic solitons on a paraboloidal shell
    Physics Letters A 379 (2015) 47–53, 47-53; Published 2 Jan 2015

2014
  1. N. Arancibia-Miranda, S.E. Baltazar, A. García, A.H. Romero, M.A. Rubio, D. Altbir
    Lead removal by nano-scale zero valent iron: surface analysis and pH effect
    Materials Research Bulletin 59 (2014) 341-348; Published Nov 2014
  2. S. Castillo-Sepúlveda, N.M. Vargas, R. Escobar, S. Allende, S. BaltazarD. Altbir
    Reversal modes in small rings: Signature on the susceptibility
    J. Appl. Phys. 115, 223903 (2014); Published 14 Jun 2014
  3. F. Torres, D. Altbir, M. Kiwi
    Dzyaloshinskii-Moriya interaction and magnetic ordering in 1D and 2D at nonzero T
    EPL, 106 (2014) 47004; Published 26 May 2014
  4. S. Baltazar, A. García, A.H. Romero, M.A. Rubio, N. Arancibia-Miranda, D. Altbir
    Surface rearrangement of nanoscale zerovalent iron: the role of pH and its implications in the kinetics of arsenate sorption
    Environmental Technology, 2014 Vol. 35, No. 18, 2365–2372; Published (web) 8 Apr 2014
  5. R.A. Escobar, N.M. Vargas, S. Castillo-Sepúlveda, S. Allende, D. Altbir, J. d'Albuquerque e Castro
    Complex magnetic reversal modes in low-symmetry nanoparticles
    Appl. Phys. Lett. 104, 123102 (2014); Published 24 Mar 2014
  6. E.A. Velásquez, J. Mazo-Zuluaga, J. Mejía-López, D. Altbir
    Ornstein-Zernike correlations and magnetic ordering in nanostructures
    Velásquez, E.A., Mazo-Zuluaga, J., Altbir, D. et al. Eur. Phys. J. B (2014) 87: 61; Published March 2014
  7. S. Allende, J.C. Retamal, D. Altbir, J. D’Albuquerque e Castro
    Domain wall magnetoresistance in nanowires: Dependence on geometrical factors and material parameters
    Journal of Magnetism and Magnetic Materials 365 (2014) 197-200; Published April 2014

2013
  1. E.R.P. Novais, S. Allende, D. Altbir, P. Landeros, F. Garcia, A.P. Guimaraes
    Effect of perpendicular uniaxial anisotropy on the annihilation fields of magnetic vortices
    J. Appl. Phys. 114, 153905 (2013); Published 21 Oct 2013
  2. E.A. Velásquez, D. Altbir, J. Mazo-Zuluaga, L.F. Duque, and J. Mejía-López
    Searching for the nanoscopic-macroscopic Boundary
    Journal of Magnetism and Magnetic Materials 348 (2013) 154-159; Published Dec 2013
  3. C. Vilos, M. Gutiérrez, R. Escobar, F. Morales, J. Denardin, L. Velásquez and D. Altbir
    Superparamagnetic Poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) Nanoparticles For Biomedical Applications
    Electron. J. Biotechnol. vol.16 no.5; Published Sep 2013
  4. R.F. Neumann, M. Bahiana, N.M Vargas, D. Altbir, S. Allende, D. Gorlitz, K. Nielsch
    Domain Wall Control in Wire-Tube Nanoelements
    Appl. Phys. Lett. 102, 202407 (2013); Published 20 May 2013
  5. F. Muñoz, M. Kiwi, D. Altbir and J.L. Morán-López
    Properties of Fe(8-n) Co(n) nanoribbons and nanowires: a DFT approach
    Journal of Magnetism and Magnetic Materials (2013) 339, 75–80; Published Aug 2013

2012
  1. S. Castillo, N. Vargas, D. Altbir, S. Allende
    Mechanisms of magnetization reversal in stadium-shaped particles
    J. Appl. Phys. 112, 083906 (2012); Published 15 October 2012
  2. S. Allende, N.M. Vargas, D. Altbir, V. Vega, D. Görlitz, and K. Nielsch
    Magnetization reversal in multisegmented nanowires: Parallel and serial reversal modes
    Applied Physics Letters 101, 122412

2009
  1. S. Allende, J. Escrig, D. Altbir, E. Salcedo, M. Bahiana
    Asymmetric hysteresis loop in magnetostatic-biased multilayer nanowires
    Nanotechnology (2009) 20(44):445707; Published 4 Nov 2009
  2. R. Lavín, J.C. Denardin, J. Escrig, D. Altbir, A. Cortés, H. Gómez
    Angular dependence of magnetic properties in Ni nanowire arrays
    J. Appl. Phys. 106, 103903 (2009); Published 15 Nov 2009
  3. S. Allende, D. Altbir, K. Nielsch
    Magnetic cylindrical nanowires with single modulated diameter
    Phys. Rev. B 80, 174402; Published 9 Nov 2009

2010
  1. M. Gutiérrez, M. Escudey, J. Escrig, J.C. Denardin, D. Altbir, J.D. Fabris, L.C.D. Cavalcante, M.T. García-González
    Preparation and characterization of magnetic composites based on a natural zeolite
    Clays and Clay Minerals (2010), 58(5):589; Published Oct 2010
  2. J. Mejía-López, D. Altbir, P. Landeros, J. Escrig, A.H. Romero, Igor V. Roshchin, C.P. Li, M.R. Fitzsimmons, X. Battle, Iván K. Schuller
    Development of vortex state in circular magnetic nanodots: Theory and experiments
    Phys. Rev. B 81, 184417; Published 18 May 2010

2011
  1. R.F. Neumann, M. Bahiana, J. Escrig, S. Allende, K. Nielsch, D. Altbir
    Stability of magnetic nanoparticles inside ferromagnetic nanotubes
    Appl. Phys. Lett. 98, 022502 (2011); Published 10 Jan 2011
  2. B. Leighton, N.M. Vargas, D. Altbir, J. Escrig
    Tailoring the magnetic properties of Fe asymmetric nanodots
    Journal of Magnetism and Magnetic Materials 323 (2011) 1563-1567; Published June 2011
  3. N.M. Vargas, S. Allende, B. Leighton, J. Escrig, J. Mejía-López, D. Altbir, Ivan K. Schuller
    Asymmetric magnetic dots: A way to control magnetic properties
    J. Appl. Phys. 109, 073907 (2011); Published 1 Apr 2011

2012
  1. J.L. Palma, C. Morales-Concha, B. Leighton, D. Altbir, J. Escrig
    Micromagnetic simulation of Fe asymmetric nanorings
    Journal of Magnetism and Magnetic Materials 324 (2012) 637–641; Published Feb 2012
  2. R.F. Neumann, M. Bahiana, S. Allende, J. Escrig, D. Altbir
    Confinement of magnetic nanoparticles inside multisegmented nanotubes by means of magnetic field gradients
    J. Appl. Phys. 111, 013916 (2012); Published 1 Jan 2012
  3. O. Suárez, L.M. Pérez, D. Laroze, D. Altbir
    Magnetostatic interactions in cylindrical nanostructures with non-uniform magnetization
    Journal of Magnetism and Magnetic Materials 324 (2012) 1698–1705; Published May 2012
  4. L.G. Vivas, M. Vazquez, J. Escrig, S. Allende, D. Altbir, D.C. Leitao, J.P. Araujo
    Magnetic anisotropy in CoNi nanowire arrays: analytical calculations and experiments
    Phys. Rev. B 85, 035439; Published 24 Jan 2012
  5. C. Morales-Concha, M. Ossandón, A. Pereira, D. Altbir, J. Escrig
    General approach to the magnetostatic force and interaction between cylindrically shaped nanoparticles
    J. Appl. Phys. 111, 07D131 (2012); Published 1 April 2012
  6. R.M. Corona, D. Altbir, J. Escrig
    Magnetic properties of elliptical and stadium-shaped nanoparticles: Effect of the shape anisotropy
    Journal of Magnetism and Magnetic Materials 324 (2012) 3824-3828; Published Nov 2012

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