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Outline
The in-plane uniaxial magnetic anisotropy of thin-film materials is intricately linked to high cutoff frequencies. With the growing demand for high-integration electronic components， there is an increasing need for thin-film materials with high in-plane magnetic anisotropy. In this study， FeCoNiMnHf high-entropy soft magnetic thin films with varying Hf concentrations have been fabricated at room temperature using constant-voltage electrodeposition technology. The influence of Hf concentration on the microstructure， soft magnetic properties， and magnetic anisotropy of these high-entropy soft magnetic thin films is thoroughly investigated.The results reveal that as the Hf concentration increases， the grain size of the thin films expands from 240.94 nm to 383.36 nm， and the crystallinity improves from 11.68% to 24.72%. Moreover， the in-plane uniaxial magnetic anisotropy field of the thin films rises from 47.846×104 A/m to 66.2074×104 A/m， and the saturation magnetization increases from 2.763×104 A/m to 10.630×104 A/m. The FeCoNiMnHf thin films exhibit outstanding magnetic properties at room temperature， indicating significant potential for applications in areas related to high cutoff frequencies and magnetic anisotropy.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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