Figure 4 .
EDS patterns of the Fe element segregation structures formed in the experiment. (a) The aggregation structure formed by sintering; (b) the flake structure formed by Fe element segregation. ZAF, Z is atomic number correction factor, A is absorption correction factor, and F is fluorescence correction factor.
Ma et al. Nanoscale Research Letters 2012 7:325 doi:10.1186/1556-276X-7-325