Topological defects in weak perpendicular magnetic anisotropy NdCo honeycomb lattices

Autor: F Valdés-Bango, M Vélez, L M Alvarez-Prado, J I Martín

Publikováno v: New Journal of Physics, Vol 20, Iss 11, p 113007 (2018)

Domain configuration has been studied by magnetic force microscopy and micromagnetic simulations in NdCo honeycomb lattices in comparison with similar patterned structures made of polycrystalline Co. The change in material anisotropy from in-plane to

Externí odkaz: https://doaj.org/article/f164a650375c412b932eb4955a9fe727

Magnetic stripes and holes: Complex domain patterns in perforated films with weak perpendicular anisotropy

Autor: F. Valdés-Bango, M. Vélez, L. M. Alvarez-Prado, J. M. Alameda, J. I. Martín

Publikováno v: AIP Advances, Vol 7, Iss 5, Pp 056303-056303-4 (2017)

Hexagonal antidot arrays have been patterned on weak perpendicular magnetic anisotropy NdCo films by e-beam lithography and lift off. Domain structure has been characterized by Magnetic Force Microscopy at remanence. On a local length scale, of the o

Externí odkaz: https://doaj.org/article/413108b635d242e796a9ecdb57f11b79

Magnetic order and disorder in nanomagnets probed by superconducting vortices

Autor: V. Rollano, L. M. Alvarez-Prado, Elvira M. Gonzalez, M. R. Osorio, José Ignacio Martín, María Vélez, Alicia Gomez, J. del Valle, J. L. Vicent, Carlos Quirós, Daniel Granados

Publikováno v: E-Prints Complutense. Archivo Institucional de la UCM
instname
Repositorio Institucional del Instituto Madrileño de Estudios Avanzados en Nanociencia
Scopus
RUO. Repositorio Institucional de la Universidad de Oviedo
Scientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid
Scientific Reports

We have studied two nanomagnet systems with strong (Co/Pd multilayers) and weak (NdCo alloy films) stray magnetic fields by probing the out-of-plane magnetic states with superconducting vortices. The hybrid samples are made of array of nanomagnets em

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e8b9cfeb18aa97cce1b6897b8f05038

Determination of the magnetostrictive atomic environments in FeCoB alloys

Autor: L. M. Alvarez-Prado, Sakura Pascarelli, J. Díaz, C. Quirós, Rocío Ranchal, C. Aroca, M. P. Ruffoni

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Physical Review B, ISSN 1098-0121, 2012-04, Vol. 85, No. 13
Archivo Digital UPM

PACS number(s): 61.05.cj, 61.43.Dq, 75.80.+q, 75.50.Kj.-- et al.
The atomic environments of Fe and Co involved in the magnetostriction effect in FeCoB alloys have been identified by differential extended x-ray fine structure (DiffEXAFS) spectros

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e9c7c0712f4c757f6189c30f379c23a
https://doi.org/10.1103/physrevb.85.134437

Magnetization reversal processes and interlayer exchange coupling in Gd/sub x/Co/sub 1-x/ bilayers

Autor: Rafael Morales, J. M. Alameda, L. M. Alvarez-Prado, José Ignacio Martín

Publikováno v: IEEE International Digest of Technical Papers on Magnetics Conference.

Summary form only given. Interesting properties and new phenomena are usually found in magnetically heterogeneous systems where different magnetic regions coexist and are magnetically coupled. For example, multilayered structures of some magnetic mat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::269b6f5d6eccc0720bc230d466a4b961
https://doi.org/10.1109/intmag.2002.1001478