[S3] S3.Trends in the development of ultra-low loss soft magneticmaterials~Toward realization of innovative power electronics techno-logies by co-creation with power semiconductors~(2)

[S3.14] [基調講演]Core loss reduction of soft magnetic materials by nanostructure engineering

*Hossein SEPEHRI　Amin¹, R. Gautam¹, S. Hiramoto², H. Mamiya¹, S. Okamoto³, T. Miyatake², T. Ohkubo¹ (1. NIMS、2. Tohoku Magnet Institute、3. Tohoku University)

Keywords:Soft Magnets、Core Loss、Microstructure

In this study, we demonstrate that the high-frequency core losses in the Fe-based soft magnetic ribbons are mainly controlled by anomalous losses, which can be minimized by nanostructure engineering.