Abstract
Publisher Summary This chapter presents the physics of semiconductors. It discusses chemical binding and energy band structures of semiconductors, lifetime of electron-hole pairs, and impurity and lattice defect center. Sufficient information is now available about the semiconductor properties of a wide variety of materials to understand qualitatively the relations between the semiconductor properties and chemical binding and to indicate trends in the fundamental properties of semiconductor materials. In discussing these relations and trends, however, the chapter is restricted to homologous series of semiconductors with simple structures. These include (1) the group IV-B elements with diamond structures, (2) the M III- B - N V-B , M II-B - N VI-B , and M I-B - N VII-B compounds having the zinc blende or wurtzite structures, (3) the M IV-B - N VI-B , M III-B - N VI-B and the M I-B - N VII-B compounds having the sodium chloride or cesium chloride structures, and (4) the M 2 II-A - N IV-B compounds having the fluorite structure. The chapter discusses forbidden energy gaps and mobilities of materials in the various homologous series of semiconductors with other pertinent physical properties.
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