Absorption spectroscopy provides information on the chemical nature, atomic structure and concentration of hydrogen-like centers, to which belong most of the dopants of semiconductors and insulators. In this book, an introduction to the bulk optical properties of these materials and to the properties of hydrogen-like centers is first provided, followed by a description of set-ups used in absorption spectroscopy. The results of the calculations of the energy levels of these centres by effective-mass theory are exposed. Detailed absorption data on specific classes of centres are compared with theory, and atomic structures are deduced from absorption measurements under external perturbations.

Auteur

B. Pajot has been a Directeur de Recherches of the Centre National de la Recherche Scientifique (CNRS). He has worked at Groupe de Physique des Solides, a laboratory associated to CNRS (now part of Institut des NanoSciences de Paris), where he has been mainly involved in the spectroscopy of impurities and defects in semiconductors.

B. Clerjaud is Physics Professor at Université Pierre et Marie Curie. He presently works at the Institut des NanoSciences de Paris. He has a long experience in the study of impurities in solids, in particular in the investigation of transition metals and light impurities.

Résumé

Semiconducting and Insulating Crystals details how absorption spectroscopy provides information on the nature, concentration, charge state and configuration of impurities in crystals and also on their kinetics and transformations under annealing. After an introduction of the bulk optical properties of semiconductors and insulators and of impurities in crystals, this book presents the physical bases necessary for the understanding of impurity spectra. The description of various set-ups and accessories used in absorption spectroscopy is followed by a presentation of experimental results on specific impurities and classes of impurities and their relation with those obtained by various computation and by other experimental techniques.

Contenu
Origins and Atomic Properties of H-Like Centres.- Bulk Optical Absorption.- Methods and Techniques of Absorption Spectroscopy of Solids.- Effective-Mass Theory and its Use.- Donor and Donor-Like EM Spectra.- EM Acceptor Spectra.- Effects of Perturbations.