Structure and hyperfine interactions in mechanosynthesized iron–molybdenum alloys

Formation of ball-milled Fe–Mo nanostructured powders

“…At the third stage (above 12 h of milling), the solubility limit of Mo in Fe is reached and the formation of the Fe(Mo) solid solution is evidenced by a nearly constant value of the lattice parameter a = 0.2883 nm. This result agrees well with that reported in the literature for the ball-milled Fe-Mo alloys [13]. The observed lattice distortion of the Mo which is characterized by lattice expansion and increased atomic displacement with respect to the corresponding perfect crystal lattice, is evidenced by a change in the lattice parameter, a.…”

“…Fax: +213 37 20 87 58. which govern the phase formation [12,13]. Indeed, Kuyama et al reported that the low-energy ball-milling of elemental Fe and Mo powders gives rise to the formation of an amorphous phase in the composition range of 30-50 at.% Mo and a single bcc phase for both 10-20 at.% Mo and 60-90 at.% Mo concentration ranges [12].…”

“…Indeed, Kuyama et al reported that the low-energy ball-milling of elemental Fe and Mo powders gives rise to the formation of an amorphous phase in the composition range of 30-50 at.% Mo and a single bcc phase for both 10-20 at.% Mo and 60-90 at.% Mo concentration ranges [12]. For the Fe 80 Mo 20 powders mixture prepared by high-energy ball-milling, ferromagnetic Fe(Mo) and paramagnetic Mo(Fe) solid solutions have been obtained, while the milling of the Fe 50 Mo 50 powdered mixtures resulted in the formation of a paramagnetic Mo(Fe) solid solution [13].…”

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“…It is interesting to note that such small changes in the structure would probably not be detectable by either conventional xray or electron diffraction methods. (Jartych et al 2002).…”

Structure, hyperfine interactions and magnetization studies of mechanically alloyed Fe50Ge50 and Fe62Ge38

“…Mechanically synthesized Fe-based alloys have interesting magnetic properties, which suggest potential applications. Extending the previous investigation of Fe-Al, Fe-Ni, Fe-W, Fe-Nb and Fe-Mo systems [1][2][3][4][5], now the structure and some magnetic properties of mechanosynthesized Fe-Ge system is studied. Some papers devoted to the mechanically synthesized Fe-Ge alloys have appeared during last five years.…”