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Grain-Boundary Diffusion of Cr in Pure and Y-Doped Alumina

✍ Scribed by K. Bedu-Amissah; J. M. Rickman; H. M. Chan; M. P. Harmer

Book ID
109260250
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
269 KB
Volume
90
Category
Article
ISSN
0002-7820

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Grain boundary diffusion in Cr-doped NiO
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✍ Dr. Alan Atkinson; Dr. D. W. Smart; Dr. R. I. Taylor πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 German βš– 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 900Β°C. The experiments show that Cr doping increases diffusion of Ni in the oxide lattice, but decreases diffusion of Ni along grain boundaries provi