Graphic Interface Implementation for Studying Magnetotransport Properties in Bilayers of Manganites Type Perovskite

Authors

DOI:

https://doi.org/10.17230/ingciencia.10.20.6

Keywords:

resistivity, magnetoresistance, monte carlo, manganites, critical points.

Abstract

In this work, a study of some magnetotransport properties of manganite bilayers of ferromagnetic/Antiferromagnetic (FM/AF) La2=3Ca1=3MnO3/ La1=3Ca2=3MnO3 is presented. This study was carries out using the Monte Carlo method combined with Drude and Kronig-Penney models. For doing the simulations, graphic interfaces for allowing a suitable user interaction were developed. These interfaces also allow observing the simulation processes in real time. Results of resistivity and magnetoresistance as a function on the temperature and the external magnetic field were obtained. The resistivity depending on the temperature presented a minimum around the canted temperature and a maximum around the Curie temperature, TC. A decrease in the resistivity and an increase in the magnetoresistance as the external magnetic field increases were observed. On the other hand, resistivity as a function on the temperature showed symmetry for positive and negative values of the external magnetic field. Moreover, at low temperatures, below TC, the resistivity presented a splitting, producing two maxima and forming hysteresis loops.

PACS:02.70.Uu,75.70.Cn, 28.41.Ak, 75.47.Lx, 75.47.Gk

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Author Biographies

  • Elisabeth Restrepo Parra, Universidad Nacional de Colombia sede Manizales

    Dr en ingeniería, Profesosa del departamento de ísica y Química, pertenenciente a los grupos PCM Computational Applications y Física del Plasma

  • Hector Silvio Barco Ríos, Universidad Nacional de Colombia sede Manizales
    Profesor Departamento de Física y Química
  • Edilberto Rojas calderon, Universidad Nacional de Colombia sede Manizales
    Profesor Departamento de Física y Química

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Published

2014-03-27

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Vol. 10 No. 20 (2014)

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How to Cite

Restrepo Parra, E., Barco Ríos, H. S., & Rojas calderon, E. (2014). Graphic Interface Implementation for Studying Magnetotransport Properties in Bilayers of Manganites Type Perovskite. Ingeniería Y Ciencia, 10(20), 77-92. https://doi.org/10.17230/ingciencia.10.20.6