Ge Chuannan, Lei Chenglong, Wang Bo, Wang Yakun, Peng Zhouhao, Wang Zhitong, Guo Yunjun
School of Physics and Information Engineering, Jiangsu Second Normal University, Nanjing 210013, China.
Haian Institute of High-Tech Research, Nanjing University, Nanjing 210093, China.
Nanomaterials (Basel). 2023 Feb 13;13(4):712. doi: 10.3390/nano13040712.
Nanosized spinel ferrites MFeO (M = Mn, Co, Ni, Cu, Zn)-coated flaky FeSiAl alloy composites were synthesized successfully. Nano-ferrites preferentially grow into nanoplatelets due to induced or restricted growth on the flaky surface of FeSiAl. With annealing temperature increasing, the ferrites' nanosheets thicken gradually and then grow into irregular particles. The annealing temperature not only affects the nanosized morphology and coating but also the magnetic properties of flaky FeSiAl composites. The saturation magnetization of CuFeO- or NiFeO-coated FeSiAl is approximate 69 emu/g, where the value of MnFeO-, CoFeO- and ZnFeO-coated FeSiAl show a decreasing trend generally from 64 emu/g to 55.7 emu/g annealing at 800 °C, respectively. The saturation magnetization of flaky FeSiAl composites was improved with the increased annealing temperature, except for those coated with ZnFeO and NiFeO. These results are useful for improving the comprehensive properties of ferrite-coated flaky FeSiAl alloy composites.
成功合成了纳米尖晶石铁氧体MFeO（M = Mn、Co、Ni、Cu、Zn）包覆的片状FeSiAl合金复合材料。由于在FeSiAl的片状表面上的诱导生长或受限生长，纳米铁氧体优先生长为纳米片。随着退火温度的升高，铁氧体的纳米片逐渐增厚，然后生长成不规则颗粒。退火温度不仅影响纳米尺寸的形态和包覆情况，还影响片状FeSiAl复合材料的磁性能。CuFeO或NiFeO包覆的FeSiAl的饱和磁化强度约为69 emu/g，而MnFeO、CoFeO和ZnFeO包覆的FeSiAl在800℃退火时的值通常呈现从64 emu/g到55.7 emu/g的下降趋势。片状FeSiAl复合材料的饱和磁化强度随着退火温度的升高而提高，但ZnFeO和NiFeO包覆的除外。这些结果对于改善铁氧体包覆的片状FeSiAl合金复合材料的综合性能很有用。
Nanomaterials (Basel). 2023-2-13
Materials (Basel). 2021-2-28
Zotero 插件
