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- Title
Enhanced giant magnetoimpedance effect in FINEMET/TiO<sub>2</sub> composite ribbons.
- Authors
Yang, C.; Guo, Y. B.; Long, B. Y.; Jia, C. L.; Li, X.; Xie, W. H.; Zhao, Z. J.
- Abstract
In order to study the influence of semiconductors on the magnetic properties and giant magnetoimpedance effect of FINEMET ribbon, titanium dioxide coating layer with different thickness was sputtered onto the free surface of the FINEMET ribbon by RF magnetron sputtering to prepare the FINEMET/TiO2 composite ribbons. The morphology, magnetic properties, and giant magnetoimpedance of the FINEMET/TiO2 composite ribbons were analyzed. The results show that the GMI ratio of composite ribbons first increases and then decreases with the increase of TiO2 layer thickness (0 ~ 150 nm). When the thickness of TiO2 thin film is 100 nm, the GMI ratio reaches the maximum 57.3%, which indicates that a certain thickness of TiO2 thin film can significantly improve the GMI effect. The result can be explained by the combined result of electromagnetic interaction and stress between TiO2 thin film and the FINEMET ribbon.
- Subjects
GIANT magnetoimpedance effect; MAGNETRON sputtering; ELECTROMAGNETIC interactions; RADIOFREQUENCY sputtering; MANGANITE
- Publication
Journal of Materials Science: Materials in Electronics, 2022, Vol 33, Issue 5, p2744
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-021-07480-3