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The grain boundary effect in heavily doped cerium oxide

✍ Scribed by A. Tschöpe; S. Kilassonia; R. Birringer


Book ID
108272048
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
389 KB
Volume
173
Category
Article
ISSN
0167-2738

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Grain boundary diffusion in Cr-doped NiO
✍ Dr. Alan Atkinson; Dr. D. W. Smart; Dr. R. I. Taylor 📂 Article 📅 1987 🏛 John Wiley and Sons 🌐 German ⚖ 826 KB

We have measured the diffusion of aNi radiotracer into polycrystalline NiO. nominally doped with 0.1% Cr (Cr/Ni ratio) in the temperature range 600 to 900°C. The experiments show that Cr doping increases diffusion of Ni in the oxide lattice, but decreases diffusion of Ni along grain boundaries provi