Skip to main content

Official Journal of the Japan Wood Research Society

Table 1 Mössbauer parameters at 298 K of iron-loaded charcoal samples

From: Mössbauer and Raman spectroscopic characterization of iron and carbon in iron-loaded Japanese cypress charcoal

Sample Type of split IS (mm/s) QS (mm/s) H (T) LW (mm/s) Yield* (%) Iron species
Fe-C750-1 Doublet 0.337 (3) 0.792 (4) 0.64 (1) 89 (1) High-spin Fe3+ species
Sextet 0.17 (1) 0.07 (2) 20.80(8) 0.31 (3) 11 (1) Fe3C
Fe-C800-1 Doublet 0.322 (3) 0.798 (5) 0.69 (1) 79 (1) High-spin Fe3+ species
Sextet 0.19 (1) 0.02 (1) 20.70(5) 0.39 (2) 21 (1) Fe3C
Fe-C850-1 Doublet 0.56 (3) 0.48 (4) 0.53 (8) 13 (1) High-spin Fe3+ species
Sextet-1 0.184 (5) 0.030 (10) 20.71 (3) 0.32 (1) 37 (1) Fe3C
Sextet-2 0.07 (3) −0.09 (7) 33.0 (2) 0.30 (10) 5 (1) α-Fe
Singlet −0.100 (2) 0.293 (6) 45 (1) γ-Fe
Fe-C850-2 Doublet 0.25 (1) 0.96 (2) 0.58 (2) 9.4 (3) High-spin Fe3+ species
Sextet-1 0.188 (1) 0.028 (2) 20.63 (1) 0.350 (2) 69.2 (3) Fe3C
Sextet-2 −0.012 (4) 0.033 (8) 33.12 (2) 0.27 (1) 11.2 (3) α-Fe
Singlet −0.098 (6) 0.271 (6) 10.2 (2) γ-Fe
Fe-C900-1 Sextet-1 0.187 (2) 0.034 (5) 20.62 (2) 0.378 (6) 48.3 (3) Fe3C
Sextet-2 −0.015 (4) 0.04 (2) 33.27 (7) 0.21 (1) 4.8 (5) α-Fe
Singlet −0.091 (1) 0.346 (3) 46.9 (3) γ-Fe
  1. IS, isomer shift; QS, quadrupole splitting; H, internal magnetic field; T, tesla; LW, linewidth
  2. * Yields of iron species were calculated from their Mössbauer absorption areas