Zobrazeno 1 - 10
of 153
pro vyhledávání: '"G. A. Pérez Alcázar"'
Effect of Nitrogenation on the Intrinsic Magnetic Properties of the Compounds (Nd1-x Ceₓ)1.1Fe₁₀CoTi
Autor:
J. S. Trujillo Hernandez, D. Salazar Jaramillo, H. Martínez Sánchez, L. E. Zamora Alfonso, G. A. Pérez Alcázar
Publikováno v:
IEEE Transactions on Magnetics. 56:1-5
The effect of the nitrogenation process on intrinsic magnetic properties such as saturation magnetization, anisotropy field, magnetocrystalline anisotropy constant, and Curie temperature of the (Nd1− x Ce x )1.1Fe10CoTi ( $x = 0.0$ , 0.5 and 1) all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c956d8319783dd321b44c69c733b0f90
https://doi.org/10.1109/tmag.2020.3020094
https://doi.org/10.1109/tmag.2020.3020094
Autor:
J.F. Durán Perdomo, Jesús A. Tabares, G. A. Pérez Alcázar, Ligia E. Zamora, H.D. Colorado, J.J.S. Garitaonandia
Publikováno v:
Journal of Rare Earths. 38:961-968
A systematic study of the magnetic and structural properties dependence on the particle size was realized. For this, commercial NdFeB powder was separated into five different mean particle sizes using sieves. Besides, from the original powder, eleven
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fbe82329538ce46e10ded96fb6afa0e
https://doi.org/10.1016/j.jre.2019.09.012
https://doi.org/10.1016/j.jre.2019.09.012
Autor:
George C. Hadjipanayis, M. Gjoka, C. Sarafidis, G. Giannopoulos, Ligia E. Zamora, D. Niarchos, Jesús A. Tabares, G. A. Pérez Alcázar
Publikováno v:
Journal of Rare Earths. 37:1096-1101
This study reports the stabilization of the RFe12-type based compounds where part of R and Fe are substituted with Zr and Co and Si, respectively, in order to examine whether these rare-earth-lean materials are suitable for applications as permanent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e7aa41258186460921a0c3821e48e78
https://doi.org/10.1016/j.jre.2019.03.013
https://doi.org/10.1016/j.jre.2019.03.013
Autor:
G. A. Pérez Alcázar, M. Salazar
Publikováno v:
Physica A: Statistical Mechanics and its Applications. 517:337-340
This study presents a calculation that relates the temporal change in the total energy of a magnetic system (as permalloy thin sheets that have a considerable damping in the change of the magnetization described in Salazar & Perez Alcazar, 2015) with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::523807913f64500579b8229d40c3d0b0
https://doi.org/10.1016/j.physa.2018.11.005
https://doi.org/10.1016/j.physa.2018.11.005
Publikováno v:
Journal of Magnetism and Magnetic Materials. 473:221-227
The τ -MnAlC/FeCo system has potential to be applied as rare earth-free permanent magnet, due to exchange coupled between hard and soft magnetic phases as alternative for the development of high energy product permanent magnets. In this work the har
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15f567aa743b3d1b1d65000cf58471a1
https://doi.org/10.1016/j.jmmm.2018.10.069
https://doi.org/10.1016/j.jmmm.2018.10.069
Autor:
J. F. Piamba, J. M. González Carmona, G. A. Pérez Alcázar, Juan Manuel Alvarado-Orozco, R. Hernández-Bravo, Jesús A. Tabares, C. Ortega
Publikováno v:
Applied Physics A. 126
In the present work, the structural, magnetic, and theoretical analysis of the Fe–Si alloy prepared by melting and heat-treated was performed. The ordered FeSi simple cubic (sc) phase was obtained by melting and heat treatment processes as determin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b786f5e08d612cb51d3db3756429abd3
https://doi.org/10.1007/s00339-020-04038-8
https://doi.org/10.1007/s00339-020-04038-8
Autor:
G. A. Pérez Alcázar, H. Martínez Sánchez, L. E. Zamora Alfonso, J. S. Trujillo Hernandez, D. Salazar
Publikováno v:
Applied Physics A. 126
To improve the magnetic properties of the hard-magnetic phase $$\tau $$ -Mn53.3Al45.0C1.7, it was mixed with different quantities of the soft magnetic phase Mn50B50 and annealed at different temperatures. Micrometric powders of the τ phase and the s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d51400f2259393176e10fe565033b16e
https://doi.org/10.1007/s00339-020-04025-z
https://doi.org/10.1007/s00339-020-04025-z
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 31:4021-4028
(Zn0.9Fe0.1)O powders were produced with different ball to powder weight ratios (BPR) by ball milling of ZnO and Fe elemental powders. The BPR used were 15:1, 20:1, 25:1, and 30:1. The prepared samples were studied by x-ray diffraction (XRD), vibrati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4d00e437ac8fd1adafd74f9ac7bb24f
https://doi.org/10.1007/s10948-018-4657-0
https://doi.org/10.1007/s10948-018-4657-0
Autor:
Luke G. Marshall, G. A. Pérez Alcázar, Jesús A. Tabares, Fernando Maccari, J. S. Trujillo Hernandez
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 31:3941-3947
Nanostructured composite materials consisting of exchange-coupled hard and soft magnetic phases are proposed as alternative for the development of high-energy product permanent magnets. In this work, we have examined the effects of soft magnetic α-F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04bdf657c60d0fe893b948bc95011e41
https://doi.org/10.1007/s10948-018-4661-4
https://doi.org/10.1007/s10948-018-4661-4
Autor:
M. Salazar, G. A. Pérez Alcázar
Publikováno v:
Physica B: Condensed Matter. 559:29-31
The general expression of the blocking temperature for a superparamagnetic system depends on the volume of the particle, but in this expression the volume is independent of temperature. Some experimental curves of the coercive field as a function of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef2987b904c2e1ea9da84f6fb77265c6
https://doi.org/10.1016/j.physb.2019.01.048
https://doi.org/10.1016/j.physb.2019.01.048