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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
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).
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