Table 1 |
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|
Grain size (<d>), lattice strain (ε) based on Willimson-Hall method and cell parameters of the samples are calculated using XRD data. |
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|
Sample |
Grain size (nm) |
Latice-strain |
Lattice parameter a(Ǻ) |
Lattice parameter c(Ǻ) |
Volume (Ǻ)3 |
|
|
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|
α-Fe2O3 |
-- |
-- |
5.0386 ± 0.0014 |
13.7498 ± 0.0002 |
302.30 ± 0.0840 |
|
|
|||||
|
MA0 |
-- |
-- |
-- |
-- |
-- |
|
|
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|
MA24 |
63 |
0.4817 ± 0.0756 |
4.9521 ± 0.0021 |
13.6063 ± 0.0004 |
288.96 ± 0.1221 |
|
|
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|
MA48 |
46 |
0.5121 ± 0.0365 |
4.9535 ± 0.0016 |
13.6041 ± 0.0002 |
289.08 ± 0.0923 |
|
|
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|
MA84 |
35 |
0.5771 ± 0.0604 |
4.9546 ± 0.0013 |
13.6082 ± 0.0003 |
289.29 ± 0.0781 |
|
|
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|
SN1 |
55 |
0.4495 ± 0.0416 |
4.9526 ± 0.0019 |
13.6142 ± 0.0002 |
289.19 ± 0.1090 |
|
|
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|
SN3 |
74 |
0.3709 ± 0.0118 |
4.9520 ± 0.0018 |
13.6084 ± 0.0002 |
288.99 ± 0.1099 |
|
|
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|
SN17 |
86 |
0.3202 ± 0.0121 |
4.9512 ± 0.0012 |
13.6070 ± 0.0002 |
288.87 ± 0.0997 |
|
|
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|
Cr2O3 |
-- |
-- |
4.9510 ± 0.0011 |
13.5996 ± 0.0001 |
288.69 ± 0.0667 |
|
|
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|
The parameters are not calculated for MA0 sample, due to the coexistence of two XRD patterns. |
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|
Bhowmik et al. PMC Physics B 2008 1:20 doi:10.1186/1754-0429-1-20 |
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