IMPEDANCE OF COMPOSITE MEDIA

I will review experimental and theoretical work in which impedance tec hniques are being used as sensors to characterize the dynamic and stat ic properties of solid-liquid composite media. Examples will be presen ted from electrochemistry, oil-well logging and solid-state physics. T heoretical models will include the models that are being developed by the oil logging industry, transmission line models and effective mediu m theories and equivalent circuit analysis. The characterization of po rous Si will be used as an example.