Magnetic and structural properties of Fe3−xCrxAl0.5Si0.5

Magnetic and structural properties of Fe3−xCrxAl0.5Si0.5

Results of X-ray, neutron, magnetization and Mössbauer measurements on polycrystalline samples of Fe3−xCrxAl0.5Si0.5 (x 0, 0.125, 0.250, 0.375 and 0.5) alloys are presented. The alloys crystallize in the structure of DO3 type, and their unit cell volumes are practically independent of the chromium c...

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Veröffentlicht in:Journal of physics. Conference series 2012-02, Vol.340 (1)
Hauptverfasser: Rećko, K, Satula, D, Dobrzyński, L, Biernacka, M, Waliszewski, J, A Go, Milczarek, J J
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Chromium
Homogeneity
Magnetic moments
Magnetic properties
Magnetization
Neutron diffraction
Neutrons
Physics
Silicon
Unit cell
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Zusammenfassung:Results of X-ray, neutron, magnetization and Mössbauer measurements on polycrystalline samples of Fe3−xCrxAl0.5Si0.5 (x 0, 0.125, 0.250, 0.375 and 0.5) alloys are presented. The alloys crystallize in the structure of DO3 type, and their unit cell volumes are practically independent of the chromium concentration. X-ray and neutron diffraction confirmed the phase homogeneity of all the samples. Neutron and Mossbauer measurements disclosed that Cr atoms occupy preferentially B-sites, while D sites are almost entirely occupied by Al and Si. The total magnetisation as well as the site and individual magnetic moments μFe(A,C), μFe(B) and μCr(B,D) have been found to be linearly dependent on the chromium concentration.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/340/1/012070