Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Juan Sebastián Trujillo Hernández"'
Autor:
Hugo Martínez Sánchez, George Hadjipanayis, Germán Antonio Pérez Alcázar, Ligia Edith Zamora Alfonso, Juan Sebastián Trujillo Hernández
Publikováno v:
Molecules, Vol 26, Iss 13, p 3854 (2021)
In this work, the mechanochemical synthesis method was used for the first time to produce powders of the nanocrystalline Nd1.1Fe10CoTi compound from Nd2O3, Fe2O3, Co and TiO2. High-energy-milled powders were heat treated at 1000 °C for 10 min to obt
Externí odkaz:
https://doaj.org/article/b9370682f41d4eb9a443038a95fecb40
Autor:
Juan Sebastián Trujillo Hernández, Ahmed Talaat, Jesús Tabares, Dagoberto Oyola Lozano, Humberto Bustos Rodríguez, Hugo Martínez Sánchez, German Antonio Pérez Alcázar
Publikováno v:
Applied Sciences, Vol 10, Iss 16, p 5656 (2020)
In this work, the structural, magnetic and mechanical properties of Nd16Fe76−xCoxB8 alloys with a varying Co content of x = 0, 10, 20 and 25 were experimentally investigated by X-ray diffraction (XRD), Mössbauer spectrometry (MS) and vibrating sam
Externí odkaz:
https://doaj.org/article/915d1b9930a6411b9226ac4773989450
Autor:
Brahiam Hincapié, Juan Sebastián Trujillo-Hernández, Alexander Cortés-Soto, Mauricio A. Bermúdez, Blanca Myriam Salguero-Londoño, Sebastián Grande, Santiago Yepez
Publikováno v:
Earth Sciences Research Journal. 25:263-273
The presence of iron oxides may provide a sensitive indicator of the effects of cropping practices on coffee plantations. Authors characterized the mineral phases present in soil A horizons at three different farms located in the Department of Tolima
Autor:
Humberto Bustos Rodríguez, Ahmed Talaat, Germán Antonio Pérez Alcázar, Jesús A. Tabares, Dagoberto Oyola Lozano, Juan Sebastián Trujillo Hernández, H. Sánchez
In this work, the structural, magnetic, and mechanical properties of Nd16Fe76-xCoxB8 alloys varying the Co content at x = 0, 10, 20 and 25, were experimentally investigated by X-Ray Diffraction (XRD), Mössbauer Spectrometry (MS), Vibrating Sample Ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf5ef0a23c070178978161b299f662c3
https://doi.org/10.20944/preprints202007.0612.v1
https://doi.org/10.20944/preprints202007.0612.v1
Autor:
H. Sánchez, Ligia E. Zamora, D. Salazar, Juan Sebastián Trujillo Hernández, Jesús A. Tabares, Germán Antonio Pérez Alcázar
Publikováno v:
Hyperfine Interactions. 241
In this work, we examined the effects of the of Nd by Ce substitution and of the nitrogenation in the structural and hyperfine magnetic properties of (Nd1-xCex)1.1Fe10CoTi with x = 0, 0.5 and 1 systems. The alloys were prepared, with high pure elemen
Autor:
George C. Hadjipanayis, Juan Sebastián Trujillo Hernández, H. Sánchez, Ligia Edith Zamora Alfonso, Germán Antonio Pérez Alcázar
Publikováno v:
Molecules
Volume 26
Issue 13
Molecules, Vol 26, Iss 3854, p 3854 (2021)
Volume 26
Issue 13
Molecules, Vol 26, Iss 3854, p 3854 (2021)
In this work, the mechanochemical synthesis method was used for the first time to produce powders of the nanocrystalline Nd1.1Fe10CoTi compound from Nd2O3, Fe2O3, Co and TiO2. High-energy-milled powders were heat treated at 1000 °C for 10 min to obt
Autor:
Dagoberto Oyola Lozano, Juan Sebastián Trujillo Hernández, Yebrayl Antonio Rojas Martínez, G. A. Pérez Alcázar, H. Bustos Rodríguez
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 29:1357-1362
Powders of the Fe50Al50 melted and heat treated samples were separated at different mean particle sizes as well as characterized based on their structural and magnetic properties. All the samples, except that with biggest particle size, showed Fe-Al
Autor:
Dagoberto Oyola Lozano, Jesús A. Tabares, Humberto Bustos Rodríguez, Germán Antonio Pérez Alcázar, Ahmed Talaat, Juan Sebastián Trujillo Hernández, H. Sánchez
Publikováno v:
Applied Sciences
Volume 10
Issue 16
Applied Sciences, Vol 10, Iss 5656, p 5656 (2020)
Volume 10
Issue 16
Applied Sciences, Vol 10, Iss 5656, p 5656 (2020)
In this work, the structural, magnetic and mechanical properties of Nd16Fe76&minus
xCoxB8 alloys with a varying Co content of x = 0, 10, 20 and 25 were experimentally investigated by X-ray diffraction (XRD), Mö
ssbauer spectrometry (MS)
xCoxB8 alloys with a varying Co content of x = 0, 10, 20 and 25 were experimentally investigated by X-ray diffraction (XRD), Mö
ssbauer spectrometry (MS)
Publikováno v:
Physicae Proceedings. 1
The study of the Fe56.25 Al43.75 system prepared by Mechanical Alloying (MA), using elementary powders, at different times (12, 24, 48, 72 and 96 hours), named MA0 samples, showed that the alloy is consolidated at 48 hours. Taking the sample for this
Autor:
Juan Sebastian Trujillo Hernandez, Alberto Aragón-Muriel, Willinton Corrales Quintero, Juan Camilo Castro Velásquez, Natalia Andrea Salazar-Camacho, German Antonio Pérez Alcázar, Jesús Anselmo Tabares
Publikováno v:
Molecules, Vol 27, Iss 24, p 8976 (2022)
The aim of this study is to evaluate the applicability of the catalytic activity (CA) of the Fe3O4 magnetic system in the adsorption/degradation of methylene blue and esterification. The thermal decomposition method allowed the preparation of Fe3O4 n
Externí odkaz:
https://doaj.org/article/1f4afe6e20724f7dba157807202f41da