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Na+/H+ Topotactic Exchange on NaNbWO6 with TTB-like Structure: The series HxNa1-xNbWO6

Published online by Cambridge University Press:  11 February 2011

A. Kuhn ,
F. García-Alvarado ,
H. Bashir ,
A. L. Dos Santos  and
J. L. Acosta
A. Kuhn
Affiliation:
Department of Chemistry. Universidad San Pablo-CEU. E-28668 Boadilla del Monte, Madrid (SPAIN); e-mail: flgaal@ceu.es
F. García-Alvarado
Affiliation:
Department of Chemistry. Universidad San Pablo-CEU. E-28668 Boadilla del Monte, Madrid (SPAIN); e-mail: flgaal@ceu.es
H. Bashir
Affiliation:
Instituto de Ciencia y Tecnología de Polímeros, CSIC, 28006 Madrid (SPAIN).
A. L. Dos Santos
Affiliation:
Instituto de Ciencia y Tecnología de Polímeros, CSIC, 28006 Madrid (SPAIN).
J. L. Acosta
Affiliation:
Instituto de Ciencia y Tecnología de Polímeros, CSIC, 28006 Madrid (SPAIN).
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Abstract

TTB-type NaNbWO6 has been used to perform sodium-proton exchange reactions by using nitric acid as an exchanging agent. The characterisation of the exchange reaction products, performed by means of chemical analysis, X-ray diffraction and thermogravimetric analysis, indicate that the exchange reaction takes place topotactically. The following formula is proposed for the obtained phase of variable composition: Na1-xHxNbWO6 (0<x<0.46).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 755: Symposium DD – Solid-State Chemistry of Inorganic Materials IV , 2002 , DD6.26
Copyright
Copyright © Materials Research Society 2003

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References

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