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Unconventional Microwave Response of Self-Assembled Multiferroic Nanostructures in Epitaxial Thin Films

Published

Author(s)

Julia Slutsker, V Talanov, I Smolyaninov, Igor Levin, A R. Schwartz, Alexander L. Roytburd

Abstract

The response of self-assembled CoFe2O4-PbTiO3 multiferroic nanostructures to an external microwave field was analyzed using a near-field scanning microwave probe. The nanostructures, grown as thin films on single crystal SrTiO3, consisted of magnetic CoFe2O4 nanorods in a ferroelectric PbTiO3 matrix. The results demonstrated that the strong electromagnetic coupling in composite multiferroic films leads to the unusually low apparent values of the dielectric constant (e?1) at certain frequencies in the microwave range, so that these nanostructures can be considered as a special case of metamaterials.
Citation
Advanced Materials

Keywords

metamaterials, microwave, multiferroics, thin films

Citation

Slutsker, J. , Talanov, V. , Smolyaninov, I. , Levin, I. , Schwartz, A. and Roytburd, A. (2017), Unconventional Microwave Response of Self-Assembled Multiferroic Nanostructures in Epitaxial Thin Films, Advanced Materials (Accessed April 16, 2024)
Created February 19, 2017