dor_id: 4107828

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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

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336.#.#.a: Artículo

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351.#.#.a: Artículos

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270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: https://rmf.smf.mx/ojs/rmf/article/view/Vol.%2066%2C%20issue%201%2C%20pp.%2023-29/4738; https://rmf.smf.mx/ojs/rmf/article/downloadSuppFile/Vol.%2066%2C%20issue%201%2C%20pp.%2023-29/661

100.1.#.a: Rivera, M.; Martinez Vado, F. I.; Mendoza Huizar, L. H.; Betancourt, I.

100.1.#.u: Conacyt México

524.#.#.a: Rivera, M., et al. (2020). Complementary atomic force microscopy and magnetic force microscopy study for the magnetic transition of cobalt clusters onto gold substrates. Revista Mexicana de Física; Vol 66, No 1 Jan-Feb: 23-29. Recuperado de https://repositorio.unam.mx/contenidos/4107828

245.1.0.a: Complementary atomic force microscopy and magnetic force microscopy study for the magnetic transition of cobalt clusters onto gold substrates

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Facultad de Ciencias, UNAM

264.#.0.c: 2020

264.#.1.c: 2020-01-01

653.#.#.a: Cobalt; Electrodeposition; MFM; Magnetic domains; Micromagnetic modelling

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2020-01-01, para un uso diferente consultar al responsable jurídico del repositorio por medio de rmf@ciencias.unam.mx

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001.#.#.#: oai:ojs.rmf.smf.mx:article/4412

041.#.7.h: eng

520.3.#.a: Atomic and magnetic force microscopy were employed in order to investigate the local magnetic state of individual cobalt clusters electrodeposited onto gold electrodes. The analysis indicated that the diameter of the clusters was similar regardless of the potential formation, or growth stage, but the height and surface coverage changed as the potential augmented. Individual examination of the clusters showed that the height determined the magnetic transition from the single to the multi domain state. By using a theoretical single-domain ferromagnetic model in terms of the clusters dimensions, the magnetic exchange constant at different potential voltages was obtained, which was higher than the cobalt bulk value. In addition, a micromagnetic simulation study was employed to validate the experimental results, and it correctly confirmed the experimental magnetic transition. In addition, a fcc crystalline structure and some insights of the clusters growth mechanism on the gold surface were inferred from the results.

773.1.#.t: Revista Mexicana de Física; Vol 66, No 1 Jan-Feb (2020): 23-29

773.1.#.o: https://rmf.smf.mx/ojs/rmf/index

046.#.#.j: 2020-11-25 00:00:00.000000

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310.#.#.a: Bimestral

264.#.1.b: Sociedad Mexicana de Física, A.C.

758.#.#.1: https://rmf.smf.mx/ojs/rmf/index

doi: https://doi.org/10.31349/RevMexFis.66.23

handle: 350a720ee5338757

harvesting_date: 2020-09-23 00:00:00.0

856.#.0.q: application/pdf

last_modified: 2020-11-27 00:00:00

license_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es

license_type: by-nc-nd

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Artículo

Complementary atomic force microscopy and magnetic force microscopy study for the magnetic transition of cobalt clusters onto gold substrates

Rivera, M.; Martinez Vado, F. I.; Mendoza Huizar, L. H.; Betancourt, I.

Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Facultad de Ciencias, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Rivera, M., et al. (2020). Complementary atomic force microscopy and magnetic force microscopy study for the magnetic transition of cobalt clusters onto gold substrates. Revista Mexicana de Física; Vol 66, No 1 Jan-Feb: 23-29. Recuperado de https://repositorio.unam.mx/contenidos/4107828

Descripción del recurso

Autor(es)
Rivera, M.; Martinez Vado, F. I.; Mendoza Huizar, L. H.; Betancourt, I.
Adscripción del autor
Conacyt México
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Complementary atomic force microscopy and magnetic force microscopy study for the magnetic transition of cobalt clusters onto gold substrates
Fecha
2020-01-01
Resumen
Atomic and magnetic force microscopy were employed in order to investigate the local magnetic state of individual cobalt clusters electrodeposited onto gold electrodes. The analysis indicated that the diameter of the clusters was similar regardless of the potential formation, or growth stage, but the height and surface coverage changed as the potential augmented. Individual examination of the clusters showed that the height determined the magnetic transition from the single to the multi domain state. By using a theoretical single-domain ferromagnetic model in terms of the clusters dimensions, the magnetic exchange constant at different potential voltages was obtained, which was higher than the cobalt bulk value. In addition, a micromagnetic simulation study was employed to validate the experimental results, and it correctly confirmed the experimental magnetic transition. In addition, a fcc crystalline structure and some insights of the clusters growth mechanism on the gold surface were inferred from the results.
Tema
Cobalt; Electrodeposition; MFM; Magnetic domains; Micromagnetic modelling
Idioma
eng
ISSN
2683-2224 (digital); 0035-001X (impresa)

Enlaces