Characterisation of La0.5Sr0.5FeO3 and La0.5Sr0.5FeO3-d by Mossbauer Spectroscopy

Berry, Frank; Marco, José F. and Ren, Xiaolin (2005). Characterisation of La0.5Sr0.5FeO3 and La0.5Sr0.5FeO3-d by Mossbauer Spectroscopy. In: Gracia, Mercedes; Plazaola, Fernando and Marco, José F. eds. Industrial Applications of the Mössbauer Effect: International Conference on the Industrial Applications of the Mössbauer Effect. USA: American Institute of Physics, pp. 200–206.

URL: http://proceedings.aip.org/proceedings/confproceed...

Abstract

The reduction of stoichiometric La0.5Sr0.5FeO3 in flowing hydrogen and nitrogen at 600C leads to the oxygen-deficient perovskite-related phase cof composition La0.5Sr0.5FeO2.72.The partial reduction of Fe4+ to Fe3+ leads to an increase in the iron-oxygen distances, an expansion of the unit cell,and changes in magnetic properties

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