Version 1
: Received: 24 September 2023 / Approved: 25 September 2023 / Online: 25 September 2023 (07:28:24 CEST)
Version 2
: Received: 16 November 2023 / Approved: 16 November 2023 / Online: 17 November 2023 (09:00:43 CET)
Liu, K.; Zhang, R.; Lu, L.; Li, J.; Zhang, S. Effect of Film Thickness on Microstructural and Magnetic Properties of Lithium Ferrite Films Prepared on Strontium Titanate (001) Substrates. Coatings2023, 13, 2097.
Liu, K.; Zhang, R.; Lu, L.; Li, J.; Zhang, S. Effect of Film Thickness on Microstructural and Magnetic Properties of Lithium Ferrite Films Prepared on Strontium Titanate (001) Substrates. Coatings 2023, 13, 2097.
Liu, K.; Zhang, R.; Lu, L.; Li, J.; Zhang, S. Effect of Film Thickness on Microstructural and Magnetic Properties of Lithium Ferrite Films Prepared on Strontium Titanate (001) Substrates. Coatings2023, 13, 2097.
Liu, K.; Zhang, R.; Lu, L.; Li, J.; Zhang, S. Effect of Film Thickness on Microstructural and Magnetic Properties of Lithium Ferrite Films Prepared on Strontium Titanate (001) Substrates. Coatings 2023, 13, 2097.
Abstract
Epitaxial lithium ferrite (LiFe5O8) films with different thicknesses have been successfully fabricated on SrTiO3 (001) substrates by magnetron sputtering deposition technique. The microstructural and magnetic properties are characterized by advanced transmission electron microscope and magnetic measurement device. It was found that the formation of structural defects can be influenced by the thickness of the film. Apart from the misfit dislocations, the orientation domains form in thinner film and twin boundaries appear in thicker film, respectively, contributing to the misfit strain relaxation in the heterosystem. The magnetic measurement shows that the thinner films have enhanced magnetization and a relatively lower coercive field compared with the thicker films containing the antiferromagnetic twin boundaries. Our results provide a way for tuning the microstructure and magnetic properties of lithium ferrite films by changing the film thickness.
Keywords
Lithium ferrite; Film thickness; Defects; Magnetic properties; Electron microscopy
Subject
Chemistry and Materials Science, Electronic, Optical and Magnetic Materials
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
