Improved Electrical Characterization of Ceramic Oxides Bulk vs. Interface Effects
Electrical conductivity measurements, although one of the oldest characterization techniques, remains one of the most sensitive and versatile tools for the characterization of defects and mobility mechanisms in solids. Measurements may be performed under in-situ conditions over a broad range of temperatures, pressures and chemical environments. This enables one, for example, to monitor the kinetics of various types of reactions (e. g. redox, corrosion) which otherwise remain difficult to study. The interpretation of such measurements are, however, often hampered by interface phenomena such as exist at the electrodes and grain boundaries.
KeywordsComplex Impedance Electrical Characterization Boundary Resistance Debye Relaxation Depression Angle
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