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Juan Manuel Florez Uribe

Investigador

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

VALPARAISO, Chile

COMPUTATIONAL MATERIALS SCIENCES; MAGNETIC MATERIALS; MULTIFERROICS; QUANTUM MECHANICS; STATISTICAL MECHANICS; MATERIALS INFORMATICS; MAGNETOCALORIC EFFECT; TRANSPORT AND FERROIC PROPERTIES OF NANOSTRUCTURES; FIRST AND SECOND-PRINCIPLES SIMULATIONS

Física, UNIVERSIDAD DE ANTIOQUIA. Colombia, 2005
Materia Condensada, UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2010

Investigador Full Time

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

Valparaíso, Chile

2010 - A la fecha

Postdoctoral Associate Full Time

Massachusetts Institute of Technology

Cambridge, Estados Unidos

2011 - 2013

(1) Master thesis:
Title: “Propiedades Magnetocalóricas De Materiales Altamente Frustrados Con Estructuras tipo Fe2-P”
Student: Oscar Andrés Negrete. Physics Department USM. Role: principal advisor.
State: Finished - Defended March 2018

(2) Master thesis:
Title: “Ajuste de las Propiedades Magnéticas y Estructurales de la Perovskita SrTiFeCoO3 a través de la deficiencia de Oxígeno”
Student: Mariel Amparo Opazo. Physics Department USM. Role: principal advisor.
State: Finished - Defended March 2019

(3) Master thesis:
Title: “Efectos de vacancias de oxígeno en la polarización eléctrica de SrTiO3-delta sustituido con Co y Fe”
Student: Emilio Andrés Cortés. Physics Department USM. Role: principal advisor.
State: In Progress - Defended 2022.

(2) Master thesis:
Title: “Magnetización de perovskitas ABO3-delta: un estudio Monte Carlo”
Student: Miguel Angel Solís. Physics Department USM. Role: principal advisor.
State: In Progress - Defended 2023.


Behavior of localized states in double twisted ABC trilayer graphene Riffo, Felipe Perez; Vizcaya, Sanber; Menendez-Proupin, E.; Florez, Juan M.; Chico, Leonor; Morell, Eric Suarez Article ISI CARBON (2024)
On the Magnetization and Entanglement Plateaus in One-Dimensional Confined Molecular Magnets Norambuena Leiva, Javier I.; Cortes Estay, Emilio A.; Suarez Morell, Eric; Florez, Juan M. Article ISI MAGNETOCHEMISTRY (2024)
Ferroelectric response to interlayer shifting and rotations in trilayer hexagonal Boron Nitride Cortes, Emilio A.; Florez, Juan M.; Suarez Morell, Eric Article ISI JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS (2023)
First-principles based Monte Carlo modeling of the magnetization of oxygen-deficient Fe-substituted SrTiO<sub>3</sub> Florez, Juan. M. M.; Solis, Miguel. A. A.; Estay, Emilio. A. Cortes A.; Morell, E. Suarez; Ross, Caroline. A. A. Article ISI PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2023)
Oxygen Deficiency and Migration-Mediated Electric Polarization in Magnetic Fe,Co-Substituted SrTiO<sub>3-<i>δ</i></sub> Estay, Emilio A. Cortes; Ong, Shyue P.; Ross, Caroline A.; Florez, Juan M. Article ISI MAGNETOCHEMISTRY (2022)
Oxygen-vacancy tuning of magnetism in SrTi0.75Fe0.125Co0.125O3-delta perovskite Opazo, MA; Ong, SP; Vargas, P; Ross, CA; Florez, JM Article Physical Review Materials (2019)
Magnetocaloric Effect in Non-Interactive Electron Systems=> “The Landau Problem” and Its Extension to Quantum Dots Negrete, A. Oscar; Peña, Francisco J.; Florez, J. M.; Vargas, Patricio Article ENTROPY (2018)
Magnetic effects of interstitial hydrogen in nickel Le?n, Andrea; Vel?squez, E.A.; Mazo-Zuluaga, J.; Mej?a-L?pez, J.; Florez, J.M.; Vargas, P. Article ISI SCOPUS JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS (2017)
Magnetism and Faraday Rotation in Oxygen-Deficient Polycrystalline and Single-Crystal Iron-Substituted Strontium Titanate Goto, Taichi; Kim, Dong Hun; Sun, Xueyin; Onbasli, Mehmet C.; Florez, Juan M.; Ong, Shyue Ping; Vargas, Patricio; Ackland, Karl; Stamenov, Plamen; Aimon, Nicolas M.; Inoue, Mitsuteru; Tuller, Harry L.; Dionne, Gerald F.; Coey, J. Michael D.; Ross, Caroline A. Article ISI SCOPUS PHYSICAL REVIEW APPLIED (2017)
Geometrically frustrated Fe2P-like systems: beyond the Fe-trimer approximation Florez, JM; Negrete, OA; Vargas, P.; Ross, CA Article ISI SCOPUS Journal of Physics Condensed Matter (2015)
Magnetic entropy change plateau in a geometrically frustrated layered system: FeCrAs-like iron-pnictide structure as a magnetocaloric prototype Florez, JM; Vargas, P.; Garcia C.; Ross, CA Article ISI SCOPUS Journal of Physics Condensed Matter (2013)
Magnetostriction in epitaxial SrTi1-xFexO3-delta perovskite films with x=0.13 and 0.35 Kim, DH; Aimon, NM; Bi, L; Florez, JM; Dionne, GF; Ross, CA Article ISI SCOPUS Journal of Physics Condensed Matter (2013)
Factorizing magnetic fields triggered by the Dzyaloshinskii-Moriya interaction: Application to magnetic trimers Florez, J. M.; Vargas, P. Article ISI SCOPUS Journal of Magnetism and Magnetic Materials (2012)
First-principles insights on the magnetism of cubic SrTi1-xCoxO3-delta Florez, J. M.; Ong S.P.; Onbasli M.C.; Dionne G.F.; Vargas, P.; Ceder G.; Ross, C. A. Article ISI SCOPUS Applied Physics Letters (2012)
Effect of the exchange bias coupling strength on the magnetoimpedance of IrMn/NiFe films Garcia C.; Florez, JM; Vargas, P.; Ross, CA Article ISI SCOPUS Journal of Applied Physics (2011)
Thermal observables in coupled Cr7Ni molecular rings: Role and quantification of spin-entanglement Florez, JM; Vargas, P.; Garcia C. Article ISI SCOPUS Journal of Applied Physics (2011)
Asymmetrical giant magnetoimpedance in exchange-biased NiFe Garcia C., Florez; JM, Vargas; P., Ross Article Applied Physics Letters (2010)
Magnetocaloric features of complex molecular magnets: The (Cr7Ni)(2)Cu molecular magnet and beyond Florez, JM; Nunez, AS; Garcia C.; Vargas, P. Article ISI SCOPUS Journal of Magnetism and Magnetic Materials (2010)
Quenching points of dimeric single-molecule magnets: Exchange interaction effects Florez, JM; Nunez, AS; Vargas, P. Article ISI SCOPUS Journal of Magnetism and Magnetic Materials (2010)
Instantons and magnetization tunneling=> Beyond the giant-spin approximation Florez, JM; Vargas, P.; Nunez, AS Article PHYSICA B-CONDENSED MATTER (2009)
Metastable states in the triangular-lattice Ising model studied by Monte Carlo simulations=> Application to the spin-chain compound Ca3Co2O6 Soto R., Martinez; G, Baibich; MN, Florez; JM, Vargas Article PHYSICAL REVIEW B (2009)
Quantum tunneling in nanomagnetic systems with different uniaxial anisotropy order Florez, JM; Nunez, AS; Vargas, P. Article NANOTECHNOLOGY (2009)
Path integral study of phase transitions for thermons in macroscopic quantum tunneling Florez, JM; Vargas, P. Article MICROELECTRONICS JOURNAL (2008)
Mossbauer study of hematita mechanically milled Florez, J. M.; Mazo-Zuluaga, J.; Casanova, H.; Restrepo, J. Article REVISTA COLOMBIANA DE FISICA (2006)
Critical behavior of magnetite: A Mossbauer and Monte Carlo study Florez, J. M.; Mazo-Zuluaga, J.; Restrepo, J. Article REVISTA COLOMBIANA DE FISICA (2005)
Ferrimagnetic to paramagnetic transition in magnetite: Mossbauer versus Monte Carlo Florez, JM; Mazo-Zuluaga, J; Restrepo, J Article ISI HYPERFINE INTERACTIONS (2005)
Local structural order in nanostructured hematite Florez, J. M.; Mazo-Zuluaga, J.; Restrepo, J. Article ISI HYPERFINE INTERACTIONS (2005)


Computational Modeling of Multiferroic Materials FONDECYT (11130128) Proyecto 2013-2016 Inv. Responsable
Magnetic and Electronic Properties of Novel Materials FONDECYT (1130950) Proyecto 2013-2016 Coinvestigador(a)
Multiferroic Materials and Their Applications=> Experiments and Theoretical Simulations MIT (MISTI MIT-Chile) Proyecto 2013-2014 Inv. Principal
Single-molecule magnets and self-assembly of polymers=> from low-cost systems of high-density for processing and storing information in molecular spintronics to climate-friendly technologies in molecular magnetic refrigeration. FONDECYT (3110077) Proyecto 2010-2012 Inv. Principal