Local structure and hyperfine interactions of 57Fe and 119Sn atoms in brownmillerite-like ferrite Sr2Fe1.98Sn0.02O5+x

Igor Presniakov (1) , Alexey Sobolev (1) , Konstantin Pokholok (1) , Gérard Demazeau (2) , Alexey Baranov (1)

1 Chair of Radiochemistry, Department of Chemistry
2 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux

Mössbauer spectroscopy has been applied for studying local environment of 57Fe and 119Sn probe atoms within tin-doped Sr2Fe1.98Sn0.02O5+x (x < 0.02) ferrite with the brownmillerite-type structure. 57Fe Mössbauer spectra indicate no appreciable local distortions induced by the tin dopant atoms.

Mots clés: Iron oxides; Probe atoms; Mössbauer spectroscopy; Local structure; Hyperfine interactions

Domaines: Matériaux

Igor Presniakov, Alexey Sobolev, Konstantin Pokholok, Gérard Demazeau, Alexey Baranov. Local structure and hyperfine interactions of 57Fe and 119Sn atoms in brownmillerite-like ferrite Sr2Fe1.98Sn0.02O5+x. Journal of Solid State Chemistry, 2004, 177 (10), pp.3324-3332. ⟨10.1016/j.jssc.2004.05.048⟩. ⟨hal-00154443⟩