Nucleo Milenio Publicaciones

2010

L. Chen, J.E. Valdés, P. Vargas, V.A. Esaulov Surface channelling and energy losses of 4 keV hydrogen and fluorine ions in grazing scattering on Au(111) and missing row reconstructed Au(110) surfaces Journal of Physics: Condensed Matter 22, 345005 (11p) (2010)

P. Landeros and A. Núñez Domain wall motion on magnetic nanotubes Journal of Applied Physics 108, 033917 (2010)

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 (in press) (2010)

E.E.Vogel, W.Lebrecht, J.F. Valdés, Bond percolation for homogeneous two-dimensional lattices, Physica A 389, 1512-1520 (2010)

G. García, M. Kiwi, J. Mejía-López, R. Ramírez, Exchange bias of patterned systems: model and numerical simulation, J. Mag. Mag. Mat., j.jmmm.2010.06.018 (2010)

F. Muñoz, J. Mejía-López, T. Perez-Acle, A.H. Romero, Uniaxial Magnetic Anisotropy Energy of Fe Wires Embedded in Carbon Nanotubes, ACSNano 4, 2883 (2010)

A. L. González, P. Landeros, A. Núñez, Spin wave spectrum of magnetic nanotubes, Journal of Magnetism and Magnetic Materials, 322 530-535 (2010)

Yuen Tung Chong, Detlef Görlitz, Stephan Martens, Man Yan Eric Yau, Sebastian Allende, Julien Bachmann, Kornelius Nielsch Multilayered Core/Shell, Nanowires Displaying Two Distinct Magnetic Switching Events, Advanced Materials 22, 2435 (2010)

Lavin R, Denardin, JC, Espejo AP, et al. Magnetic properties of arrays of nanowires: Anisotropy, interactions, and reversal modes, Journal of Applied Physics, 107, 9, 09B504 (2010)

Lavin R, Denardin, JC , Cortes A, et al. Magnetic Properties of Cobalt Nanowire Arrays, Molecular Crystals and Liquid Crystals, 521 293-300 (2010)

Lavin R, Torres B, Serafini D, Denardin, JC, et al. Identifying the Magnetic Phases on Annealed Amorphous Alloys Using Forc Diagrams Molecular Crystals and Liquid Crystals, 521 279-287 (2010)

M. G. Clerc, S. Coulibaly, D. Laroze Intreaction law of 2D localized precession states EPL, 90 38005 (2010)

J. Mejía-López, D. Altbir, P. Landeros, J. Escrig, A. H. Romero, Igor V. Roshchin, C. -P. Li, M. R. Fitzsimmons, X. Battle, Ivan K. Schuller Development of vortex state in circular magnetic nanodots: Theory and experiment Phys. Rev. B, 81 184417 (2010)

I. Kyriakou, C. Celedón, R. Segura, D. Emfietzoglou, P. Vargas, J. E. Valdés, I. Abril, C. D. Denton, K. Kostarelos, R. García-Molina Energy loss of protons in carbon nanotubes: Experiments and calculations Nuclear Instruments and Methods in Physics Research B, 268 1781-1785 (2010)

D. Laroze, J. Martínez-Mardones, L. M. Pérez Amplitude equation for stationary convection in a viscoelastic magnetic fluid International Journal of Bifurcation and Chaos, 20 235-242 (2010)

G. F. M. Pires Júnior, H. O. Rodrigues, J. S. Almeida, E. O. Sancho, J. C. Góes, M. M. Costa, J. C. Denardin, A. S. B. Sombra Study of the dielectric and magnetic properties of Co2Y, Y-type hexaferrite added with PbO and Bi2O3 in the RF frequency range Journal of Alloys and Compounds, 493 326 (2010)

Néstor E. Massa, Juliano C. Denardin, Leandro M. Socolovsky, Marcelo Knobel, Fernando P. de la Cruz, and XiXiang Zhang Far infrared near normal specular reflectivity of Nix(SiO2)1-x(x=1.0, 0.84, 0.75, 0.61, 0.54, 0.28) granular films Journal of Alloys and Compounds, 495 638-641 (2010)

2009

F. Llievski, A. Cuchillo, W. Nunes, M. Knobel, C. A. Ross, and P. Vargas Thermal behavior of hard-axis magnetization in noninteracting particles with uniaxial anisotropy Applied Physics Letters, 95 202503 (2009)

A. L. González, P. Landeros, Álvaro S. Núñez Spin wave spectrum of magnetic nanotubes Journal of Magnetism and Magnetic Materials, 322 530-535 (2009)

P. B. A. Fechine, H. H. B. Rocha, R. S. T. Moretzsohn, J. C. Denardin, R. Lavín, A. S. B. Sombra Study of a microwave ferrite resonator antenna, based on a ferrimagnetic composite (Gd3Fe5O12)GdlGx-(Y3Fe5O12)YlG1-x IET Microwaves, Antennas & Propagation, 3 1191-1198 (2009)

Marcel G. Clerc, Saliya Coulibaly, and David Laroze Localized states and non-variational ising-bloch transition of a parametrically driven easy-plane ferromagnetic wire Physica D, 22 72 (2009)

Marcel G. Clerc, Saliya Coulibaly, and D. Laroze Nonvariational ising-bloch transition in parametrically driven systems International Journal of Bifurcation and Chaos, 19 2717-2726 (2009)

D. Laroze, J. Martínez-Mardones, L. M. Pérez, Y. Rameshwar Amplitude equation for stationary convection in a rotating binary ferrofluid International Journal of bifurcation and Chaos, 19 2755-2764 (2009)

J. M. Flores, Álvaro S Núñez, P. Vargas, Quantum tunneling in nanomagnetic systems with different uniaxial anisotropy order, Nanotechnology 20, 465403 (2009).

S. Allende, D. Altbir, K. Nielsch, Magnetic cylindrical nanowires with single modulated diameter, Phys. Rev. B, 80, 174402 (2009).

Kristina Pitzschel, Josep M. Montero Moreno, Juan Escrig, Ole Albrecht, Kornelius Nielsch, Julien Bachmann, Controlled introduction of diameter modulations in arrayed magnetic iron oxide nanotubes, ACS Nano (2009).

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).

P. Landeros, P. R. Guzmán, R. Soto-Garrido, J. Escrig, Magnetostatic fields in tubular nanostructures, J. Phys. D: Appl. Phys. 42, 225002 (2009).

S. Allende, J. Escrig, D. Altbir, E. Salcedo, M. Bahiana, Asymmetric hysteresis loop in magnetostatic-biased multilayer nanowires, Nanotechnology 20, 445707 (2009).

O. J. Suarez, P. Vargas, E. E. Vogel, Energy and force between two magnetic nanotubes, J. Magn. Magn. Mater. 321, 3658-3664 (2009).

B. Leighton, O. J. Suarez, P. Landeros, J. Escrig, Magnetic phase diagrams of barcode-type nanostructures, Nanotechnology 20, 385703 (2009).

J. M. Flores, P. Vargas, Álvaro S. Núñez, Instantons and magnetization tunneling:Beyond the giant-spin approximation, Physica B 404, 2791 (2009).

José Mejía-López, Griselda García, Aldo H. Romero, Physical and chemical characterization of Pt12-nCun clusters via ab initio calculations, J. Chem. Phys. 131, 044701 (2009).

Sinhue López, A. H. Romero, J. Mejía-López, J. Mazo-Zuluaga, J. Restrepo, Structure and electronic properties of iron oxide clusters: A first-principles study, Phys. Rev. B 80, 085107 (2009).

E. E. Vogel, G. Saravia, F. Bachmann, B. Fierro, Janine Fischer, Phase transitions in Edwards-Anderson model by means of information theory, Physica A 388, 4075-4082 (2009).

Igor V. Roshchin, Chang-Peng Li, Harry Suhl, Xavier Battle, S. Roy, Sunil K. Sinha, S. Park, Roger Pynn, M. R. Fitzsimmons, Jose Mejía López, Dora Altbir, A. H. Romero, and Ivan K. Schuller, Measurement of the vortex core in sub-100 nm Fe dots using polarized neutron scattering, EPL 86, 67008 (2009).

Juan Vasquez, Harold Lozano, Vladimir Lavayen, Mónica Lira-Cantú, Pedro Gómez-Romero, María Angélica Santa Ana, Eglantina Benavente, and Guillermo Gonzalez, High-yield preparation of titanium dioxide nanostructures by hydrothermal conditions, J. Nanosci. Nanotechnol. 9, 1103-1107 (2009).

Harold Lozano, Eglantina Benavente, and Guillermo Gonzalez, Deposition of laminar TiO2-based nanocomposites on a modified quartz crystal gold surface, J. Nanosci. Nanotechnol. 9, 969-973 (2009).

J. Mazo-Zuluaga, J. Restrepo, F. Muñoz, and J. Mejía-López, Surface anisotropy, hysteretic, and magnetic properties of magnetite nanoparticles: A simulation study, J. Appl. Phys. 105, 123907 (2009).

R. E. Arias, and D. L. Mills, Theory of ferromagnetic resonance in perpendicularly magnetized nanodisks: Excitation by the Oersted field, Phys. Rev. B 79, 144404 (2009).

Néstor E. Massa, Juliano C. Denardin, Leandro M. Socolovsky, Marcelo Knobel, and X. X. Zhang, Electron dynamics in films made of transition metal nanograins embedded in SiO2: Infrared reflectivity and nanoplasma infrared resonance, J. Appl. Phys. 105, 114306 (2009).

F. Romá, S. Risau-Gusman, A. J. Ramirez-Pastor, F. Nieto, and E. E. Vogel, The ground state energy of the Edwards-Anderson spin glass model with a parallel tempering Monte Carlo Algorithm, Physica A 388, 2821-2838 (2009).

R. Soto, G. Martínez, M. N. Baibich, J. M. Flores, and P. Vargas, Metastable states in the triangular-lattice Ising model studied by Monte Carlo simulations: Application to the spin-chain compound Ca3Co2O6, Phys. Rev. B 79, 184422 (2009).

E. Cisternas, F. Stavale, M. Flores, C. A. Achete, and P. Vargas, First-principles calculation and scanning tunneling microscopy study of highly oriented pyrolytic graphite (0001), Phys. Rev. B 79, 205431 (2009).

A. Pereira, J. C. Denardin, and J. Escrig, How do magnetic microwires interact magnetostatically?, J. Appl. Phys. 105, 083903 (2009).

J. Bachmann, J. Escrig, K. Pitzschel, J. M. Montero Moreno, J. Jing, D. Gorlitz, D. Altbir, and K. Nielsch, Size effects in ordered arrays of magnetic nanotubes: Pick your reversal mode, J. Appl. Phys. 105, 07B521 (2009).

P. Landeros, O. J. Suarez, A. Cuchillo, and P. Vargas, Equilibrium states and vortex domain wall nucleation in ferromagnetic nanotubes, Phys. Rev. B 79, 024404 (2009).

J. Escrig, S. Allende, D. Altbir, M. Bahiana, J. Torrejón, G. Badini, and M. Vázquez, Magnetostatic bias in multilayer microwires: theory and experiments, J. Appl. Phys. 105, 023907 (2009).

2008

José Mejía-López, Aldo H. Romero, Martín E. García, and J. L. Morán-López, Understanding the elusive magnetic behavior of manganese clusters, Physical Review B 78, 134405 (2008).
J. Mejía-López, J. Pinto, and A. H. Romero, Effect of sulphur doping on manganese clusters: an ab initio study, Eur. Phys. J. D 50, 45 (2008).
R. Lavín, J. C. Denardin, J. Escrig, D. Altbir, A. Cortés, and H. Gómez, Magnetic characterization of nanowire arrays using first order reversal curves, IEEE Transactions on Magnetics 44, 2808 (2008).
S. Allende, J. Escrig, D. Altbir, E. Salcedo, and M. Bahiana, Angular dependence of the transverse and vortex modes in magnetic nanotubes, The European Physical Journal B 66, 37-40 (2008).
J. E. Valdés, P. Vargas, C. Celedón, E. Sánchez, L. Guillemot, and V. A. Esaulov, Electronic density corrugation and crystal azimuthal orientation effects on energy losses of hydrogen ions in grazing scattering on a Ag(110) surface, Physical Review A 78, 032902 (2008).
Eduardo Cisternas, Marcos Flores, and Patricio Vargas, Superstructures in arrays of rotated graphene layers: Electronic structure calculations, Physical Review B 78, 125406 (2008).
M. Knobel, W. C. Nunes, L. M. Socolovsky, E. De Biasi, J. M. Vargas, and J. C. Denardin, Superparamagnetism and other magnetic features in granular materials: A review on ideal and real systems, J. Nanosci. Nanotechnol. 8, 2836 (2008).
W. Lebrecht, J. F. Valdes, and E. E. Vogel, Local analysis of frustration based on Kagomé lattices, Physica A 387, 5147 (2008).
J. Escrig, S. Allende, D. Altbir, and M. Bahiana, Magnetostatic interactions between magnetic nanotubes, Appl. Phys. Lett. 93, 023101 (2008).
S. Allende, D. Altbir, E. Salcedo, M. Bahiana, and J. P. Sinnecker, Propagation of transverse domain walls in homogeneous magnetic nanowires, J. Appl. Phys. 104, 013907 (2008).
D. Laroze, G. Gutiérrez, R. Rivera, and J. M. Yáñez, Dynamics of a rotating particle under a time-dependent potential: exact quantum solution from the classical action, Phys. Scr. 78, 015009 (2008).
J. Mazo-Zuluaga, J. Restrepo, and J. Mejía-López, Effect of surface anisotropy on the magnetic properties of magnetite nanoparticles: A Heisenberg-Monte Carlo study, J. Appl. Phys. 103, 113906 (2008).
J. Escrig, J. Bachmann, J. Jing, M. Daub, D. Altbir, and K. Nielsch, Crossover between two different magnetization reversal modes in arrays of iron oxide nanotubes, Phys. Rev. B 77, 214421 (2008).
P. Landeros, Rodrigo E. Arias, and D. L. Mills, Two magnon scattering in ultrathin ferromagnets: The case where the magnetization is out of plane, Phys. Rev. B 77, 214405 (2008).
J. Mazo-Zuluaga, J. Restrepo, and J. Mejía-López, Influence of non-stoichiometry on the magnetic properties of magnetite nanoparticles, J. Phys.: Condens. Matter 20, 195213 (2008).
J. Escrig, R. Lavin, J. L. Palma, J. C. Denardin, D. Altbir, A. Cortes, and H. Gomez, Geometry dependence of coercivity in Ni nanowire arrays, Nanotechnology 19, 075713 (2008).
D. Laroze, P. Vargas, C. Cortés, G. Gutierrez, Dynamics of two interacting dipoles, J. Magn. Magn. Mater. 320, 1440-1448 (2008).

2007

Daub, J. Bachmann, J. Jing, M. Knez, U. Gosele, S. Barth, S. Mathur, J. Escrig, D. Altbir, and K. Nielsch, Ferromagnetic nanostructures by Atomic Layer Deposition: From Thin Films towards Core-Shell Nanotubes, ECS Transactions 11, 139-148 (2007).
D. Altbir, J. Escrig, P. Landeros, F. S. Amaral, and M. Bahiana, Vortex core size in interacting cylindrical nanodot arrays, Nanotechnology 18, 485707 (2007).
J. Escrig, M. Daub, P. Landeros, K. Nielsch, and D. Altbir, Angular dependence of coercivity in magnetic nanotubes, Nanotechnology 18, 445706 (2007).
J. F. Valdes, W. Lebrecht, and E. E. Vogel, +/- J Ising model on dice lattices, Physica A 385, 551-557 (2007).
C. O’Dwyer, V. Lavayen, D. Fuenzalida, S. B. Newcomb, M. A. Santa Ana, E. Benavente, G. Gonzalez, and C. M. S. Torres, Six-fold rotationally symmetric vanadium oxide nanostructures by a morphotropic phase transition, Physica Status Solidi B 244, 4157-4160 (2007).
D. Laroze, J. Martinez-Mardones, J. Bragard, and C. Perez-Garcia, Realistic rotating convection in a DNA suspension, Physica A 385, 433-438 (2007).
D. Laroze, J. Escrig, P. Landeros, D. Altbir, M. Vazquez, and P. Vargas, A detailed analysis of dipolar interactions in arrays of bi-stable magnetic nanowires, Nanotechnology 18, 415708 (2007).
M. J. M. Pires, J. C. Denardin, I. Dimitru, and L. Spinu, Ferromagnetic resonance studies in Co/SiO2 multilayers, Applied Surface Science 254, 351-354 (2007).
C. O’Dwyer, V. Lavayen, N. Mirabal, M. A. Santa Ana, E. Benavente, S. Ormazabal, G. Gonzalez, Z. Lopez, O. Schops, U. Woggon, and C. M. Sotomayor Torres, Surfactant-mediated variation of band-edge emisión in CdS nanocomposites, Photonics and Nanostructures-Fundamentals and Applications 5, 45-52 (2007).
C. Gomez-Polo, L. M. Socolovsky, J. C. Denardin, M. Knobel, J. I. Perez-Landazabal, and V. Recarte, Magnetocaloric effect in FeCr soft magnetic nanocrystalline alloys, J. Magn. Magn. Mater. 316, E876-E878 (2007).
J. Mazo-Zuluaga, J. Restrepo, and J. Mejia-Lopez, Surface anisotropy of a Fe3O4 nanoparticle: A simulation approach, Physica B 398, 187-190 (2007).
I. B. Bersuker, N. Manini, E. Tosatti, and E. E. Vogel, Proceedings the symposium on the Jan-Teller effect – ICPT – Trieste, Italy, 26-30 August 2006 – Preface, Journal of Molecular Structure 838, 1-2 Sp. Iss. SI (2007).
D. Laroze, J. Martinez-Mardones, and J. Bragard, Thermal convection in a rotating binary viscoelastic liquid mixture, EPJ 146, 291-300 (2007).
C. Dwyer, V. Lavayen, S. B. Newcomb, M. A. Santa Ana, E. Benavente, G. Gonzalez, and C. M. Sotomayor Torres, Vanadate conformation variations in vanadium pentoxide nanostructures, Journal of the Electrochemical Society 154, K29-K35 (2007).
P. M. Haney, D. Waldron, R. A. Duine, A. S. Nunez, H. Guo, and A. H. MacDonald, Current-induced order parameter dynamics: Microscopic theory applied to Co/Cu/Co spin valves, Phys. Rev. B 76, 024404 (2007).
J. Escrig, P. Landeros, D. Altbir, M. Bahiana, and J. d’Albuquerque e Castro, Role of interactions in layered nanorings, Int. J. Nanotechnol. 4, 531-540 (2007).
R. A. Duine, A. S. Nunez, J. Sinova, and A. H. MacDonald, Functional Keldysh theory of spin torques, Phys. Rev. B 75, 214420 (2007).
J. Escrig, D. Altbir, and K. Nielsch, Magnetic properties of bi-phase micro- and nanotubes, Nanotechnology 18, 225704 (2007).
R. Piccin, D. Laroze, M. Knobel, P. Vargas, and M. Vazquez, Magnetotatic interactions between two magnetic wires, EPL 78, 67004 (2007).
J. Escrig, D. Altbir, M. Jaafar, D. Navas, A. Asenjo, and M. Vazquez, Remanence of Ni nanowire arrays: Influence of size and labyrinth magnetic structure, Phys. Rev. B 75, 184429 (2007).
V. Sanchez, E. Benavente, V. Lavayen, C. O’Dwyer, C. M. Sotomayor Torres, G. Gonzalez, and M. A. Santa Ana, Pressure induced anisotropy of electrical conductivity in polycrystalline molybdenum disulfide, Applied Surface Science 253, 6273-6273 (2007).
P. M. Haney, D. Waldron, R. A. Duine, A. S. Nunez, H. Guo, and A. H. MacDonald, Ab initio magnetoresistance and current-induced torques in Cr/Au/Cr multilayers, Phys. Rev. B 75, 174428 (2007).
V. Lavayen, N. Mirabal, C. O’Dwyer, M. A. Santa Ana, E. Benavente, C. M. Sotomayor Torres, and G. Gonzalez, The formation of nanotubes and nanocoils of molybdenum disulphide, Applied Surface Science 253, 5185-5190 (2007).
V. Lavayen, C. O’Dwyer, G. Cardenas, G. Gonzalez, and C. M. Sotomayor Torres, Towards thiol functionalization of vanadium pentoxide nanotubes using gold nanoparticles, Materials Research Bulletin 42, 674-685 (2007).
J. Escrig, P. Landeros, D. Altbir, and E. E. Vogel, Effect of anisotropy in magnetic nanotubes, J. Magn. Magn. Mater. 310, 2448-2450 (2007).
P. Landeros, S. Allende, J. Escrig,E. Salcedo, D. Altbir, and E. E. Vogel, Reversal modes in magnetic nanotubes, Appl. Phys. Lett. 90, 102501 (2007).
Z. Wei, A. Sharma, A. S. Nunez, P. M. Haney, R. A. Duine, J. Bass, A. H. MacDonald, and M. Tsoi, Changing exchange bias in spin valves with an electric current, Phys. Rev. Lett. 98, 116603 (2007).
N. E. Massa, J. C. Denardin, L. A. Socolovsky M. Knobel, F. P. de la Cruz, and X. X. Zhang, Infrared reflectivity of Co-x(SiO2)(1-x)(x similar to 0.85, 0.55, 0.38) granular films on SiO2 glass substrates, Solid State Communications 141, 551-554 (2007).
E. Katzav, M. Adda-Bedia, and R. Arias, Theory of dynamic crack branching in brittle materials, International Journal of Fracture 143, 245-271 (2007).
R. A. Duine, A. S. Nunez, and A. H. MacDonald, Thermally assisted current-driven domain-wall motion, Phys. Rev. Lett. 98, 056605 (2007).
J. Escrig, P. Landeros, D. Altbir, E. E. Vogel, and P. Vargas, Phase diagrams of magnetic nanotubes, J. Magn. Magn. Mater. 308, 233-237 (2007).
J. Diaz-Valdes, F. A. Gutierrez, A. R. Matamala, C. D. Denton, P. Vargas, and J. E. Valdes, Ground state of a hydrogen ion molecule immersed in a inhomogeneous electron gas, Nucl. Instr. And Meth. In Phys. Res. B 256, 81-85 (2007).
F. Roma, S. Risau-Gusman, A. J. Ramirez-Pastor, F. Nieto, and E. E. Vogel, Influence of the ground-state topology on domain-wall energy in the Edwards-Anderson +/- J spin glass model, Phys. Rev. B 75, 020402 (2007).
V. Lavayen, C. O’Dwyer, M. A. Santa Ana, N. Mirabal, E. Benavente, G. Cardenas, G. Gonzalez, and C. M. Sotomayor Torres, Functionalization of lamellar molybdenum disulphide nanocomposite with gold particles, Applied Surface Science 253, 3444-3449 (2007).
C. O’Dwyer, V. Lavayen, S. B. Newcomb, E. Benavente, M. A. Santa Ana, G. Gonzalez, and C. M. Sotomayor Torres, Atomic layer structure of vanadium oxide nanotubes grown on nanourchin structures, Electrochemical and Solid State Letters 10, A111-A114 (2007).
R. A. Duine, P. M. Haney, A. S. Nunez, and A. H. MacDonald, Inelastic scattering in ferromagnetic and antiferromagnetic spin valves, Phys. Rev. B 75, 014433 (2007).

R. Arias, "Dipole Exchange spin waves in perpendicularly magnetized discs; the role of the Oersted field", R.E. Arias, D.L. Mills. Phys. Rev. B 75, 214404 (2007)