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Research Article

Academia Journal of Scientific Research 7(7): 352-362, July 2019
DOI: 10.15413/ajsr.2018.0471
ISSN: 2315-7712
2019 Academia Publishing 

Abstract

 

 

Preparation and characterization of the iron nitrides with different morphology and its mechanism
 

 

Accepted 7th November, 2018

 
Sun, Zhi Gang1*, Wang, Sheng Jie1, Qiao, Xiao Jing2, Li Yan1, Zheng, Wang Hui1 and Ren Bo1

1Institute 206 Second Academy of China Aerospace Science and Industry Corporation, 0086100039, Beijing, China.
2School of Mechatronic Engineering, Beijing Institute of Technology, 0086100081, Beijing, China.

 

The iron nitride (FexNy) nanomaterials with different morphology have been synthesized by simple and energetic nitriding method with different iron oxides as iron sources. The morphology and structure of the products have been characterized by Fourie transform infrared spectrum (FTIR), X-ray diffraction (XRD), Scanning electron micrograph (SEM) and Vibrating sample magnetometer (VSM). By calcinating the iron oxides at different temperatures for 2 h, the 10 nm diameter γ-FexNy nanorods were obtained with the length-diameter ratio about 10. The addition of anion plays an important role in the development of iron oxides. The samples with polyhedral structures were prepared by SO42- added into the system, while the complex three-dimensional products were synthesized by the addition of F-. The important effects of iron source, nitrogen source and temperature on preparation of the products were also studied. The mechanism of the nitrofication process was deduced from SEM and TEM results and the microwave absorbing properties of products analyzed.

Key words: Iron nitride, magnetic property, stealth materials.

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:
Gang SZ, Jie WS, Jing QX, Yan L, Hui ZW, Bo R (2019). Preparation and characterization of the iron nitrides with different morphology and its mechanism. Acad. J. Sci. Res. 7(7): 352-362.

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