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[03-04, 1998] 

Journal of Electrical Engineering, Vol 49, 03-04 (1998) 57-63

MÖSSBAUER SPECTROMETRY IN FeMCuB-TYPE NANOCRYSTALLINE ALLOYS: II. THE CASE OF M = Nb, AND Ti

Marcel Miglierini

   Fe80M7Cu1B12 (M = Nb and Ti) alloys are studied by 57Fe Mossbauer spectrometry in amorphous and nanocrystalline forms. The latter are obtained at different stages of crystallization through thermal treatment in protective atmosphere. Hyperfine interactions are examined by the help of an evaluation model which was introduced in part I, the previous paper. Three-dimensional mappings of the corresponding hyperfine field distributions enable us - after their decomposition into several Gaussian components - to sketch a structural model as well as a model of the topography of hyperfine interactions within FeMCuB-type nanocrystalline alloys.

Keywords: Mossbauer spectrometry, nanocrystalline alloys, hyperfine interactions, magnetic structure


[full-paper]


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