Chemical Diffusion in Mixed Conductors under Various Boundary Conditions.I.

概要

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One-dimensional diffusion equation for chemical or ambipolar diffusion inionic-electronic mixed conductors is solved under various experimental condi-tions. (l) Electronic or ionic electrodes are set at arbitrary positions of specimenhaving various end conditions : (A) Both ends of specimen are left free. (B) Largeblocks of the material which is the same as that of the specimen are attached atboth ends so that the concentration of ions at the ends is kept constant. (C) Smallblocks of the specimen material are attached at both ends. (2) Atomic electrodes -combined electronic and ionic electrodes -are used. (3) Constant voltage isapplied between two ionic electrodes attached at both ends of the specimen,instead of current intensity being kept constant. Experiments are carried outon silver chalcogenides, typical mixed conductors, showing good agreement withcalculation results.
社団法人日本物理学会の論文
1984-12-15