Search Results - "Roa-Rojas, J."

Crystalline, Magnetic and Optical Properties of the CaLaSnFeO6 Perovskite.

Authors: Moya, X. A. Velásquez Fajardo, J. C. Rincón Barragán, S. G. Posada et al.

Source: Journal of Superconductivity & Novel Magnetism; Apr2025, Vol. 38 Issue 2, p1-10, 10p

Observation of the Granular Josephson Mechanism and the Vortex-Glass Transition in the Polycrystalline GdBa2Cu3O7- δ Superconductor.

Authors: Vargas-Pineda, E. M. Rivera-Contreras, L. J. Pineda-Peña, G. et al.

Source: Journal of Superconductivity & Novel Magnetism; Dec2024, Vol. 37 Issue 11/12, p1957-1963, 7p

Tuning Magnetic and Semiconducting Properties of Cr-Doped CaTiO 3 Perovskites for Advanced Spintronic Applications.

Authors: Deluque-Toro, C. E. Ariza-Echeverri, E. A. Landínez-Téllez, D. A. et al.

Source: Applied Sciences (2076-3417); Aug2024, Vol. 14 Issue 16, p7326, 13p

Weak Ferromagnetism in the FeCr2O4 Semiconductor Spinel with Half-Metallic Feature in the Ground State.

Authors: Cerón, J. A. Grisales Téllez, D. A. Landínez Roa-Rojas, J.

Source: Journal of Electronic Materials; Feb2022, Vol. 51 Issue 2, p822-830, 9p

Superconducting Critical Parameter Calculation from the Analysis of the Paraconductivity in SmBa2Cu3O7–δ.

Authors: Pineda-Peña, G. Vargas-Pineda, E. M. Rivera-Contreras, L. J. et al.

Source: Journal of Superconductivity & Novel Magnetism; Jan2022, Vol. 35 Issue 1, p41-48, 8p

Optical features of PbBr2 semiconductor thin films for radiation attenuation application.

Authors: Torres, O. G. Gordillo, G. Plazas, M. C. et al.

Source: Journal of Materials Science: Materials in Electronics; Jun2021, Vol. 32 Issue 12, p16937-16944, 8p

Alternative Method for Production of Pb Halide Perovskite with High Current Response for Photodetection Devices.

Authors: Torres, O. G. Gordillo, G. Abella, M. C. et al.

Source: Journal of Electronic Materials; Mar2021, Vol. 50 Issue 3, p1153-1161, 9p

Ferromagnetic spin-orbit coupling in the Ba2SbSmO6 perovskite-like insulator.

Authors: Grisales Cerón, J. A. Landínez Téllez, D. A. Arbey Rodríguez Martínez, J. et al.

Source: Journal of Materials Science: Materials in Electronics; 2020, Vol. 31 Issue 21, p18389-18399, 11p

Structural, magnetic, dielectric and optical properties of the Eu2Bi2Fe4O12 bismuth-based low-temperature biferroic.

Authors: Cuervo-Farfán, J. A. Vargas, C. A. Parra Viana, D. S. F. et al.

Source: Journal of Materials Science: Materials in Electronics; Dec2018, Vol. 29 Issue 24, p20942-20951, 10p

Hall effect and longitudinal conductivity in a Hg0.82Re0.18Ba2Ca2Cu3O8+δ superconductor.

Authors: Roa-Rojas, J. Pureur, P. Mendonça-Ferreira, L.

Source: Superconductor Science & Technology; November 2001, Vol. 14 Issue 11, p898-903, 6p

Electronic and Crystalline Structure, Magnetic Response, and Optical Characterization of Rare-Earth Ruthenate Sr2HoRuO6.

Authors: Velásquez Moya, X. A. Cardona, R. Villa Hernández, J. I. et al.

Source: Journal of Electronic Materials; Jul2018, Vol. 47 Issue 7, p3421-3429, 9p

Light-induced modulation of EPR signals in Bi25FeO40 sillenite.

Authors: Páez-Reyes, F.A. Zipa-Romero, L. Almanza, O. et al.

Source: Optical Materials; Jan2026, Vol. 169, pN.PAG-N.PAG, 1p

First-principles calculations to investigate elastic, electronic and thermophysical properties of the Dy2Bi2Fe4O12 ferromagnetic semiconductor.

Authors: Garrido, L C Toro, C E Deluque Díaz, I et al.

Source: Semiconductor Science & Technology; Sep2021, Vol. 36 Issue 9, p1-9, 9p

Magnetization Fluctuation Analysis and Superconducting Parameters of LaBaCaCuO Superconductor.

Authors: Parra Vargas, C. Pimentel, J. Pureur, P. et al.

Source: Journal of Superconductivity & Novel Magnetism; Jun2013, Vol. 26 Issue 6, p2257-2260, 4p, 1 Chart, 3 Graphs

Fluctuation Conductivity of LaREBaCaCuO (RE=Y, Sm, Dy) Superconductor.

Authors: Parra Vargas, C. Pimentel, J. Pureur, P. et al.

Source: Journal of Superconductivity & Novel Magnetism; Jun2013, Vol. 26 Issue 6, p2261-2264, 4p, 2 Charts, 5 Graphs

An Approach of the Sintering YBaCuO System.

Authors: Sarmiento Santos, A. Roa Rojas, J. Martínez, D. et al.

Source: Journal of Superconductivity & Novel Magnetism; Jun2013, Vol. 26 Issue 6, p2247-2251, 5p, 2 Black and White Photographs, 5 Graphs

SrYSbO as a buffer layer for YBaCuO superconducting films.

Authors: Ortiz-Diaz, O. Saldarriaga, W. Lopera, W. et al.

Source: Journal of Materials Science; Feb2011, Vol. 46 Issue 3, p688-692, 5p, 1 Diagram, 8 Graphs

Superstructural arrangement and half-metallic semiconductor nature of the ferromagnetic material Ca2TiFeO6.

Authors: Deluque-Toro, C.E. Parra-Mesa, L.V. Ariza-Echeverri, E.A. et al.

Source: Materials Science in Semiconductor Processing; Aug2025, Vol. 194, pN.PAG-N.PAG, 1p

CÁLCULO DE LA ESTRUCTURA DE BANDAS Y PROPIEDADES ESTRUCTURALES DE LA PEROVSKITA CÚBICA SrZrO3.

Authors: Restrepo, J. M. Roa-Rojas, J. Landínez, D. A. et al.

Source: Revista Colombiana de Física. 2007, Vol. 39 Issue 2, p351-354. 4p. 3 Graphs.

DETERMINACIÓN ESTRUCTURAL DEL GRAFITO MEDIANTE EL MÉTODO RIETVELD Y LA TEORÍA DEL FUNCIONAL DENSIDAD.

Authors: Suárez, M. Y. Roa-Rojas, J. Rodríguez M., J. Arbey et al.

Source: Revista Colombiana de Física. 2007, Vol. 39 Issue 1, p155-158. 4p.