Heavy-Water (D2O) Take-Up-Induced Lattice Expansion in the High-Temperature Proton Conductor Ba3Ca1.18Nb1.82O9−δ
✍ Scribed by Konstantinos Papathanassopoulos; Helmut Wenzl; Tilman Schober
- Book ID
- 110090001
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 133 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0002-7820
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The hydrogen uptake of Ba,(Ca, ,,x Nb, xz)O,\_s (BCN18) was studied in situ by thermogravimetry at different temperatures and water vapour pressures. The results can be described in terms of an ideal solution process. In contrast to earlier investigations on the Y b doped cerate system, the analysis
In order to study the local proton motion in complex perovskite-type protonic conductors anelastic and dielectric relaxation measurements have been carried out on the compound Ba (Ca Nb )O . Both techniques show spectra 3 1.18 1.82 92d depending on the proton concentration. From the dielectric measu