Volume 123, Number 1, July 2018
|Number of page(s)||4|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||20 August 2018|
Strain-mediated magnetic properties of epitaxial cobalt ferrite thin films on flexible muscovite
Tianjin Key Laboratory of Low Dimensional Materials Physics and Processing Technology, Faculty of Science, Tianjin University - Tianjin 300350, PRC
Received: 18 April 2018
Accepted: 17 July 2018
The (111)-oriented epitaxial cobalt ferrite (Co0.8Fe2.2O4, CFO) films were grown on flexible muscovite (mica) substrates by reactive co-sputtering. The mechanical strain-tuned magnetic properties of CFO/mica heterostructures were investigated. The increased saturation magnetization and reduced coercive field were observed for the CFO/mica flexible heterostructures under the bending states. The phenomena are related to the changed magnetocrystalline anisotropy, due to the octahedron distortion. Our findings make spine ferrite thin films a potential candidate in flexible electromagnetic devices and provide a new method to study the strain-tuned properties for functional films.
PACS: 75.47.Lx – Magnetic oxides / 75.75.-c – Magnetic properties of nanostructures / 81.70.Bt – Mechanical testing, impact tests, static and dynamic loads
© EPLA, 2018
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