Neue Verbindungen zum BaNiNd2O5-Typ: BaNiLn2O5(Ln=Sm, Gd, Ho, Er, Tm)
✍ Scribed by Stephan Schiffler; Hanskarl Müller-Buschbaum
- Publisher
- Springer Vienna
- Year
- 1987
- Tongue
- English
- Weight
- 327 KB
- Volume
- 118
- Category
- Article
- ISSN
- 0026-9247
No coin nor oath required. For personal study only.
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The optical properties of Ln 2 Ti 2 S 2 O 5 compounds (Ln=Nd, Sm, Gd, Tb, Dy, Ho, Er, and Y) have been measured. Diffuse reflectance spectra revealed a strong absorption band above 2 eV, which explains the color of the compounds. Moreover, other bands, with a lower intensity, have been attributed to
Employing electrochemical cells with the solid zirconia electrolyte Cu20, Cu2Ln2Oa, Ln203 II 0 2-II air and Cu20, CuGd204, Gd203 [I O2-11 air the Gibbs free energy of formation of the solid Cu2Ln205 (Ln=Yb, Tm, Er, Ho, Dy) and CuGd204 phases was determined. The results obtained were used to derive G