Modeling of magnetic properties of FeCox alloys in thin films


Authors

  • Elisabeth Restrepo Parra Univesidad Nacional de Colombia - Manizales http://orcid.org/0000-0002-1734-1173
  • José Antonio Valencia Aricapa Universidad Nacional de Colombia - Manizales
  • Diana Marcela Devia Narvaez UNIVERSIDAD TECNOLOGICA DE PEREIRA http://orcid.org/0000-0002-0447-4663
  • Sebastian Camilo Mendoza Rincon Universidad Nacional de Colombia - Manizales
  • Víctor Dahián Saldarriaga Montoya Univesidad Nacional de Colombia - Manizales
  • Miguel Santiago Ospina Arroyave Univesidad Nacional de Colombia - Manizales
  • Steven Vargas Villanueva Universidad Nacional de Colombia - Manizales

DOI:

https://doi.org/10.22517/23447214.15961

Keywords:

Coercive field, critical temperature, Magnetic properties, Monte Carlo

Abstract

Simulations of Fe1-xCox alloys as thin films using Monte Carlo Method and Heisenberg model have been carried out. Changes in magnetic properties, transition temperature, and coercive field as a function of the cobalt concentration (x) were observed. Semi-periodic conditions were used for the samples construction. A Hamiltonian expression which contains terms corresponding to the nearest neighbors interaction and the Zeeman effect was used. Three types of exchange parameters were considered: Fe-Fe, Fe-Co y Co-Co. Furthermore, cobalt atoms were randomly placed inside the BCC crystal lattice of Fe. Decrease not only in the critical temperature but also in the coercive field was observes as the concentration x was increased.

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Published

2017-06-30

How to Cite

Restrepo Parra, E., Valencia Aricapa, J. A., Devia Narvaez, D. M., Mendoza Rincon, S. C., Saldarriaga Montoya, V. D., Ospina Arroyave, M. S., & Vargas Villanueva, S. (2017). Modeling of magnetic properties of FeCox alloys in thin films. Scientia Et Technica, 22(2), 218–221. https://doi.org/10.22517/23447214.15961

Issue

Vol. 22 No. 2 (2017)

Section

Ciencias Básicas

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