On the validity of the fitting model of transmission Mössbauer spectra of Fe78Si9B13 amorphous alloy

Changes in the Surroundings of the Central Iron Atom in Amorphous Alloys

“…Different environments in the nuclei of 57 Fe atoms in the tested samples confirm the bimodal distributions of the magnetic hyperfine fields P (B) shown in Fig. 2 [3,16]. The distributions for all tested samples, both after solidification and after annealing at temperatures of 600, 700, and 800 K, are similar and consist of two clearly separated peaks: low and high field.…”

“…However, if the magnetic structure in the sample is disordered, the intensity parameter A23 = 2. By analyzing the A23 parameter, the magnetic texture of the tested samples can be assessed [1,3].…”

“…However, materials with an amorphous structure are characterized by the lack of boundary grains in their structure, unlike materials with a crystalline structure of the same chemical composition. Metallic glasses have been studied for many decades [1][2][3][4] in various respects, i.e., magnetic and mechanical properties, structural system, and thermal stability, using various types of measurement methods, including X-ray diffraction (XRD), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), Mössbauer spectrometry, etc. [3][4][5][6][7].…”

“…Metallic glasses have been studied for many decades [1][2][3][4] in various respects, i.e., magnetic and mechanical properties, structural system, and thermal stability, using various types of measurement methods, including X-ray diffraction (XRD), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), Mössbauer spectrometry, etc. [3][4][5][6][7]. It is also known that the properties of amorphous alloys can be improved by applying appropriate annealing at temperatures below the crystallization temperature.…”