Influence of niobium impurity on spin density in metallic iron | Zendy

Błachowski A. | Zendy; Ruebenbauer K. | Zendy; Żukrowski J. | Zendy

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Influence of niobium impurity on spin density in metallic iron

Author(s) -

Błachowski A.,

Ruebenbauer K.,

Żukrowski J.

Publication year - 2005

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.200541086

Subject(s) - impurity , hyperfine structure , niobium , mössbauer spectroscopy , materials science , stoichiometry , atom (system on chip) , phase (matter) , metal , analytical chemistry (journal) , chemistry , crystallography , metallurgy , atomic physics , physics , organic chemistry , chromatography , computer science , embedded system

Random alloys of Nb in α‐Fe with the Nb concentration up to about 5 at.% were investigated by means of Mössbauer spectroscopy at room temperature vs. Nb concentration. A solid solution saturates at about 2.3 at.% of Nb. Non‐stoichiometric Fe 2 Nb phase rich in Fe precipitates at higher Nb concentrations leaving α‐Fe phase with about 1.6 at.% of Nb. The spin density of the iron atom is influenced in the α phase by the Nb atoms residing as nearest neighbours or second nearest neighbours. More distant impurities have no effect on the hyperfine parameters of Fe. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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