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

Jing Li | Zendy; Wei Yuan | Zendy; Xiaoling Peng | Zendy; Yanting Yang | Zendy; Jingcai Xu | Zendy; Xinqing Wang | Zendy; Bo Hong | Zendy; Hongxiao Jin | Zendy; Dingfeng Jin | Zendy; Hongliang Ge | Zendy

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

Author(s) -

Jing Li,

Wei Yuan,

Xiaoling Peng,

Yanting Yang,

Jingcai Xu,

Xinqing Wang,

Bo Hong,

Hongxiao Jin,

Dingfeng Jin,

Hongliang Ge

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4967950

Subject(s) - nitriding , materials science , magnetite , nanoparticle , hydrogen , yield (engineering) , chemical engineering , magnetization , metallurgy , analytical chemistry (journal) , nuclear chemistry , nanotechnology , chemistry , magnetic field , chromatography , physics , organic chemistry , layer (electronics) , quantum mechanics , engineering

α″-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 α″-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 α″-Fe16N2 up to 59.8 wt. %, which exhibits a saturation magnetization of about 207.3 emu/g

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