Fe-C nano _ particles, which is produced by AC arc method in Ar gas atmosphere at pressure of 18 kPa, is studied by transmission electron microscope(TEM) observation and selected area electron diffraction(SAED) analysis.

• 利用透射电镜观察和选区电子衍射分析研究了在18kPa的Ar气氛中通过交流电弧法制备的Fe -C纳米微粒。