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Mössbauer Effect Study of Calcium Magnetites
Author(s) -
Hrynkiewicz A. Z.,
Kulgawczuk D. S.,
Mazanek E. S.,
Pustówka A. J.,
Sawicki J. A.,
Wyderko M. E.
Publication year - 1971
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220430142
Subject(s) - magnetite , mössbauer spectroscopy , quadrupole splitting , calcium , ferrite (magnet) , liquid nitrogen , phase (matter) , analytical chemistry (journal) , materials science , zeeman effect , chemistry , crystallography , metallurgy , magnetic field , physics , chromatography , organic chemistry , composite material , quantum mechanics
Mössbauer effect measurements for a series of iron compounds of the type Ca x Fe 3−x O 4 (0 ≦ x ≦ 0.55), known as calcium‐magnetites, are performed at room temperature and liquid nitrogen temperature. A single calcium‐magnetite phase giving Mössbauer spectra with magnetite‐like Zeeman splitting was observed up to x ≈ 0.28. For higher Ca concentrations a second phase, represented by the additional quadrupole doublet, was detected. This new phase may be identified as CaFe 2 O 4 ferrite.