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Reducing leakage current and enhancing polarization in multiferroic 3D super-nanocomposites by microstructure
Erik Enriquez1, Ping Lu2, Leigang Li3
1Department of Physics and Astronomy, University of Texas-Rio Grande Valley (UTRGV), Edinburg, TX-78539, United States of America.
Nanotechnology
|March 21, 2022
Summary
Researchers developed novel 3D super-nanocomposites using microstructure engineering. This method enhances functional properties of multiferroic materials for advanced device applications.
Area of Science:
- Materials Science
- Nanotechnology
- Condensed Matter Physics
Background:
- Multiferroic materials are promising for functional devices.
- Nanocomposites offer new functionalities but present challenges.
- 3D super-nanocomposites (3D-sNC) enable enhanced property control.
Purpose of the Study:
- To develop a new 3D-sNC with CoFe2O4 (CFO) nanopillars in a BaTiO3 (BTO) matrix.
- To utilize microstructure engineering for enhanced material properties.
- To explore applications requiring systematically modified functional properties.
Main Methods:
- Fabrication of 3D-sNC via alternating deposition of BTO:CFO and BTO layers.
- Microstructure engineering to embed CFO nanopillars within a BTO matrix.
- Characterization of the resulting nanocomposite structure and properties.
Main Results:
- Successfully created a 3D-sNC with CFO nanopillar arrays in a BTO film.
- Microstructure engineering encapsulated the conductive CFO phase within the insulating BTO phase.
- Suppressed leakage current and enhanced polarization were observed.
Conclusions:
- Microstructure engineering in 3D-sNC provides a bottom-up fabrication method for advanced nanostructures.
- This approach offers control over functional properties for diverse applications.
- The developed method is versatile for creating various nanostructure configurations.
