Table 2: Mössbauer parameters for the prepared samples at room temperature.

Sample (kOe)QS (mm s−1)IS (mm s−1)Line width Γ (mm s−1)Area ratio (%)

a 515 ± 0.008−0.215 ± 0.0020.4964 ± 0.0010.352 ± 0.004100
515.5 ± 0.008−0.205 ± 0.0020.514 ± 0.0010.337 ± 0.00422
b 0.81 ± 0.0070.5122 ± 0.0010.378 ± 0.0178
c 0.845 ± 0.0020.4388 ± 0.0010.423 ± 0.003100