Abstract
We have grown NiFe2O4 thin films on (001)-oriented SrTiO3 and (001)-oriented Pt underlayers. Although these two templates present a similar lattice mismatch with NiFe2O4 (about -6%), the ferrite grows cube-on-cube with a (001) orientation on SrTiO3 and (111)-textured on Pt, with four different in-plane variants. This evidences that the interface energy between NiFe2O4 and Pt or SrTiO3 is the key parameter ruling the film texture, while the elastic energy appears as a second-order factor. We compare the structural and magnetic properties of these two films and discuss possible applications of our findings.
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68.55.Jk; 75.50.Gg
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Lüders, U., Bibes, M., Bobo, J. et al. Tuning the growth orientation of NiFe2O4 films by appropriate underlayer selection. Appl. Phys. A 80, 427–431 (2005). https://doi.org/10.1007/s00339-004-2886-5
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DOI: https://doi.org/10.1007/s00339-004-2886-5