Characterization of the Phase Mixture Comprising Sodium Hafnate and Hafnia

Solid state electrochemical and XRD studies reveal that the phase relation between Na2HfO3 and HfO2 in the temperature region below about 600 °C is governed by the existence of a third phase disregarded so far, i.e. non‐stoichiometric Na‐modified cubic HfO2, which is intermediate in terms of the sod...

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Bibliographic Details
Published in:	Zeitschrift für anorganische und allgemeine Chemie (1950) Vol. 640; no. 10; pp. 1987 - 1995
Main Authors:	Näfe, Helfried, Karpukhina, Natalia, Gautam, Devendraprakash, Näfe, Gregor
Format:	Journal Article
Language:	English
Published:	Weinheim WILEY-VCH Verlag 01-08-2014 WILEY‐VCH Verlag Wiley Subscription Services, Inc
Subjects:	Chemical potential Electrochemical analysis Hafnia Hafnium oxide Na-modified cubic hafnia Sodium Sodium hafnate Solid state potentiometry
Online Access:	Get full text
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Summary:	Solid state electrochemical and XRD studies reveal that the phase relation between Na2HfO3 and HfO2 in the temperature region below about 600 °C is governed by the existence of a third phase disregarded so far, i.e. non‐stoichiometric Na‐modified cubic HfO2, which is intermediate in terms of the sodium oxide chemical potential.
Bibliography:	istex:0E91940BFD0AC8E4492C5D7D68E4C71A073BFAE1 Max Planck Society ark:/67375/WNG-FM5NZZWP-D ArticleID:ZAAC201400097
ISSN:	0044-2313 1521-3749
DOI:	10.1002/zaac.201400097