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Tunable Multiferroic Properties in Nanocomposite PbTiO3-CoFe2O4 Epitaxial Thin Films

Published

Author(s)

Makoto Murakami, K S. Chang, M A. Aronova, C L. Lin, M-H Yu, Jason Hattrick-Simpers, M. Wuttig, Ichiro Takeuchi, C Gao, S E. Lofland, Leonid A. Bendersky

Abstract

We report on the synthesis of PbTiO3-CoFe2)4 (PTO-CFO) multiferroic nanocomposite and continuous turning of their ferroic properties as a function of composition on thin-film composition spreads. Highest dielectric constant and non-linear dielectric signal was observed at PTO85-CFO15, where robust magnetism was also observed. Varieties of the properties indicate presence of interdiffusion of the cations in to each other. magnetization of the material decreases PTO as more. Transmission electron microscopy revealed pancake-shaped epitaxial nano-structure of PTO on order of 30 nm embedded in the matrix of CFO at this composition.
Citation
Journal of Applied Physics

Keywords

combinatorial, multiferroics, PbTiO3-CoFe2O4, thin films

Citation

Murakami, M. , Chang, K. , Aronova, M. , Lin, C. , Yu, M. , Hattrick-Simpers, J. , Wuttig, M. , Takeuchi, I. , Gao, C. , Lofland, S. and Bendersky, L. (2021), Tunable Multiferroic Properties in Nanocomposite PbTiO3-CoFe2O4 Epitaxial Thin Films, Journal of Applied Physics (Accessed April 20, 2024)
Created October 12, 2021