Synthesis of fine α″-Fe16N2 powders by low-temperature nitridation of α-Fe from magnetite nanoparticles

Synthesis of fine α″-Fe16N2 powders by low-temperature nitridation of α-Fe from magnetite nanoparticles
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磁铁矿纳米粒子低温氮化α-Fe合成α-Fe16N2细粉

DOI:
10.1063/1.4967950
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发表时间:
2016-12
期刊:
影响因子:
1.6
通讯作者:
Yanting Yang
Yanting Yang
中科院分区:
材料科学4区
文献类型:
--
作者:
Jing Li;Wei Yuan;Xiaoling Peng;Yanting Yang

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以Fe_3 O_4为原料,经氢还原和低温氮化制备了Fe_(16)N_2纳米粒子。研究了还原和氮化条件对00-Fe_(16)N_2合成的影响。研究了氮化产物的磁性能。结果表明,在400 ℃还原4 h和170 ℃氮化16 h的条件下,00-Fe_(16)N_2的产率最高,达59.8wt. %,其表现出约207.3emu/g的饱和磁化强度。
Fe16N2 nanoparticles were produced from starting Fe3O4 powders via hydrogen reduction and low temperature nitridation. Influences of both reduction and nitridation conditions on the synthesis of 00-Fe16N2 were investigated in detail. The.magnetic properties of the nitrided products were also studied. The results show that the combination of 4-h reduction at 400 C and 16-h nitridation at 170 C gives the highest yield of 00-Fe16N2 up to 59.8 wt. %, which exhibits a saturation magnetization.of about 207.3 emu/g.
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