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Author: Baldassare di Bartolo Publisher: Springer Science & Business Media ISBN: 1475744463 Category : Science Languages : en Pages : 665
Book Description
This book presents an account of the course "Advances in Nonradiative Processes in Solids" held in Erice, Italy, from June 15 to 29, 1989. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Centre for Scientific Culture. An area of solid state research that continues to attract the attention of experimental and theoretical physicists is that of nonradiative relaxation processes of excited solids. The interest in these processes stems from their technological relevance, and from the difficulty in the quantitative characterization and differentiation of their various pathways. The decay channels leading to the ground state include the conversion of electronic excitation energy into phonon energy, nonradiative transfer of excitation energy, upconversion processes, etc. Considerable advances have been achieved in understanding and modeling the radiative process that follow the electronic excitations of solids; the progress in this field has been instrumental in the development of new solid-state devices and laser materials. On the other hand, these advances have underscored the inadequacy in the understanding of the nonradiative relaxation processes. This course dealt with the advances in physical modeling, mathematical formalisms and experimental techniques relevant to the quantitative characterization of the various pathways of nonradiative relaxation of solids in excited electronic states.
Author: Baldassare di Bartolo Publisher: Springer Science & Business Media ISBN: 1475744463 Category : Science Languages : en Pages : 665
Book Description
This book presents an account of the course "Advances in Nonradiative Processes in Solids" held in Erice, Italy, from June 15 to 29, 1989. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Centre for Scientific Culture. An area of solid state research that continues to attract the attention of experimental and theoretical physicists is that of nonradiative relaxation processes of excited solids. The interest in these processes stems from their technological relevance, and from the difficulty in the quantitative characterization and differentiation of their various pathways. The decay channels leading to the ground state include the conversion of electronic excitation energy into phonon energy, nonradiative transfer of excitation energy, upconversion processes, etc. Considerable advances have been achieved in understanding and modeling the radiative process that follow the electronic excitations of solids; the progress in this field has been instrumental in the development of new solid-state devices and laser materials. On the other hand, these advances have underscored the inadequacy in the understanding of the nonradiative relaxation processes. This course dealt with the advances in physical modeling, mathematical formalisms and experimental techniques relevant to the quantitative characterization of the various pathways of nonradiative relaxation of solids in excited electronic states.
Author: Baldassare di Bartolo Publisher: Springer Science & Business Media ISBN: 146153044X Category : Science Languages : en Pages : 749
Book Description
This book presents an account of the course "Optical Properties of Excited States in Solids" held in Erice, Italy, from June 16 to 3D, 1991. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Centre for Scientific Culture. The purpose of this course was to present physical models, mathematical formalisms and experimental techniques relevant to the optical properties of excited states in solids. Some active physical species, such as ions or radicals, could survive indefinitely if they were completely 'isolated in space. Other active species, such as excited molecular and solid-state systems, are inherently unstable, even in isolation, due to the spontaneous mechanisms that may convert their excitation energies into radiation or heat. Physical parameters that may be used to characterize these excited systems are the localization or delocalization, and the coherence or incoherence, of their state excitations. In solids the excited states, whether they are localized (as for impurities in insulators) or delocalized (as they may occur in semiconductors), are relevant in several regards. Their de-excitation is extremely sensitive to the nature of the excitations of the systems, and a study of the de-excitation processes can yield a variety of information. For example, the excited states may represent the initial condition of the onset of such processes as Stokes-shifted emission, hot luminescence, symmetry-dependent Jahn-Teller and scattering processes, tunneling processes, energy transfer to like and unlike centers, superradiance, coherent radiation, and excited state absorption.
Author: Baldassare Di Bartolo Publisher: Springer Science & Business Media ISBN: 1402047894 Category : Science Languages : en Pages : 574
Book Description
This volume presents the Proceedings of "New Development in Optics and Related Fields," held in Italy in June, 2005. This meeting was organized by the International School of Atomic and Molecular Spectroscopy of the "Ettore Majorana" Center for Scientific Culture. The purpose of this Institute was to provide a comprehensive and coherent treatment of the new techniques and contemporary developments in optics and related fields.
Author: Boris Ildusovich Kharisov Publisher: CRC Press ISBN: 1466505230 Category : Science Languages : en Pages : 586
Book Description
Researchers and engineers working in nuclear laboratories, nuclear electric plants, and elsewhere in the radiochemical industries need a comprehensive handbook describing all possible radiation-chemistry interactions between irradiation and materials, the preparation of materials under distinct radiation types, the possibility of damage of material
Author: United States. Army Research Office Publisher: ISBN: Category : Military research Languages : en Pages : 412
Book Description
Vols. for 1977- consist of two parts: Chemistry, biological sciences, engineering sciences, metallurgy and materials science (issued in the spring); and Physics, electronics, mathematics, geosciences (issued in the fall).
Author: A.H. Kitai Publisher: Springer Science & Business Media ISBN: 9401115222 Category : Technology & Engineering Languages : en Pages : 389
Book Description
Historically, black body radiation in the tungsten filament lamp was our primary industrial means for producing 'artificial' light, as it replaced gas lamps. Solid state luminescent devices for applications ranging from lamps to displays have proliferated since then, particularly owing to the develop ment of semiconductors and phosphors. Our lighting products are now mostly phosphor based and this 'cold light' is replacing an increasing fraction of tungsten filament lamps. Even light emitting diodes now chal lenge such lamps for automotive brake lights. In the area of information displays, cathode ray tube phosphors have proved themselves to be outstandingly efficient light emitters with excellent colour capability. The current push for flat panel displays is quite intense, and much confusion exists as to where development and commercialization will occur most rapidly, but with the need for colour, it is now apparent that solid state luminescence will play a primary role, as gas phase plasma displays do not conveniently permit colour at the high resolution needed today. The long term challenge to develop electroluminescent displays continues, and high performance fluorescent lamps currently illuminate liquid crystal monochrome and colour displays. The development of tri component rare earth phosphors is of particular importance.
Author: Baldassare di Bartolo
Author: Baldassare di Bartolo
Author: Baldassare Di Bartolo
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Author: Baldassare di Bartolo![Proceedings of the International Conference on Advanced Materials Processing Technologies [AMPT'01] PDF](https://books.google.com/books/content/images/frontcover/ksbzAAAAMAAJ?fife=w80-h100)
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Author: Baldassare Di Bartolo
Author: Boris Ildusovich Kharisov
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Author: United States. Army Research Office
Author: A.H. Kitai