Particle Penetration and Radiation Effects Volume 2, Peter Sigmund

Автор: Viktor S. Vavilov
Название: Effects of Radiation on Semiconductors
ISBN: 1489927220 ISBN-13(EAN): 9781489927224
Издательство: Springer
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Описание: The effects of electromagnetic radiation and high-energy par- ticles on semiconductors can be divided into two main processes: (a) the excitation of electrons (the special case is internal ioniza- tion, i. e., the generation of excess charge carriers); and(b) dis- turbance of the periodic structure of the crystal, i. e., the forma- tion of structural radiation defects. Naturally, investigations of the effects of radiation on semiconductors cannot be considered in isolation. Thus, for example, the problern of radiation de- fects is part of the generalproblern of crystal lattice defects and the influence of such defects on the processes occurring in semi- conductors. The same is true of photoelectric and similar phe- nomena where the action of the radiation is only the start of a complex chain of nonequilibrium electronprocesses. Nevertheless, particularly from the point of view of the experimental physicist, the radiation effects discussed in the present book have inter- esting features: several types of radiation may produce the same resul t (for example, ionization by photons and by charged particles) or one type of radiation may produce several effects (ionization and radiation -defect formation). The aim of the author was to consider the most typical prob- lems. The subjects discussed differ widely from one another in the extent to which they have been investigated.