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José Mejía López

Profesor Titular

PONTIFICIA UNIVERSIDAD CATÓLICA E CHILE

Santiago, Chile

Magnetic properties of nanostructured systems; Magnetic and electric properties of clusters and molecules; Physical properties of exchange-biased systems; Computational simulations of physical systems

Doctor en Física , Escuela Superior Politécnica de Chimborazo. Ecuador, 1991
Maestría en Ciencias Exactas, Pontificia Universidad Católica de Chile. Chile, 1998
Doctorado en Ciencias Exactas, Pontificia Universidad Católica de Chile. Chile, 2000

Profesor Principal Full Time

Escuela Superior Politécnica de Chimborazo

Ciencias

Riobamba, Ecuador

1991 - 1996
Profesor Asociado Full Time

Universidad de Santiago de Chile

Ciencia

Santiago, Chile

2001 - 2004
Profesor Titular Full Time

Pontificia Universidad Católica de Chile

Física

Santiago, Chile

2004 - A la fecha

Director del Centro de Nanotecnología y Materiales Avanzados Other

Pontificia Universidad Católica de Chile

Santiago, Chile

2013 - 2018
Profesor Asociado (Sabático) Full Time

Universidad de Antioquia

Medellín, Colombia

2012 - 2013
Secretario Académico de la Facultad de Física Other

Pontificia Universidad Católica de Chile

Santiago, Chile

2010 - 2012
Posdoctorado Full Time

Pontificia Universidad Católica de Chile

Santiago, Chile

2000 - 2001
Subdirector de Investigación y Postgrado, Departamento de Física Other

Universidad de Santiago de Chile

Santiago, Chile

2003 - 2004
Coordinador del Area de Física de Facultad de Ciencias Other

Escuela Superior Politécnica de Chimborazo

Riobamba, Ecuador

1991 - 1995
Coordinador del Laboratorio Computacional de Física, Facultad de Ciencias Other

Escuela Superior Politécnica de Chimborazo

Riobamba, Ecuador

1993 - 1996

• Director, Maestría en Física, “Propiedades magnéticas en sistemas bidimensionales: Efecto de defectos magnéticos sustitucionales”, Isabel Arias, Facultad de Física, Pontificia Universidad Católica de Chile, en ejecución.
• Doctorado en Física (Codirector), “Estudio computacional de ensambles de nanohilos ferromagnéticos”, Andrés Ochoa, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Medellin, Colombia, Julio 2020.
• Director, Doctorado en Física, “Parametrización y aplicación de un potencial de muchos cuerpos y transferencia de carga para Fe y FeF2”, Edwin Tangarife, Facultad de Física, Pontificia Universidad Católica de Chile, Diciembre 2017.
• Director, Licenciatura en Física, “Implementación del efecto espín-órbita en modelos de Tight-Binding” , Daniel Castillo, Facultad de Física, Agosto 2015 –Diciembre 2015.
• Director, Maestría en Física, “Acoplamiento magnético en nanocilindros compuestos por tres capas”, Rafael Uribe, Facultad de Física, Noviembre 2013 .
• Director, Maestría en Física, “Estudio de las propiedades de transporte electrónico en sistemas nanoestructurados: defectos en nanocintas de grafeno del tipo armchair”, Marcos Perez, Facultad de Física, Julio 2012.
• Doctorado en Física (Codirector), “Propiedades Magnéticas y Estructura Electrónica de Sistemas a Escala Nanométrica: Teoría y Experimento”, Luis Fernando Duque Gómez, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Medellin, Colombia, Mayo 2012.
• Director, Doctorado en Física, “Propiedades magnéticas de nanoestructuras”, Francisco Muñoz, Facultad de Física, Pontificia Universidad Católica de Chile, Octubre 2010.
• Director, Licenciatura en Física “Propiedades magneto-estructurales de clusters bimetálicos”, Marcos Pérez, Facultad de Física, Facultad de Física, Pontificia Universidad Católica de Chile, Agosto 2009.
• Doctorado en Física (Codirector), “Propiedades Magnéticas y efectos de tamaño finito en nanoestructuras de magnetita”, Johan Mazo Zuluaga, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Medellin, Colombia, Junio 2008.
• Director, Licenciatura en Física, “Calculos ab-initio del efecto de las moleculas de Thiol en agregados de Manganeso”, José Pinto, Facultad de Física, Facultad de Física, Pontificia Universidad Católica de Chile, Diciembre 2006.
• Director, Licenciatura en Física, “Estudio de propiedades magnéticas de nano-anillos por medio de simulaciones de Monte Carlo”, José Aguiló, Facultad de Física, Facultad de Física, Pontificia Universidad Católica de Chile, Diciembre 2006.
• Director, Maestría en Física, “Propiedades Magnéticas de Ferrofluidos”, Paul Soto, Departamento de Física, Universidad de Santiago de Chile, Enero 2006.
• Director, Licenciatura en Física, “Aplicaciones de Montecarlo en nanomagnetismo”, Paul Soto, Departamento de Física, Universidad de Santiago de Chile, 2003.
• Director, Licenciatura en Física, “Creación de Partículas en un Campo Gravitacional”, Miguel Tasambay, Facultad de Ciencias, Escuela Superior Politécnica de Chimborazo, Ecuador, 1995.
• Director, Licenciatura en Física, “Efecto Casimir en un Campo Gravitacional”, Robert Guzmán, Facultad de Ciencias, Escuela Superior Politécnica de Chimborazo, Ecuador, 1995.
• Director, Licenciatura en Física, “Didáctica de la Física: Magnetismo”, Lucía Cazco, Facultad de Ciencias, Escuela Superior Politécnica de Chimborazo, Ecuador, 1994.


Force-constant model for the vibrational modes in black-phosphorene and phosphorene nanoribbons (PNRs) Boutahir, Oussama; Lakhlifi, Souhail; Ait Abdelkader, Sidi Abdelmajid Article WOS PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES (2021)
Structural stability, shape memory and mechanical properties of Fe/Ni core/shell nanorods Article WOS JOURNAL OF ALLOYS AND COMPOUNDS (2021)
(Cu)(tet)[Cr2-xSnx]octS(4-y)Se(y) Spinels: Crystal Structure, Density Functional Theory Calculations, and Magnetic Behavior (vol 58, pg 13945, 2019) Moris, Silvana Article ISI INORGANIC CHEMISTRY (2020)
Encapsulation effect of pi-conjugated quaterthiophene on the radial breathing and tangential modes of semiconducting and metallic single-walled carbon nanotubes Chenouf, Jamal; Boutahir, Mourad; Fakrach, Brahim; Rahmani, Abdelhai; Chadli, Hassane; Hermet, Patrick; Rahmani, Abdelali Article ISI JOURNAL OF COMPUTATIONAL CHEMISTRY (2020)
Hydrogen induced AFM to FM magnetic transition in epsilon-FeHx Torres, FJ Article ISI SCOPUS JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS (2020)
Strain-induced phase transition in CrI3 bilayers Leon, A. M. Article ISI 2D MATERIALS (2020)
Structural Relaxation and Crystalline Phase Effects on the Exchange Bias Phenomenon in FeF2/Fe Core/Shell Nanoparticles Velasquez, Ever A.; Tangarife, Edwin Article ISI ADVANCED MATERIALS INTERFACES (2020)
(Cu)(tet)(Cr2-xSnx)(oct)S4-ySey Spinels: Crystal Structure, Density Functional Theory Calculations, and Magnetic Behavior Moris, Silvana; Valencia-Gálvez, Paulina Article ISI SCOPUS INORGANIC CHEMISTRY (2019)
A charge optimized many-body potential for iron/iron-fluoride systems MejÃa-LÃ³pez J. Article ISI SCOPUS PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2019)
Novel photobioreactor design for the culture of Dunaliella tertiolecta - Impact of color in the growth of microalgae Rebolledo-Oyarce, José Article ISI SCOPUS BIORESOURCE TECHNOLOGY (2019)
Ab initio study of the magnetic behavior of metal hydrides: A comparison with the Slater-Pauling curve Article ISI SCOPUS COMPUTATIONAL MATERIALS SCIENCE (2018)
Uniaxial magnetic anisotropy energy of bimetallic Co-Ni clusters from a first-principles perspective Article ISI SCOPUS PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2018)
Magnetic effects of interstitial hydrogen in nickel Le?n, Andrea; Vel?squez, E.A. Article ISI SCOPUS JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS (2017)
Energetics and the magnetic state of Mn2 adsorbed on Au(111): Dimer bond distance dependence López-Moreno, S; Mejía-López, J; Muñoz, F; Calles, A; Morán-López, JL Article ISI SCOPUS JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS (2016)
Bridging the gap between discrete and continuous magnetic models in the scaling approach Velásquez, EA; Mazo-Zuluaga, J; Vargas, P; Mejía-López, J Article ISI SCOPUS Physical Review B - Condensed Matter and Materials Physics (2015)
Surface states of FeF2 (110) and its uncompensated magnetization Muñoz, F; Romero, AH; Mejía-López, J; Roshchin, IV; Gonzalez, RI; Kiwi, M Article ISI SCOPUS Journal of Magnetism and Magnetic Materials (2015)
Ornstein-Zernike correlations and magnetic ordering in nanostructures Velásquez, EA; Mazo-Zuluaga, J; Altbir, D; Mejía-López, J Article ISI EUROPEAN PHYSICAL JOURNAL B (2014)
Physical properties of quasi-one-dimensional MgO and Fe3O4-based nanostructures Mejía-López, J; Mazo-Zuluaga, J; López-Moreno, S; Muñoz, F; Duque, LF; Romero, AH Article ISI SCOPUS PHYSICAL REVIEW B (2014)
Finite size effects on the magnetocrystalline anisotropy energy in Fe magnetic nanowires from first principles Muñoz, F; Romero, AH; Mejía-López, J; Morán-López, JL Article ISI SCOPUS Journal of Nanoparticle Research (2013)
Magnetic properties of small cobalt-copper clusters Martínez, G; Tangarife, E.; Perez, M; Mejía-López, J Article ISI SCOPUS Journal of Physics Condensed Matter (2013)
Searching for the nanoscopic-macroscopic boundary Velásquez, EA; Altbir, D; Mazo-Zuluaga, J; Duque, LF; Mejía-López, J Article ISI SCOPUS Journal of Magnetism and Magnetic Materials (2013)
Size dependence study of the ordering temperature in the Fast Monte Carlo method Velásquez, EA; Mazo-Zuluaga, J; Mejía-López, J Article ISI SCOPUS Journal of Nanoparticle Research (2013)
Displacements of hysteresis loops in magnetite nanoparticles Mazo-Zuluaga, J; Mejía-López, J; Muñoz, F; Restrepo, J. Article ISI REVISTA MEXICANA DE FISICA (2012)
First-principles study of electronic, vibrational, elastic, and magnetic properties of FeF2 as a function of pressure López-Moreno, S; Romero, A. H.; Mejía-López, J; Muñoz, A Article ISI SCOPUS Physical Review B - Condensed Matter and Materials Physics (2012)
First-principles theoretical investigation of monoatomic and dimer Mn adsorption on noble metal (111) surfaces Muñoz, F; Romero, A. H.; Mejía-López, J Article ISI SCOPUS Physical Review B - Condensed Matter and Materials Physics (2012)
Physical and chemical properties of Con-mCum nanoclusters with n=2-6 atoms via ab-initio calculations Perez, M; Muñoz, F; Mejía-López, J; Martínez, G Article ISI SCOPUS Journal of Nanoparticle Research (2012)
Asymmetric magnetic dots: A way to control magnetic properties Vargas, NM; Allende, S; Leighton, B.; Escrig, J; Mejía-López, J; Altbir, D; Schuller, IK Article ISI SCOPUS JOURNAL OF APPLIED PHYSICS (2011)
Energy contributions in magnetite nanoparticles: computation of magnetic phase diagram, theory, and simulation Mejía-López, J; Mazo-Zuluaga, J Article ISI SCOPUS Journal of Nanoparticle Research (2011)
Monoatomic and dimer Mn adsorption on the Au(111) surface from first principles Muñoz, F; Romero, AH; Mejía-López, J; Morán-López, JL Article ISI SCOPUS Physical Review B - Condensed Matter and Materials Physics (2011)
Development of vortex state in circular magnetic nanodots: Theory and experiment Mejía-López, J; Altbir, D; Landeros, P; Escrig, J; Romero, AH; Roshchin, IV; Li, CP; Fitzsimmons, MR; Batlle, X; Schuller, IK Article ISI SCOPUS Physical Review B - Condensed Matter and Materials Physics (2010)
Exchange bias of patterned systems: Model and numerical simulation García, G; Kiwi, M; Mejía-López, J; Ramirez, R Article ISI SCOPUS Journal of Magnetism and Magnetic Materials (2010)
Uniaxial Magnetic Anisotropy Energy of Fe Wires Embedded in Carbon Nanotubes Muñoz, F; Mejía-López, J; Perez-Acle, T; Romero, AH Article ISI SCOPUS ACS Nano (2010)
Measurement of the vortex core in sub-100 nm Fe dots using polarized neutron scattering Roshchin, IV; Li, CP; Suhl, H; Batlle, X; Roy, S; Sinha, SK; Park, S; Pynn, R; Fitzsimmons, MR; Mejía-López, J; et al. Article ISI SCOPUS EPL (2009)
Physical and chemical characterization of Pt12-nCun clusters via ab initio calculations Mejía-López, J; García, G; Romero, AH Article ISI SCOPUS JOURNAL OF CHEMICAL PHYSICS (2009)
Structure and electronic properties of iron oxide clusters: A first-principles study López, S; Romero, AH; Mejía-López, J; Mazo-Zuluaga, J; Restrepo, J. Article ISI SCOPUS PHYSICAL REVIEW B (2009)
Surface anisotropy, hysteretic, and magnetic properties of magnetite nanoparticles: A simulation study Mazo-Zuluaga, J; Restrepo, J.; Muñoz, F; Mejía-López, J Article ISI SCOPUS Journal of Applied Physics (2009)
Effect of sulphur doping on manganese clusters: an ab initio study Mejía-López, J; Pinto, J; Romero, AH Article ISI SCOPUS EUROPEAN PHYSICAL JOURNAL D (2008)
Effect of surface anisotropy on the magnetic properties of magnetite nanoparticles: A Heisenberg-Monte Carlo study Mazo-Zuluaga, J; Restrepo, J.; Mejía-López, J Article ISI SCOPUS JOURNAL OF APPLIED PHYSICS (2008)
Influence of non-stoichiometry on the magnetic properties of magnetite nanoparticles Mazo-Zuluaga, J; Restrepo, J.; Mejía-López, J Article ISI SCOPUS JOURNAL OF PHYSICS-CONDENSED MATTER (2008)
Understanding the elusive magnetic behavior of manganese clusters Mejía-López, J; Romero, AH; Garcia, ME; Morán-López, JL Article ISI SCOPUS PHYSICAL REVIEW B (2008)
Surface anisotropy of a Fe3O4 nanoparticle: A simulation approach Mazo-Zuluaga, J; Restrepo, J.; Mejía-López, J Article ISI SCOPUS PHYSICA B-CONDENSED MATTER (2007)
Ground state geometries and hysteresis loops of small granular ferrofluids as function of coating Romero, AH; Mejía-López, J Article ISI SCOPUS PHYSICA B-CONDENSED MATTER (2006)
Noncollinear magnetism, spin frustration, and magnetic nanodomains in small Mn-n clusters Mejía-López, J; Romero, AH; Garcia, ME; Morán-López, JL Article ISI SCOPUS PHYSICAL REVIEW B (2006)
Vortex state and effect of anisotropy in sub-100-nm magnetic nanodots Mejía-López, J; Altbir, D; Romero, AH; Batlle, X; Roshchin, IV; Li, CP; Schuller, IK Article ISI SCOPUS JOURNAL OF APPLIED PHYSICS (2006)
Asymmetric reversal of the hysteresis loop in exchange-biased nanodots Mejía-López, J; Soto, P; Altbir, D Article ISI SCOPUS PHYSICAL REVIEW B (2005)
Structural similarities between Ti metal and titanium oxides: implications on the high-pressure behavior of oxygen in metallic matrices Vegas A.; Mejía-López, J; Romero, AH; Kiwi, M; Santamaria-Perez, D; Baonza, VG Article ISI SCOPUS SOLID STATE SCIENCES (2004)
Relaxation times in exchange-biased nanostructures Mejía-López, J; Altbir, D; Schuller, IK Article ISI SCOPUS APPLIED PHYSICS LETTERS (2003)
Analytic treatment of the incomplete ferromagnetic domain-wall model for exchange bias Mejía-López, J; Ramirez, R; Kiwi, M Article ISI SCOPUS JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS (2002)
Coercivity of a percolative magnetic system Mejía-López, J; Ramirez, R; Kiwi, M; Kim, S; Suhl, H Article SCOPUS PHYSICAL REVIEW B (2001)
Coercivity of a percolative magnetic system - art.no. 060401 Mejía-López, J; Ramirez, R; Kiwi, M; Pechan, MJ; Hilt, JZ; Kim, S; Suhl, H; Schuller, IK Article ISI PHYSICAL REVIEW B (2001)
Percolation and magnetism: interplay and relevance Kiwi, M; Mejía-López, J; Schuller, IK; Suhl, H Article ISI JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS (2001)
Positive exchange bias model: Fe/FeF2 and Fe/MnF2 bilayers Kiwi, M; Mejía-López, J; Portugal, RD; Ramirez, R Article ISI SCOPUS SOLID STATE COMMUNICATIONS (2000)


Exchange bias theory: The role of interface structure and of domains in the ferromagnet Kiwi, M; Mejía-López, J; Portugal, RD; Ramirez, R ConferencePaper ISI PHYSICS OF LOW DIMENSIONAL SYSTEMS (2001)


Recent developments in magnetic nanostructures Morán-López, JL; Guirado-Lopez, RA; Montejano-Carrizalez, JM; Aguilera-Granja, F; Rodriguez-Alba, R; Mejía-López, J; Romero, AH; Garcia, ME Review ISI CURRENT SCIENCE (2008)