Structure and magnetic properties of epitaxial spinel ferrite thin films

Y. Suzuki, R. B. Van Dover, E. M. Gyorgy, Julia M. Phillips, V. Korenivski, D. J. Werder, C. H. Chen, R. J. Cava, J. J. Krajewski, W. F. Peck, K. B. Do

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Abstract

We have grown epitaxial spinel ferrite thin films of (Mn,Zn) Fe2O4 and CoFe2O4 on (100) and (110) SrTiO3 and MgAl2O4 buffered by spinel structure buffer layers. High quality spinel ferrite films were grown at 400°C on buffer layers that were grown at 600°C and postannealed at 1000°C. Although (Mn,Zn) Fe2O4 grown directly on SrTiO3 and MgAl2O4 shows mediocre structural and magnetic properties, ferrite films grown on (100) and (110) SrTiO3 and MgAl2O4 buffered with CoCr2O4 exhibit excellent crystallinity and bulk saturation magnetization values, thus indicating the importance of lattice match and structural similarity between the film and the immediately underlying layer.

Original languageEnglish (US)
Pages (from-to)714-716
Number of pages3
JournalApplied Physics Letters
Volume68
Issue number5
DOIs
StatePublished - 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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    Suzuki, Y., Van Dover, R. B., Gyorgy, E. M., Phillips, J. M., Korenivski, V., Werder, D. J., Chen, C. H., Cava, R. J., Krajewski, J. J., Peck, W. F., & Do, K. B. (1996). Structure and magnetic properties of epitaxial spinel ferrite thin films. Applied Physics Letters, 68(5), 714-716. https://doi.org/10.1063/1.116601