Point Defects and Transport in Non-stoichiometric Oxides |
Contents
List of Figures | 7 |
POINT DEFECTS AND CATION TRACER DIFFUSION | 10 |
Preface | 12 |
Copyright | |
13 other sections not shown
Common terms and phrases
A-values a₂ Aco/Coo activation energy ao₂ Aragón bound holes boundary cation diffusion cation interstitials cation tracer diffusion cationic composition Chem Co₁-O Co₁O cobalt tracer diffusion Cobaltous Oxide contributions coulometric Cu₂-O data sets defect concentrations defect constants determined deviation from stoichiometry Dieckmann diffusing via cation electrical conductivity electrons enthalpy entire stability range experimental data function of oxygen grain size high oxygen activities high temperatures increases with increasing jump frequency log a02 log a₂(ref log10 a02 Figure logarithm low oxygen activities magnetite majority defects mass changes measured near-boundary regions Non-Stoichiometric Non-Stoichiometric Compounds Nowotny Oxygen activity dependence oxygen content partial cation tracer phase stability range Phys point defect polycrystalline pre-exponential factor reported in Ref single crystal solid solution spinel stability limits temperature dependencies temperatures between 1000 thermoelectric power thermogravimetric thermopower Titanomagnetite tracer diffusion coefficients types of cation values reported variation