| Popis: |
After a quick sketch of activities in the area of dc conductivity studies on semiconductor surface space charge layers, the paper presents a comprehensive summary of the high frequency, dynamical studies. We discuss in succession microwave frequency measurements of the parallel conductivity, the far-infrared resonance spectroscopy between electric subbands of the space charge layer and cyclotron resonance. In a concluding section we present some results on photoconductivity experiments and a discussion of some other possible resonance effects. |
