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The pre-factor D0 of the diffusion coefficient in amorphous alloys and grain boundaries

✍ Scribed by V Naundorf; M.-P Macht; A.S Bakai; N Lazarev

Book ID
117149716
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
132 KB
Volume
250-252
Category
Article
ISSN
0022-3093

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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