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Table 1 Grain size (<d>), lattice strain (ε) based on Willimson-Hall method and cell parameters of the samples are calculated using XRD data.

From: Magnetic modulation in mechanical alloyed Cr1.4Fe0.6O3oxide

Sample Grain size (nm) Latice-strain Lattice parameter a(Ǻ) Lattice parameter c(Ǻ) Volume (Ǻ)3
α-Fe2O3 -- -- 5.0386 ± 0.0014 13.7498 ± 0.0002 302.30 ± 0.0840
MA0 -- -- -- -- --
MA24 63 0.4817 ± 0.0756 4.9521 ± 0.0021 13.6063 ± 0.0004 288.96 ± 0.1221
MA48 46 0.5121 ± 0.0365 4.9535 ± 0.0016 13.6041 ± 0.0002 289.08 ± 0.0923
MA84 35 0.5771 ± 0.0604 4.9546 ± 0.0013 13.6082 ± 0.0003 289.29 ± 0.0781
SN1 55 0.4495 ± 0.0416 4.9526 ± 0.0019 13.6142 ± 0.0002 289.19 ± 0.1090
SN3 74 0.3709 ± 0.0118 4.9520 ± 0.0018 13.6084 ± 0.0002 288.99 ± 0.1099
SN17 86 0.3202 ± 0.0121 4.9512 ± 0.0012 13.6070 ± 0.0002 288.87 ± 0.0997
Cr2O3 -- -- 4.9510 ± 0.0011 13.5996 ± 0.0001 288.69 ± 0.0667
  1. The parameters are not calculated for MA0 sample, due to the coexistence of two XRD patterns.