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Charge and coordination states of iron cations in La1-xMexFeO3-y (Me=Ca, Sr, Ba) prepared by mechanochemical route as related to oxygen reactivity

Published online by Cambridge University Press:  01 February 2011

Lyubov A. Isupova ,
Yurii T. Pavlyukhin ,
Vladimir A. Rogov ,
Galina M. Alikina ,
Sergei V. Tsybulya ,
Irina S. Yakovleva  and
Vladislav A. Sadykov
Lyubov A. Isupova
Affiliation:
Boreskov Institute of Catalysis SB RAS, Pr. Lavrent'eva 5, Novosibirsk, Russia; e-mail: isupova@catalysis.nsk.su
Yurii T. Pavlyukhin
Affiliation:
Institute of Solid State Chemistry SB RAS, ul. Kutateladze, 18, Novosibirsk, Rusia; e-mail: isupova@catalysis.nsk.su
Vladimir A. Rogov
Affiliation:
Boreskov Institute of Catalysis SB RAS, Pr. Lavrent'eva 5, Novosibirsk, Russia; e-mail: isupova@catalysis.nsk.su
Galina M. Alikina
Affiliation:
Boreskov Institute of Catalysis SB RAS, Pr. Lavrent'eva 5, Novosibirsk, Russia; e-mail: isupova@catalysis.nsk.su
Sergei V. Tsybulya
Affiliation:
Boreskov Institute of Catalysis SB RAS, Pr. Lavrent'eva 5, Novosibirsk, Russia; e-mail: isupova@catalysis.nsk.su
Irina S. Yakovleva
Affiliation:
Boreskov Institute of Catalysis SB RAS, Pr. Lavrent'eva 5, Novosibirsk, Russia; e-mail: isupova@catalysis.nsk.su
Vladislav A. Sadykov
Affiliation:
Boreskov Institute of Catalysis SB RAS, Pr. Lavrent'eva 5, Novosibirsk, Russia; e-mail: isupova@catalysis.nsk.su
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Abstract

This work presents results of investigation of the charge and coordination state of Fe cations in La1-xMexFeO3-y perovskites prepared by mechanochemical route by using MÖssbauer spectroscopy as related to bulk oxygen reactivity in H2 or in CH4 temperature-programmed reduction (TPR).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 848: Symposium FF – Solid-State Chemistry of Inorganic Materials V , 2004 , FF10.5
Copyright
Copyright © Materials Research Society 2005

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References

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