On the High-temperature Crystal Structure of Sr/Mg-doped Lanthanum Gallate. Evidence for the First Perovskite-type Structure with R3¯m Symmetry
✍ Scribed by Hans Boysen; Martin Lerch; Harald Lehnert; Helmut Ehrenberg
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- German
- Weight
- 86 KB
- Volume
- 628
- Category
- Article
- ISSN
- 0372-7874
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✦ Synopsis
The high temperature structure above 700°C of the oxygen superionic conductor La 0.9 Sr 0.1 Ga 0.8 Mg 0.2 O 2.85 has been analyzed by means of a combined neutron and high resolution synchrotron powder study. The splitting of reflections and the absence of any superstructure reflections leads to the conclusion that the correct space group is R3 ¯m. This is the first example of this
Über die Kristallstruktur von Sr/Mg-dotiertem Lanthangallat bei hohen Temperaturen. Der erste Perowskit-Typ mit R3 ¯m-Symmetrie
Inhaltsübersicht. Die Kristallstruktur des schnellen Sauerstoffionenleiters La 0.9 Sr 0.1 Ga 0.8 Mg 0.2 O 2.85 wurde in situ bei Temperaturen oberhalb von 700°C mit Pulverbeugungsmethoden unter Nutzung von Neutronen-und Synchrotronstrahlung untersucht.Die
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