Juan Gabriel Ramirez Rojas

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Juan Gabriel Ramirez Rojas

Juan Gabriel Ramirez Rojas

Doctor En Ciencias - Física

jgramirez @uniandes.edu.co

Profesor Asociado

Office: IP 303

Extension: 3608

Departamento de Física

Profile
Courses
Products
Degrees
Projects

Profile

Recent Courses

  • 2025

    • TERMODINÁMICA

      First period
      Bachelor Level

      TRABAJO DE GRADO (1)

      First period
      Master Level
View more

Recent Products

Medina S, Mercado L, Cardona A, Quiñonez M, Magén C, Rodríguez L, Ramirez J.G.. (2025)
Resistive switching mechanisms in BiFeO3 devices with YBCO and Ag as top electrodes
Physics Open (ISSN 2666-0326)
Article
Read More
Echeverri A, Mojica- Sanchez L. C., Amaya L, Giron L, Ramirez J.G., Juan S. Guevara-Ramirez, Cardona-rodriguez A, Tabares J, Perez G, Colorado H, Valenzuela J, Maccari F, Trujillo J. (2025)
The effect of Cu on phase stability and magnetic properties of $\tau$-MnAl: A comparative study of Mn$_55-x$Al$_45$Cu$_x$ and Mn$_55$Al$_45-x$Cu$_x$ (x = 0.0, 2.0, 2.5) alloys
Heliyon ()
Article
View more

Recent Degrees

Doctor En Ciencias - Física

Doctoral degree

Universidad Del Valle

2009

Colombia

Físico

Bachelor degree

Universidad Del Valle

2004

Colombia

View more

Recent Projects

  • 2016
    • Control of functionalities in hybrid materials with complex oxides

      Duration: 36 months

      PR.3.2015.2642

View more

Courses

  • 2025

    • TERMODINÁMICA

      First period
      Bachelor Level

      TRABAJO DE GRADO (1)

      First period
      Master Level

    • TRABAJO DE GRADO (2)

      First period
      Master Level

      CURSO TUTORIAL I

      First period
      Master Level

    • FÍSICA I

      First period
      Bachelor Level

      CURSO DIRIGIDO II

      First period
      Doctoral Level

    • TESIS IV (8 CRED.)

      First period
      Doctoral Level

      SEMINARIO AVANZADO 3

      First period
      Doctoral Level

    • EXAMEN DE CANDIDATURA

      First period
      Doctoral Level

      TESIS V (8 CRED.)

      First period
      Doctoral Level

    • SUSTENTACIÓN DE TESIS

      First period
      Doctoral Level

      INVESTIGACIÓN 1

      First period
      Doctoral Level

    • EXAMEN DE CONOCIMIENTOS

      First period
      Doctoral Level

      PASANTÍA II

      First period
      Doctoral Level

    • TESIS III (12 CRED.)

      First period
      Doctoral Level

      TRABAJO DE GRADO 2 (MA 35 CR)

      First period
      Master Level

    • SEMINARIO AVANZADO 4

      First period
      Doctoral Level

      TESIS II (12 CRED.)

      First period
      Doctoral Level

    • SEM. NANOCIENCIA Y FENÓM.CUÁNT

      First period
      Bachelor Level

      TESIS V (12 CRED.)

      First period
      Doctoral Level

    • TESIS VI (8 CRED.)

      First period
      Doctoral Level

      TRABAJO DE GRADO 1 (MA 35 CR)

      First period
      Master Level

    • TRABAJO DE GRADO 3 (MA 35 CR)

      First period
      Master Level

      TESIS IV (12 CRED.)

      First period
      Doctoral Level
  • 2024

    • TESIS III (8 CRED.)

      Second period
      Doctoral Level

      TESIS IV (12 CRED.)

      Second period
      Doctoral Level

    • TESIS V (12 CRED.)

      Second period
      Doctoral Level

      TESIS VIII (8 CRÉD)

      Second period
      Doctoral Level

    • SEM. NANOCIENCIA Y FENÓM.CUÁNT

      Second period
      Bachelor Level

      INVESTIGACIÓN 2

      First period
      Doctoral Level

    • EXAMEN DE CONOCIMIENTOS

      First period
      Doctoral Level

      PASANTÍA II

      First period
      Doctoral Level

    • PASANTIA IV

      First period
      Doctoral Level

      PASANTIA V

      First period
      Doctoral Level

    • TRABAJO DE GRADO (1)

      First period
      Master Level

      TRABAJO DE GRADO (2)

      First period
      Master Level

    • TOP CORE LEVEL SPECTR THEO/SIM

      First period
      Master Level

      SEMINARIO AVANZADO 2

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 3

      First period
      Doctoral Level

      SEMINARIO AVANZADO 6

      First period
      Doctoral Level

    • PASANTÍA III

      First period
      Doctoral Level

      PASANTIA VI

      First period
      Doctoral Level

    • FISICA I (REFORMA 202020)

      First period
      Bachelor Level

      SEM.1 NANOCIENCIA,FENÓM.CUÁNTI

      First period
      Master Level

    • SEM.2 NANOCIENCIA,FENÓM.CUÁNTI

      First period
      Master Level

      FISICA MODERNA

      Second period
      Bachelor Level

    • PASANTÍA II

      Second period
      Doctoral Level

      PASANTIA V

      Second period
      Doctoral Level

    • TESIS I (6 CRED.)

      Second period
      Doctoral Level

      TESIS I (8 CRED.)

      Second period
      Doctoral Level

    • TESIS I (12 CRED.)

      Second period
      Doctoral Level

      TESIS II (12 CRED.)

      Second period
      Doctoral Level

    • TESIS III (12 CRED.)

      Second period
      Doctoral Level

      TESIS VII (12 CRED.)

      Second period
      Doctoral Level

    • TESIS VII (8 CRED.)

      Second period
      Doctoral Level

      FÍSICA II (REFORMA 202020)

      Second period
      Bachelor Level

    • CURSO TUTORIAL I

      First period
      Master Level

      SEMINARIO AVANZADO 1

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 8

      First period
      Doctoral Level

      INVESTIGACIÓN 1

      First period
      Doctoral Level

    • TESIS VI (8 CRED.)

      First period
      Doctoral Level

      TESIS VIII (8 CRÉD)

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 4

      First period
      Doctoral Level

      SEMINARIO AVANZADO 5

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 7

      First period
      Doctoral Level

      CURSO DIRIGIDO I

      First period
      Doctoral Level

    • CURSO DIRIGIDO II

      First period
      Doctoral Level

      PASANTÍA

      First period
      Doctoral Level

    • EXAMEN DE CANDIDATURA

      First period
      Doctoral Level

      PASANTÍA VII

      First period
      Doctoral Level

    • TESIS I (12 CRED.)

      First period
      Doctoral Level

      TRABAJO DE GRADO (1)

      Second period
      Master Level

    • INVESTIGACIÓN 2

      Second period
      Doctoral Level

      CURSO DIRIGIDO I

      Second period
      Doctoral Level

    • CURSO DIRIGIDO II

      Second period
      Doctoral Level

      EXAMEN DE CONOCIMIENTOS

      Second period
      Doctoral Level

    • PASANTIA IV

      Second period
      Doctoral Level

      PASANTIA VI

      Second period
      Doctoral Level

    • SEMINARIO AVANZADO 4

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 8

      Second period
      Doctoral Level

    • SEMINARIO AVANZADO 9

      Second period
      Doctoral Level

      PASANTÍA

      Second period
      Doctoral Level

    • EXAMEN DE CANDIDATURA

      Second period
      Doctoral Level

      TRABAJO DE GRADO (2)

      Second period
      Master Level

    • CURSO TUTORIAL I

      Second period
      Master Level

      SEMINARIO AVANZADO 3

      Second period
      Doctoral Level

    • SEMINARIO AVANZADO 5

      Second period
      Doctoral Level

      INVESTIGACIÓN 1

      Second period
      Doctoral Level

    • TESIS I (6 CRED.)

      First period
      Doctoral Level

      TESIS II (8 CRED.)

      First period
      Doctoral Level

    • TESIS II (12 CRED.)

      First period
      Doctoral Level

      TESIS IV (12 CRED.)

      First period
      Doctoral Level

    • TESIS V (8 CRED.)

      First period
      Doctoral Level

      TESIS V (12 CRED.)

      First period
      Doctoral Level

    • TESIS VI (12 CRED.)

      First period
      Doctoral Level

      SEMINARIO DE NANOMATERIALES

      First period
      Bachelor Level

    • TOP CORE LEVEL SPECTR THEO/SIM

      First period
      Bachelor Level

      TESIS IV (8 CRED.)

      Second period
      Doctoral Level

    • TESIS V (8 CRED.)

      Second period
      Doctoral Level

      TESIS VI (12 CRED.)

      Second period
      Doctoral Level

    • TESIS VI (8 CRED.)

      Second period
      Doctoral Level

      SUSTENTACIÓN DE TESIS

      Second period
      Doctoral Level

    • SEM.1 NANOCIENCIA,FENÓM.CUÁNTI

      Second period
      Master Level

      SEM.2 NANOCIENCIA,FENÓM.CUÁNTI

      Second period
      Master Level

    • SEMINARIO AVANZADO 1

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 2

      Second period
      Doctoral Level

    • SEMINARIO AVANZADO 6

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 7

      Second period
      Doctoral Level

    • PASANTÍA III

      Second period
      Doctoral Level

      PASANTÍA VII

      Second period
      Doctoral Level

    • TESIS II (8 CRED.)

      Second period
      Doctoral Level

      TESIS I (8 CRED.)

      First period
      Doctoral Level

    • TESIS III (12 CRED.)

      First period
      Doctoral Level

      TESIS III (8 CRED.)

      First period
      Doctoral Level

    • TESIS IV (8 CRED.)

      First period
      Doctoral Level

      TESIS VII (10 CRED.)

      First period
      Doctoral Level

    • SUSTENTACIÓN DE TESIS

      First period
      Doctoral Level

      TESIS IX

      Second period
      Doctoral Level

    • PASANTIA ESTUDIANTES EXTERNOS

      Second period
      Doctoral Level
  • 2023

    • FÍSICA II

      First period
      Bachelor Level

      TRABAJO DE GRADO (1)

      First period
      Master Level

    • TRABAJO DE GRADO (2)

      First period
      Master Level

      CURSO DIRIGIDO I

      First period
      Doctoral Level

    • EXAMEN DE CONOCIMIENTOS

      First period
      Doctoral Level

      PASANTÍA II

      First period
      Doctoral Level

    • CURSO TUTORIAL I

      First period
      Master Level

      SEMINARIO AVANZADO 1

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 4

      First period
      Doctoral Level

      INVESTIGACIÓN 1

      First period
      Doctoral Level

    • INVESTIGACIÓN 2

      First period
      Doctoral Level

      CURSO DIRIGIDO II

      First period
      Doctoral Level

    • PASANTÍA III

      First period
      Doctoral Level

      TESIS I 10 CR.

      First period
      Doctoral Level

    • TESIS II 8 CR.

      First period
      Doctoral Level

      TESIS II 10 CR

      First period
      Doctoral Level

    • TESIS III 10 CR.

      First period
      Doctoral Level

      TESIS VIII

      First period
      Doctoral Level

    • SUSTENTACIÓN DE TESIS

      First period
      Doctoral Level

      TESIS IV 10 CR.

      First period
      Doctoral Level

    • FÍSICA II (REFORMA 202020)

      First period
      Bachelor Level

      SEMINARIO AVANZADO 2

      First period
      Doctoral Level

    • PASANTÍA

      First period
      Doctoral Level

      EXAMEN DE CANDIDATURA

      First period
      Doctoral Level

    • TRABAJO DE GRADO (1)

      Second period
      Master Level

      CURSO TUTORIAL I

      Second period
      Master Level

    • SEMINARIO AVANZADO 1

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 2

      Second period
      Doctoral Level

    • INVESTIGACIÓN 1

      Second period
      Doctoral Level

      INVESTIGACIÓN 2

      Second period
      Doctoral Level

    • EXAMEN DE CONOCIMIENTOS

      Interseminal period
      Doctoral Level

      EXAMEN DE CONOCIMIENTOS

      Second period
      Doctoral Level

    • TESIS VII (10 CRED.)

      Second period
      Doctoral Level

      EXAMEN DE CANDIDATURA

      Second period
      Doctoral Level

    • PASANTIA IV

      Second period
      Doctoral Level

      TESIS I (10 CRED.)

      Second period
      Doctoral Level

    • TESIS III (8 CRED.)

      Second period
      Doctoral Level

      TESIS IV (10 CRED.)

      Second period
      Doctoral Level

    • TRABAJO DE GRADO (2)

      Second period
      Master Level

      INTRO. A FÍSICA (REF. 202020)

      Second period
      Bachelor Level

    • PASANTÍA III

      Second period
      Doctoral Level

      TESIS I (8 CRED.)

      Second period
      Doctoral Level

    • TESIS II (10 CRED.)

      Second period
      Doctoral Level

      TESIS III (10 CRED.)

      Second period
      Doctoral Level

    • SUSTENTACIÓN DE TESIS

      Second period
      Doctoral Level
  • 2022

    • CURSO TUTORIAL I

      First period
      Master Level

      FISICA I (REFORMA 202020)

      Second period
      Bachelor Level

    • TRABAJO DE GRADO (1)

      Second period
      Master Level

      TRABAJO DE GRADO (2)

      Second period
      Master Level

    • SEMINARIO AVANZADO 1

      Second period
      Doctoral Level

      LABORATORIO INTERMEDIO

      Second period
      Bachelor Level

    • TESIS II 10 CR.

      First period
      Doctoral Level

      TESIS III 10 CR.

      First period
      Doctoral Level

    • TESIS IV 10 CR.

      First period
      Doctoral Level

      TESIS V 10 CR.

      First period
      Doctoral Level

    • TESIS VI 10 CR.

      First period
      Doctoral Level

      TRABAJO DE GRADO (1)

      First period
      Master Level

    • TRABAJO DE GRADO (2)

      First period
      Master Level

      SEMINARIO AVANZADO 3

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 5

      First period
      Doctoral Level

      SEMINARIO AVANZADO 6

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 7

      First period
      Doctoral Level

      LABORATORIO AVANZADO

      Second period
      Master Level

    • SEMINARIO AVANZADO 3

      Second period
      Doctoral Level

      CURSO TUTORIAL I

      Second period
      Master Level

    • INVESTIGACIÓN 1

      Second period
      Doctoral Level

      INVESTIGACIÓN 2

      Second period
      Doctoral Level

    • SUSTENTACIÓN DE TESIS

      First period
      Doctoral Level

      INVESTIGACIÓN 1

      First period
      Doctoral Level

    • INVESTIGACIÓN 2

      First period
      Doctoral Level

      CURSO DIRIGIDO II

      First period
      Doctoral Level

    • EXAMEN DE CONOCIMIENTOS

      First period
      Doctoral Level

      TESIS I 10 CR.

      Second period
      Doctoral Level

    • TESIS I 8 CR.

      Second period
      Doctoral Level

      TESIS II 10 CR

      Second period
      Doctoral Level

    • TESIS V 10 CR.

      Second period
      Doctoral Level

      SUSTENTACIÓN DE TESIS

      Second period
      Doctoral Level

    • TESIS I 6 CR.

      Second period
      Doctoral Level

      TESIS IV 10 CR.

      Second period
      Doctoral Level

    • TESIS VI 10 CR.

      Second period
      Doctoral Level

      TESIS VII 10 CR.

      Second period
      Doctoral Level

    • LAB. INTERMEDIO (REF. 202020)

      Second period
      Bachelor Level

      SEMINARIO AVANZADO 2

      Second period
      Doctoral Level

    • CURSO DIRIGIDO I

      Second period
      Doctoral Level

      EXAMEN DE CONOCIMIENTOS

      Second period
      Doctoral Level

    • PASANTÍA

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 1

      First period
      Doctoral Level

    • SEMINARIO AVANZADO 2

      First period
      Doctoral Level

      SEMINARIO AVANZADO 4

      First period
      Doctoral Level

    • CURSO DIRIGIDO I

      First period
      Doctoral Level

      EXAMEN DE CANDIDATURA

      Second period
      Doctoral Level

    • PASANTÍA II

      Second period
      Doctoral Level

      PASANTÍA

      First period
      Doctoral Level

    • EXAMEN DE CANDIDATURA

      First period
      Doctoral Level

      PASANTÍA II

      First period
      Doctoral Level

    • PASANTÍA III

      First period
      Doctoral Level

      PASANTIA IV

      First period
      Doctoral Level

    • PASANTIA V

      First period
      Doctoral Level

      TESIS I 10 CR.

      First period
      Doctoral Level

    • TESIS I 6 CR.

      First period
      Doctoral Level

      TESIS II 8 CR

      First period
      Doctoral Level

    • TESIS III 8 CR.

      First period
      Doctoral Level

      TESIS IV 8 CR.

      First period
      Doctoral Level

    • FÍSICA I

      Second period
      Bachelor Level
  • 2021

    • FÍSICA I

      First period
      Bachelor Level

      FÍSICA I

      Second period
      Bachelor Level

    • FISICA I (REFORMA 202020)

      Second period
      Bachelor Level

      INTRO. A FÍSICA (REF. 202020)

      First period
      Bachelor Level

    • TESIS V

      Second period
      Doctoral Level

      TESIS VI

      Second period
      Doctoral Level

    • SUSTENTACIÓN DE TESIS

      Second period
      Doctoral Level

      INVESTIGACIÓN 1

      Second period
      Doctoral Level

    • CURSO DIRIGIDO I

      Second period
      Doctoral Level

      EXAMEN DE CONOCIMIENTOS

      Second period
      Doctoral Level

    • PASANTÍA

      Second period
      Doctoral Level

      EXAMEN DE CANDIDATURA

      Second period
      Doctoral Level

    • PASANTÍA III

      Second period
      Doctoral Level

      TESIS I 10 CR.

      Second period
      Doctoral Level

    • TESIS I 6 CR

      Second period
      Doctoral Level

      TESIS II 10 CR.

      Second period
      Doctoral Level

    • TESIS III 8 CR

      Second period
      Doctoral Level

      TESIS III 10 CR

      Second period
      Doctoral Level

    • INVESTIGACIÓN 2

      Second period
      Doctoral Level

      CURSO TUTORIAL I

      Second period
      Master Level

    • SEMINARIO AVANZADO 1

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 2

      Second period
      Doctoral Level

    • SEMINARIO AVANZADO 3

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 4

      Second period
      Doctoral Level

    • SEMINARIO AVANZADO 7

      Second period
      Doctoral Level

      MAGNETISMO Y MATERIALES MAG.

      Second period
      Master Level

    • SEMINARIO AVANZADO 5

      Second period
      Doctoral Level

      SEMINARIO AVANZADO 6

      Second period
      Doctoral Level

    • MAGNETISMO Y MATERIALES MAG.

      Second period
      Bachelor Level

      TRABAJO DE GRADO (2)

      Second period
      Master Level

    • TESIS IV 8 CR.

      Second period
      Doctoral Level

      TESIS VII

      Second period
      Doctoral Level

    • TRABAJO DE GRADO (1)

      Second period
      Master Level

      CURSO DIRIGIDO II

      Second period
      Doctoral Level

    • PASANTÍA II

      Second period
      Doctoral Level

      PASANTIA IV

      Second period
      Doctoral Level

    • TESIS II 8 CR

      Second period
      Doctoral Level

      TESIS IV 10 CR.

      Second period
      Doctoral Level
  • 2020

    • FÍSICA I

      First period
      Bachelor Level

      ONDAS Y FLUIDOS

      First period
      Bachelor Level

    • FÍSICA I

      Second period
      Bachelor Level

      ONDAS Y FLUIDOS

      Second period
      Bachelor Level

    • ONDAS Y FLUIDOS (REF. 202020)

      Second period
      Bachelor Level
  • 2019

    • COLOQUIO 1 DE FISICA

      First period
      Bachelor Level

      FÍSICA I

      First period
      Bachelor Level

    • COLOQUIO 2 DE FISICA

      First period
      Bachelor Level

      INTRO. A DIFRACCIÓN DE RAYOS X

      First period
      Master Level

    • FÍSICA I

      Second period
      Bachelor Level

      FISICA DEL ESTADO SOLIDO

      First period
      Bachelor Level
  • 2018

    • FISICA I

      First period
      Bachelor Level

      COLOQUIO 2 DE FISICA

      First period
      Bachelor Level

    • FISICA DEL ESTADO SOLIDO

      First period
      Bachelor Level

      COLOQUIO 1 DE FISICA

      First period
      Bachelor Level

    • INTRO. A DIFRACCIÓN DE RAYOS X

      First period
      Master Level

      INTRO. A DIFRACCIÓN DE RAYOS X

      First period
      Bachelor Level

    • FISICA DEL ESTADO SOLIDO

      Second period
      Bachelor Level

      FISICA I

      Second period
      Bachelor Level

    • COLOQUIO 1 DE FISICA

      Second period
      Bachelor Level

      COLOQUIO 2 DE FISICA

      Second period
      Bachelor Level
  • 2017

    • MAGNETISMO Y MATERIALES MAG.

      First period
      Master Level

      MAGNETISMO Y MATERIALES MAG.

      First period
      Bachelor Level

    • FISICA I

      First period
      Bachelor Level

      MAGNETISMO Y MATERIALES MAG.

      Second period
      Bachelor Level

    • MAGNETISMO Y MATERIALES MAG.

      Second period
      Master Level

      FISICA I

      Second period
      Bachelor Level
  • 2016

    • FISICA I

      First period
      Bachelor Level

      LABORATORIO AVANZADO

      Second period
      Master Level

    • LABORATORIO INTERMEDIO

      Second period
      Bachelor Level

      FISICA I

      Second period
      Bachelor Level

    • LABORATORIO INTERMEDIO

      First period
      Bachelor Level

      LABORATORIO AVANZADO

      First period
      Master Level

    • INTRODUCCION A FISICA

      Second period
      Bachelor Level
  • 2015

    • FISICA I

      Second period
      Bachelor Level

Products

Medina S, Mercado L, Cardona A, Quiñonez M, Magén C, Rodríguez L, Ramirez J.G.. (2025)
Resistive switching mechanisms in BiFeO3 devices with YBCO and Ag as top electrodes
Physics Open (ISSN 2666-0326)
Article
Read more
Echeverri A, Mojica- Sanchez L. C., Amaya L, Giron L, Ramirez J.G., Juan S. Guevara-Ramirez, Cardona-rodriguez A, Tabares J, Perez G, Colorado H, Valenzuela J, Maccari F, Trujillo J. (2025)
The effect of Cu on phase stability and magnetic properties of $\tau$-MnAl: A comparative study of Mn$_55-x$Al$_45$Cu$_x$ and Mn$_55$Al$_45-x$Cu$_x$ (x = 0.0, 2.0, 2.5) alloys
Heliyon ()
Article
Carranza D, Wolowiec C, Basaran A, Salev P, Schuller I, Ramirez J.G.. (2024)
Low-temperature paramagnetic phase reentrance in praseodymium-doped manganites
Physical Review Materials (ISSN 24759953)
Article
Read more
Orozco-osorio Y, Gaita-anturi A, Ossa-orozco C, Arias-acevedo M, Uribe D, Paucar C, Vasquez A, Saldarriaga W, Ramirez J.G., Lopera A, Garc\'\ia C. (2024)
Utilization of Additive Manufacturing Techniques for the Development of a Novel Scaffolds with Magnetic Properties for Potential Application in Enhanced Bone Regeneration
Small (ISSN 1613-6810)
Article
Read more
.(2023). Fabricación y caracterización de nanodiscos y nanopelículas de FeOx depositados por e-beam para aplicaciones médicas y basadas en Exchange Bias.
Fabricación y caracterización de nanodiscos y nanopelículas de FeOx depositados por e-beam para aplicaciones médicas y basadas en Exchange Bias
Thesis
Read more
Gómez M, Marín L, Sánchez C, Ramírez J, Ramirez J.G.. (2023)
Fenómenos interfaciales en multicapas y superredes magnéticas: revisión y perspectivas
Revista de la Academia Colombiana de Ciencias Exactas, Fisicas y Naturales (ISSN 03703908)
Article
Read more
Garcia-Betancur J, Juan S. Guevara-Ramirez, Alvarez-Moreno C, Carrasco‐Garcia E, Arce-lopera C, Ramirez J.G.. (2023)
Influence of NaCl on Magnetic Properties of MgFe2O4 Nanoparticles Synthesized by Gel Combustion
International Journal of Self-Propagating High-Temperature Synthesis (ISSN 10613862)
Article
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.(2023). Simulación, experimentación y comparación de memristores como materiales inteligentes para resolver el problema de sombras en paneles solares.
Simulación, experimentación y comparación de memristores como materiales inteligentes para resolver el problema de sombras en paneles solares
Thesis
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Correal S, Hernandez D, Esquivel A, Cardona A, Reiber A, Hernandez Y, Gonzalez R, Ramirez J.G.. (2023)
Tuning electronic and magnetic properties through disorder in V2O5 nanoparticles
SCIENTIFIC REPORTS (ISSN 2045-2322)
Article
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.(2022). Detection of polarons in reduced vanadium oxide V2O(5-delta).
Detection of polarons in reduced vanadium oxide V2O(5-delta)
Thesis
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Wampler J, Kukreja R, Ramirez J.G., Basaran A, Fullerton E, Shpyrko O, Schuller I. (2022)
Electromagnetic origin of the microwave absorption response of $\mathrmFe_3\mathrmO_4$ thin films
Physical Review B (ISSN 24699950)
Article
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Cardona A, Reiber A, Schuller I, Muraca D, Ramirez J.G.. (2022)
Evidence of a glassy magnetic transition driven by structural disorder in BiFeO3 nanoparticles
Journal of Magnetism and Magnetic Materials (ISSN 03048853)
Article
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Chavarriaga E, Lopera A, Berder T, Berder T, Vinicius D. N. Bezzon, Bezzon V, Garcia C, Ramirez J.G.. (2022)
Influence of caffeine and citrulline on magnetic properties when used as new fuels in the synthesis of CoFe2O4 nanoparticles by gel combustion
Journal of Magnetism and Magnetic Materials (ISSN 03048853)
Article
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Prías-Barragán J, Gonzalez R, Hoyos-Ariza F, Ramirez J.G., Ibarra M, Prieto P. (2022)
Magnetism in graphene oxide nanoplatelets: The role of hydroxyl and epoxy bridges
Journal of Magnetism and Magnetic Materials (ISSN 03048853)
Article
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Cardona A, Ramos E, Carranza D, Vergara N, da Cruz, Moscoso-londono O, Beron F, Knobel M, Reiber A, Muraca D, Ramirez J.G.. (2022)
Resolving magnetic contributions in BiFeO3 nanoparticles using First order reversal curves
Journal of Magnetism and Magnetic Materials (ISSN 03048853)
Article
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.(2022). Simulación de la dinámica de magnetización y propiedades de transporte en la separación de fases en manganitas.
Simulación de la dinámica de magnetización y propiedades de transporte en la separación de fases en manganitas
Thesis
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Wolowiec C, Ramirez J.G., Lee M, Nareg G, Vargas N, Basaran A, Salev P, Schuller I.K.. (2022)
Stress-tailoring magnetic anisotropy of V2 O3/Ni bilayers
Physical Review Materials (ISSN 24759953)
Article
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.(2022). Tuning the magnetic properties of multiferroic BiFeO3 : From bulk to nanoscale..
Tuning the magnetic properties of multiferroic BiFeO3 : From bulk to nanoscale.
Thesis
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.(2021). Confinamiento del pentóxido de vanadio V2O5 y la influencia del tamaño en sus propiedades ópticas.
Confinamiento del pentóxido de vanadio V2O5 y la influencia del tamaño en sus propiedades ópticas
Thesis
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Valmianski I, Fraile A, J. Rodríguez-Álvarez , M. Garcia del Muro, Wolowiec C, Kronast F, Ramirez J.G., Schuller I.K., Labarta A, Batlle X. (2021)
Driving magnetic domains at the nanoscale by interfacial strain-induced proximity
Nanoscale (ISSN 2040-3372)
Article
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Carranza D, Skoropata E, Biswas A, Fitzsimmons M, Schuller I.K., Ramirez J.G..(2021).
Evidence of phase separation in a (La,Pr,Ca)MnO3 thin film by ferromagnetic resonance. APS March Meeting 2021
Event
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Monsalve J.G., Ostos C, Ramos E, Ramirez J.G., Arnache O.. (2021)
Insight into magnetic properties in zinc ferrite thin films by tuning oxygen content
Current Applied Physics (ISSN 1567-1739)
Article
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Carranza D, Skoropata E, Biswas A, Fitzsimmons M, Schuller I.K., Ramirez J.G.. (2021)
Magnetism dynamics driven by phase separation in Pr-doped manganite thin films: A ferromagnetic resonance study
Physical Review Materials (ISSN 2475-9953)
Article
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Ramirez J.G..(2021).
Seminario de Materia Condensada, Universidad de Chile: Unusual dynamical properties of oxide-magnetic heterostructures.
Event
.(2021). Simulación del VO2 como material inteligente para resolver el problema de sombras en paneles solares.
Simulación del VO2 como material inteligente para resolver el problema de sombras en paneles solares
Thesis
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Quiroz H, Galíndez E, Dussan A, Cardona A, Ramirez J.G.. (2021)
Super-exchange interaction model in DMOs: Co doped TiO2 thin films
Journal of Materials Science (ISSN 0022-2461)
Article
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Ramirez J.G..(2020).
Seminario de Materia Condensada Universidad del Norte: Confinement effects in quantum matter.
Event
Ramos E, Cardona A, Carranza D, Gonzalez R, Muraca D, Ramirez J.G.. (2020)
Strain-controlled ferromagnetism in BiFeO3 nanoparticles
Journal of Physics Condensed Matter (ISSN 0953-8984)
Article
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Calderón J, Mesa F, Dussan A, Gonzalez R, Ramirez J.G.. (2020)
The effect of Mn2Sb2 and Mn2Sb secondary phases on magnetism in (GaMn)Sb thin films
PLoS ONE (ISSN 1932-6203)
Article
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Gonzalez V .(2020). Thermal spin transport effects and long-range magnetic coupling in Co/Nb/Co trilayers.
Thermal spin transport effects and long-range magnetic coupling in Co/Nb/Co trilayers
Thesis
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Ramirez J.G..(2020).
Unusual dynamical properties of oxide-magnetic heterostructures, Annual Conference on Magnetism and Magnetic Materials 2020
Event
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.(2019). ATENUACIÓN DEL DAÑO EN EL MANGO TOMMY PRODUCIDO POR UN IMPACTO DE BAJA VELOCIDAD.
ATENUACIÓN DEL DAÑO EN EL MANGO TOMMY PRODUCIDO POR UN IMPACTO DE BAJA VELOCIDAD
Thesis
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Carranza D, Cardona A, Narvaez J, Moscoso-londono O, Muraca D, Knobel M, Ornelas N, Reiber A, Ramirez J.G.. (2019)
Control of Multiferroic properties in BiFeO 3 nanoparticles
SCIENTIFIC REPORTS (ISSN 2045-2322)
Article
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.(2019). Espectroscopia De Impedancia y Conmutación Resistiva En Capacitores Nano-Estructurados De BiFeO3 Y BaTiO3.
Espectroscopia De Impedancia y Conmutación Resistiva En Capacitores Nano-Estructurados De BiFeO3 Y BaTiO3
Thesis
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Ramirez J.G..(2019).
Mechanisms of the photo- and voltage-induced phase transition in the electron-correlated V2O3. XXVII International Materials Research Congress - IMRC 2019
Event
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.(2019). Metagenomic study reveals that Betaproteobacteria and Gammaproteobacteria are highly involved in functions associated with contamination in the Bogota river.
Metagenomic study reveals that Betaproteobacteria and Gammaproteobacteria are highly involved in functions associated with contamination in the Bogota river
Thesis
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.(2019). PROPUESTA DE METODOLOGÍA DE CARACTERIZACIÓN Y PLAN DE GESTIÓN DE RESIDUOS PARA COMUNIDAD INDÍGENA DEL CAUCA.
PROPUESTA DE METODOLOGÍA DE CARACTERIZACIÓN Y PLAN DE GESTIÓN DE RESIDUOS PARA COMUNIDAD INDÍGENA DEL CAUCA
Thesis
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Zapata O .(2019). Quantum Confinement and Magnetic Properties of RuO2 Nanoparticles and the Corresponding Perovskite SrRuO3.
Quantum Confinement and Magnetic Properties of RuO2 Nanoparticles and the Corresponding Perovskite SrRuO3
Thesis
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Giraldo J .(2019). Rare-earth Nickelates in nanoparticles: Novel synthesis methods and electrical characterization suggesting the existence of Weak Localization Effects..
Rare-earth Nickelates in nanoparticles: Novel synthesis methods and electrical characterization suggesting the existence of Weak Localization Effects.
Thesis
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Cardona A, Arango I, Maria G, Dominguez C, Trastoy J, Urban C, Sulekar S, Nino J, Schuller I.K., Gómez M, Ramirez J.G.. (2019)
Resistive switching in multiferroic BiFeO3 films: Ferroelectricity versus vacancy migration
Solid State Communications (ISSN 0038-1098)
Article
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Ramirez J.G..
Second Colombian School on Magnetism and Magnetic Materials (CS3M)
Event
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del Valle J, Salev P, Tesler F, Vargas N, Kalcheim Y, Wang P, Trastoy J, Min-han L, Kassabian G, Ramirez J.G., Rozenberg M, Schuller I.K.. (2019)
Subthreshold firing in Mott nanodevices
Nature (ISSN 0028-0836)
Article
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Orona-návar C, García-morales R, Rubio-govea R, Mahlknecht J, Hernandez-arand R, Ramirez J.G., Nigam K, Ornelas N. (2018)
Adsorptive removal of emerging pollutants from groundwater by using modified titanate nanotubes
Journal of Environmental Chemical Engineering (ISSN 2213-3347)
Article
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.(2018). Atrapamiento de nanopartículas usando dielectroforesis con perspectiva al diseño de plataformas de sensores y termoelectricidad..
Atrapamiento de nanopartículas usando dielectroforesis con perspectiva al diseño de plataformas de sensores y termoelectricidad.
Thesis
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del Valle J, Ramirez J.G., Rozenberg M, Schuller I.K.. (2018)
Challenges in materials and devices for resistive-switching-based neuromorphic computing
Journal of Applied Physics (ISSN 0021-8979)
Article
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Carranza D .(2018). Control de propiedades multiferroicas en nanopartículas de BiFeO3.
Control de propiedades multiferroicas en nanopartículas de BiFeO3
Thesis
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Garzon O .(2018). Control of magnetic anisotropy via phase transitions: Magneto resistance effect.
Control of magnetic anisotropy via phase transitions: Magneto resistance effect
Thesis
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Ramirez J.G..(2018).
Magnetism @Uniandes, 1st Cali Magnetism School
Event
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Ramirez J.G..(2018).
Materials Science & engineering seminar: Tailoring novel functionalities in quantum materials,
Event
López J .(2018). Modelamiento y Simulación del Proceso de Síntesis de Nano-Partículas BaTiO3 por el Método de Hydrothermal Synthesis.
Modelamiento y Simulación del Proceso de Síntesis de Nano-Partículas BaTiO3 por el Método de Hydrothermal Synthesis
Thesis
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Singer A, Ramirez J.G., Valmianski I, Cela D, Hua N, Kukreja R, Wingert J, Kovalchuk O, Glownia J, Sikorski M, Chollet M, Holt M, Schuller I.K., Shpyrko O. (2018)
Nonequilibrium Phase Precursors during a Photoexcited Insulator-to-Metal Transition in V2 O3
PHYSICAL REVIEW LETTERS (ISSN 1079-7114)
Article
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Valmianski I, Wang P, Siming W, Ramirez J.G., Guenón S, Schuller I.K.. (2018)
Origin of the current-driven breakdown in vanadium oxides: Thermal versus electronic
Physical Review B - Condensed Matter and Materials Physics (ISSN 0163-1829)
Article
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Ramirez J.G..(2018).
Size-induced multiferroicity in oxide nanoparticles, XXVII International Materials Research Congress - IMRC 2018
Event
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Hernandez C .(2017). Control Magnético Mediante Transiciones de Fase en Bicapas de V2O3/CoFeB.
Control Magnético Mediante Transiciones de Fase en Bicapas de V2O3/CoFeB
Thesis
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Herran M .(2017). Desarrollo de un prototipo de dielectrofóresis para la separación de nanopartículas.
Desarrollo de un prototipo de dielectrofóresis para la separación de nanopartículas
Thesis
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Valmianski I, Ramirez J.G., Urban C, Battle X, Schuller I.K.. (2017)
Deviation from bulk in the pressure-temperature phase diagram of V2O3 thin films
Physical Review B - Condensed Matter and Materials Physics (ISSN 1098-0121)
Article
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.(2017). EVALUACIÓN PROSPECTIVA DEL PROYECTO NUEVO PUENTE PUMAREJO: UNA MIRADA ECONÓMICA Y SOCIAL.
EVALUACIÓN PROSPECTIVA DEL PROYECTO NUEVO PUENTE PUMAREJO: UNA MIRADA ECONÓMICA Y SOCIAL
Thesis
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Gonzalez V .(2017). Estudio del acoplamiento RKKY entricapas de Co/Nb/Co utilizando magnetorresistencia.
Estudio del acoplamiento RKKY entricapas de Co/Nb/Co utilizando magnetorresistencia
Thesis
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Gilbert D, Ramirez J.G., Saerbeck T, Trastoy J, Schuller I.K., Liu K, J. de la Venta. (2017)
Growth-Induced In-Plane Uniaxial Anisotropy in V2O3/Ni Films
SCIENTIFIC REPORTS (ISSN 2045-2322)
Article
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Singh V, Jovic V, Valmianski I, Ramirez J.G., Lamoureux B, Schuller I.K., Smith K. (2017)
Irreversible metal-insulator transition in thin film VO2 induced by soft X-ray irradiation
Applied Physics Letters (ISSN 0003-6951)
Article
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Abreu Elsa, Gilbert Stephanie, Jin S, Siming W, Ramirez J.G., West K, Zhang J, Kittiwatanakul S, Schuller I.K., Lu J, Wolf Stuart A., Kim H, Liu Mengkun, Averitt R. (2017)
Ultrafast Electron-Lattice Coupling Dynamics in VO2 and V2O3 Thin Films
Physical Review B - Condensed Matter and Materials Physics (ISSN 0163-1829)
Article
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Siming W, Ramirez J.G., Jeffet J, Shimshon B, Huppert D, Schuller I.K.. (2017)
Ultrafast photo-induced dynamics across the Metal-Insulator Transition of VO2
Europhysics Letters (ISSN 0295-5075)
Article
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Ramirez D .(2017). {Medición de propiedades conductoras del BFO utilizando efecto Hall.
{Medición de propiedades conductoras del BFO utilizando efecto Hall
Thesis
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Ramirez J.G., Patiño E. J. .(2016).
1st International Workshop on Superconductivity and Magnetism at Low Dimensionality
Event
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Ramirez J.G..
Caracterización de materiales multifuncionales a campos magnéticos altos y temperaturas criogénicas
Colciencias.
Proposal
Ramirez J.G., J. de la Venta, Siming W, Saerbeck T, Basaran A, Batlle X, Schuller I.K.. (2016)
Collective mode splitting in hybrid heterostructures
Physical Review B - Condensed Matter and Materials Physics (ISSN 1098-0121)
Article
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Yao Tiian, Gavin B. Osterhoudt, Valmianski I, Ramirez J.G., Urban C, Zhong R, Schneeloch J, Gu G, Henslee I, Burch K. (2016)
Low vibration high numerical aperture automated variable temperature Raman microscope
Review of Scientific Instruments (ISSN 0034-6748)
Article
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McLeod A. S., Heumen E, Ramirez J.G., Siming W, Saerbeck T, Guenón S, Goldflam M, Anderegg L, P. P, A. A, Liu M. K., Schuller I.K., Basov D. (2016)
Nanotextured phase coexistence in the correlated insulator V2O3
Nature Physics (ISSN 1745-2473)
Article
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Guenón S, Ramirez J.G., Basaran A, Wampler J, Thiemens M, Schuller I.K.. (2016)
Search for New Superconductors: an Electro-Magnetic Phase Transition in an Iron Meteorite Inclusion at 117 K
Journal of Superconductivity and Novel Magnetism (ISSN 1557-1939)
Article
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Yazici D, Basaran A, Ramirez J.G., Schuller I.K., Maple M. (2016)
Structure, magnetization, specific heat, and microwave properties of K x Fe2-ySe2
Superconductor Science and Technology (ISSN 0953-2048)
Article
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Siming W, Ramirez J.G., Schuller I.K.. (2015)
Avalanches in vanadium sesquioxide nanodevices
Physical Review B - Condensed Matter and Materials Physics (ISSN 1098-0121)
Article
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Ramirez J.G., Patiño E. J. .
Control de magnetismo con interfaces de materiales multifuncionales
Colciencias.
Proposal
Ramirez J.G., Schmidt R, Sharoni A, Gómez M E, Schuller I.K., Patiño E. J. . (2013)
Ultra-thin filaments revealed by the dielectric response across the metal-insulator transition in VO2
Applied Physics Letters (ISSN 0003-6951)
Article
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.(2011). Efecto del dopaje con Nb en las propiedades del material superconductor BSCCO.
Efecto del dopaje con Nb en las propiedades del material superconductor BSCCO
Thesis
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.(2011). Resonancia estocástica en red neuronal artificial - efectos de ruido pink.
Resonancia estocástica en red neuronal artificial - efectos de ruido pink
Thesis
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Degrees

  • Doctor En Ciencias - Física

    Doctoral degree

    Universidad Del Valle

    2009

    Colombia

    Físico

    Bachelor degree

    Universidad Del Valle

    2004

    Colombia

Projects

  • 2016
    • Control of functionalities in hybrid materials with complex oxides

      Duration: 36 months

      PR.3.2015.2642