Magnetic and Mossbauer investigation of FeSi2-xAlx

K Szymanski*, J Baas, L Dobrzynski, D Satula

*Bijbehorende auteur voor dit werk

    OnderzoeksoutputAcademicpeer review

    10 Citaten (Scopus)

    Samenvatting

    Results of X-ray diffraction, magnetic susceptibility and Mossbauer measurements are presented for FeSi2-xAlx with x = 0 up to 0.06. Almost pure beta-FeSi2 was obtained with crystallite size 1-10 mu m and with traces of the FeSi phase. The FeSi phase is created in the initial stage of crystallization in the form of dendrites. The alpha-FeSi2 phase was not detected in the annealed alloy with x = 0. Substitution of Si by Al causes appearance of the alpha-FeSi2 phase which is visible particularly clear as an additional component in Mossbauer spectra. A large maximum of the low temperature susceptibility was observed between x = 0 and x = 0.040. The maximum is interpreted as the result of the enhancement of the susceptibility in the beta-FeSi2 phase doped with Al.

    Originele taal-2English
    Pagina's (van-tot)111-120
    Aantal pagina's10
    TijdschriftPhysica B
    Volume225
    Nummer van het tijdschrift1-2
    StatusPublished - jul.-1996

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