Temperature Dependent Magnetic and Structural Properties of Co2(Fe, Ti)Ga Thin Films


Article Preview

We report on the first study of magnetic and structural properties of Co2Fe1-xTixGa thin films prepared by a magnetron sputtering technique. The presence of well-defined (220) and (422) peaks corresponding to the principal reflection of the Heusler structure were revealed by XRD analysis. Results of magnetic properties measurements of the thin films showed that annealed samples have uniaxial in-plane anisotropy but magnetic properties of as-prepared samples exhibit anisotropy within the plane. The annealed thin films demonstrate complex magnetization process which can be attributed to the difference in the magnetic properties of two coexisting phases with B2 and L21 structural ordering.



Solid State Phenomena (Volumes 233-234)

Edited by:

Nikolai Perov and Anna Semisalova




V. Rodionova et al., "Temperature Dependent Magnetic and Structural Properties of Co2(Fe, Ti)Ga Thin Films", Solid State Phenomena, Vols. 233-234, pp. 674-677, 2015

Online since:

July 2015




* - Corresponding Author

[1] T. Graf, S. S. P. Parkin, and C. Felser, Heusler compounds — a material class with exceptional properties, IEEE Trans. Magn., 47 (2011), 367-373.

DOI: https://doi.org/10.1109/tmag.2010.2096229

[2] M. Zhang, E. Bruck, F. R. de Boer, Z. Li, and G. Wu, The magnetic and transport properties of the Co2FeGa Heusler alloy, J. Phys. D: Appl. Phys., 37 (2004), 2049-(2053).

DOI: https://doi.org/10.1088/0022-3727/37/15/001

[3] B. S. D. Ch. S. Varaprasad, A. Srinivasan, Y. K. Takahashi, M. Hayashi, A. Rajanikanth, and K. Hono, Spin polarization and Gilbert damping of Co2Fe(GaxGe1-x) Heusler alloys, Acta Mater., 60 (2012), 6257-6265.

DOI: https://doi.org/10.1016/j.actamat.2012.07.045

[4] F. Ahmadian, A. Boochani, Half-metallic properties of the Co2Ti1-xFexGa Heusler alloys and Co2Ti0. 5Fe0. 5Ga (001) surface, Physica B., 406 (2011), 2865-2870.

DOI: https://doi.org/10.1016/j.physb.2011.04.050

[5] Y. V. Kudryavtsev, V. A. Oksenenko, Y. P. Lee, Y. H. Hyun, J. B. Kim, J. S. Park, S. Y. Park, and J. Dubowik, Evolution of the magnetic properties of Co2MnGa Heusler alloy films: From amorphous to ordered films, Phys. Rev. B, 76 (2007).

DOI: https://doi.org/10.1103/physrevb.76.024430

[6] O. Gaier, J. Hamrle, S. J. Hermsdoerfer, H. Schultheiβ, B. Hillebrands, Y. Sakuraba, M. Oogane, and Y. Ando, Influence of the L21 ordering degree on the magnetic properties of Co2MnSi Heusler films, J. Appl. Phys., 103 (2008), 103910-1 – 103910-6.

DOI: https://doi.org/10.1063/1.2931023

[7] M. Obaida, K. Westerholt, and H. Zabel, Magnetotransport properties of Cu2MnAl, Co2MnGe, and Co2MnSi Heusler alloy thin films: From nanocrystalline disordered state to long-range-ordered crystalline state, Phys. Rev. B, 84 (2011).

DOI: https://doi.org/10.1103/physrevb.84.184416

[8] P. J. Webster and K. R. A. Ziebeck, Heusler alloys, in Landolt–Börnstein Numerical Data and Functional Relationship in Science and Technology. New Series, vol. 19 Magnetic properties of metals, subvol. C, H. P. J. Wijn, Ed. Berlin: Springer–Verlag, 1988, pp.75-185.

[9] G. Herzer, Grain size dependence of coercivity and permeability in nanocrystalline ferromagnets, IEEE Trans. on Magnetics, 26, 5 (1990), 1397-1402.

DOI: https://doi.org/10.1109/20.104389

Fetching data from Crossref.
This may take some time to load.