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. 2020 May 7;12(25):28520–28531. doi: 10.1021/acsami.0c06192

Table 2. Hyperfine Parameters of the Mössbauer Spectra of the Nanoparticles Synthesized at 230 °C.

  δ (mm/s) ε (mm/s) BHF (T) W (mm/s) area per Fe site (%) area per phase (%)
doublet 0.25 1.01   0.40 38  
Fe5C2 0.22 0.04 17.7 0.30 18 46
  0.26 0.04 22.3 0.30 18  
  0.19 0.03 13.5 0.25 10  
magnetite 0.29 –0.06 49.5 0.20 10 16