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Author : Olof Holtz
Publisher :
ISBN 13 : 9783642186585
Total Pages : 148 pages
Book Rating : 4.1/5 (865 download)
Download or read book Impurities Confined in Quantum Structures written by Olof Holtz and published by . This book was released on 2011-04-13 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Olof Holtz
Publisher : Springer Science & Business Media
ISBN 13 : 3642186572
Total Pages : 139 pages
Book Rating : 4.6/5 (421 download)
Download or read book Impurities Confined in Quantum Structures written by Olof Holtz and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dramatic impact of low dimensional semiconductor structures on c- rent and future device applications cannot be overstated. Research over the last decade has highlighted the use of quantum engineering to achieve p- viously unknown limits for device performance in research laboratories. The modi?ed electronic structure of semiconductor quantum structures results in transport and optical properties, which di?er from those of constituent bulk materials. The possibility to tailor properties, such as bandgap, strain, band o?set etc. , of two-dimensional (2D) semiconductors, e. g. quantum wells, for speci?c purposes has had an extensive impact on the electronics, which has resulted in a dramatic renewal process. For instance, 2D structures are today used in a large number of high speed electronics and optoelectronic appli- tions (e. g. detectors, light emitting diodes, modulators, switches and lasers) and in daily life, in e. g. LED-based tra?c lights, CD-players, cash registers. The introduction of impurities, also in very small concentrations, in a semiconductor can change its optical and electrical properties entirely. This attribute of the semiconductor is utilized in the manifoldness of their app- cations. This fact constitutes the principal driving force for investigation of the properties of the impurities in semiconductors. While the impurities in bulk materials have been investigated for a long time, and their properties are fairly well established by now, the corresponding studies of impurities in quantum wells is a more recent research area.
Author : Vesna Berec
Publisher :
ISBN 13 : 9781781546642
Total Pages : 250 pages
Book Rating : 4.5/5 (466 download)
Download or read book Impurities Confined in Quantum Structures written by Vesna Berec and published by . This book was released on 2016 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lorenzo Pavesi
Publisher : John Wiley & Sons
ISBN 13 : 9783527629961
Total Pages : 648 pages
Book Rating : 4.6/5 (299 download)
Download or read book Silicon Nanocrystals written by Lorenzo Pavesi and published by John Wiley & Sons. This book was released on 2010-02-02 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique collection of knowledge represents a comprehensive treatment of the fundamental and practical consequences of size reduction in silicon crystals. This clearly structured reference introduces readers to the optical, electrical and thermal properties of silicon nanocrystals that arise from their greatly reduced dimensions. It covers their synthesis and characterization from both chemical and physical viewpoints, including ion implantation, colloidal synthesis and vapor deposition methods. A major part of the text is devoted to applications in microelectronics as well as photonics and nanobiotechnology, making this of great interest to the high-tech industry.
Author : K.D. Sen
Publisher : Springer
ISBN 13 : 3319099825
Total Pages : 253 pages
Book Rating : 4.3/5 (19 download)
Download or read book Electronic Structure of Quantum Confined Atoms and Molecules written by K.D. Sen and published by Springer. This book was released on 2014-09-19 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume is a collection of review articles highlighting the fundamental advances made in this area by the internationally acclaimed research groups , most of them being pioneers themselves and coming together for the first time.
Author : C.Y. Fong
Publisher : Springer Science & Business Media
ISBN 13 : 1468455532
Total Pages : 350 pages
Book Rating : 4.4/5 (684 download)
Download or read book Properties of Impurity States in Superlattice Semiconductors written by C.Y. Fong and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NATO workshop on "The Properties of Impurity States in Semiconductor Superlattices" was held at the University of Essex, Colchester, United Kingdom, from September 7 to 11, 1987. Doped semiconductor superlattices not only provide a unique opportunity for studying low dimensional electronic behavior, they can also be custom-designed to exhibit many other fascinating el~ctronic properties. The possibility of using these materials for new and novel devices has further induced many astonishing advances, especially in recent years. The purpose of this workshop was to review both advances in the state of the art and recent results in various areas of semiconductor superlattice research, including: (i) growth and characterization techniques, (ii) deep and shallow im purity states, (iii) quantum well states, and (iv) two-dimensional conduction and other novel electronic properties. This volume consists of all the papers presented at the workshop. Chapters 1-6 are concerned with growth and characterization techniques for superlattice semiconductors. The question of a-layer is also discussed in this section. Chapters 7-15 contain a discussion of various aspects of the impurity states. Chapters 16- 22 are devoted to quantum well states. Finally, two-dimensional conduction and other electronic properties are described in chapters 23-26.
Author : Peter A. Ling
Publisher : Nova Publishers
ISBN 13 : 9781594542237
Total Pages : 170 pages
Book Rating : 4.5/5 (422 download)
Download or read book Quantum Dots written by Peter A. Ling and published by Nova Publishers. This book was released on 2005 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since first developed in the early sixties, silicon chip technology has made vast leaps forward. From a rudimentary circuit with a mere handful of transistors, the chip has evolved into a technological wonder, packing millions of bits of information on a surface no larger that a human thumbnail. And most experts predict that in the near future, we will see chips with over a billion bits. Quantum dots are small devices that contain a tiny droplet of free electrons. They are fabricated in semiconductor materials and have typical dimensions ranging from nanometres to a few microns. The size and shape of these structures and therefore the number of electrons they contain can be precisely controlled; a quantum dot can have anything from a single electron to a collection of several thousands. The physics of quantum dots shows many parallels with the behaviour of naturally occurring quantum systems in atomic and nuclear physics. As in an atom, the energy levels in a quantum dot become quantised due to the confinement of electrons. Unlike atoms however, quantum dots can be easily connected to electrodes and are therefore excellent tools for studying atomic-like properties. This new book brings together leading research from throughout the world in this field of the future which has become the field of today.
Author : Antoni Planes
Publisher : Springer Science & Business Media
ISBN 13 : 3540316310
Total Pages : 261 pages
Book Rating : 4.5/5 (43 download)
Download or read book Magnetism and Structure in Functional Materials written by Antoni Planes and published by Springer Science & Business Media. This book was released on 2010-02-11 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetism and Structure in Functional Materials addresses three distinct but related topics: (i) magnetoelastic materials such as magnetic martensites and magnetic shape memory alloys, (ii) the magnetocaloric effect related to magnetostructural transitions, and (iii) colossal magnetoresistance (CMR) and related manganites. The goal is to identify common underlying principles in these classes of materials that are relevant for optimizing various functionalities. The emergence of apparently different magnetic/structural phenomena in disparate classes of materials clearly points to a need for common concepts in order to achieve a broader understanding of the interplay between magnetism and structure in this general class of new functional materials exhibiting ever more complex microstructure and function. The topic is interdisciplinary in nature and the contributors correspondingly include physicists, materials scientists and engineers. Likewise the book will appeal to scientists from all these areas.
Author : Sophie Duquesne
Publisher : Springer Science & Business Media
ISBN 13 : 3540719202
Total Pages : 292 pages
Book Rating : 4.5/5 (47 download)
Download or read book Multifunctional Barriers for Flexible Structure written by Sophie Duquesne and published by Springer Science & Business Media. This book was released on 2007-08-29 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first complete overview of the present state of the art of flexible barrier materials such as textile, paper and leather, including methods for barrier evaluation. It will be of interest to readers in industries, consumers, and members of the scientific community. The scope of the field is clearly delineated here for the first time, and it deals with a number of specific topics such as barrier to fire and antibacterial properties.
Author :
Publisher : Elsevier
ISBN 13 : 0444600434
Total Pages : 849 pages
Book Rating : 4.4/5 (446 download)
Download or read book Landau Level Spectroscopy written by and published by Elsevier. This book was released on 2012-12-02 with total page 849 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Problems in Condensed Matter Sciences, Volume 27.2: Landau Level Spectroscopy focuses on the processes, reactions, methodologies, and approaches involved in condensed matter sciences, including magnetospectroscopy, resonances, electrodynamics, and magnetic fields. The selection first offers information on the magnetospectroscopy of confined semiconductor systems and the magnetophonon effect in two dimensions. Discussions focus on hot-electron magnetophonon resonance, normal resonances, free carrier states, confined impurities, and electron-phonon interaction. The text then takes a look at the energy spectrum and magnetooptics of band-inverting heterojunctions and the electrodynamics of two-dimensional electron systems in high magnetic fields. The publication examines Landau emission and the Shubnikov-de Haas (SdH) effect. Topics include smooth magnetoresistance and SdH effect, Landau level electronic lifetimes, experimental techniques, and Landau emission in III-IV semiconductors. The book then elaborates on a comprehensive review of the experimental aspects of the SdH effect; magnetoimpurity resonances in semiconductor transport; and magnetophonon resonance. The selection is a highly recommended reference for scientists and readers interested in the Landau level spectroscopy.
Author : C A J Ammerlaan
Publisher : World Scientific
ISBN 13 : 9814546674
Total Pages : 554 pages
Book Rating : 4.8/5 (145 download)
Download or read book Shallow-level Centers In Semiconductors - Proceedings Of The 7th International Conference written by C A J Ammerlaan and published by World Scientific. This book was released on 1997-04-19 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the specific physical and chemical properties of centers in semiconductors with shallow energy levels and electronic distributions of an extended size. Reports are included on the most advanced experimental and theoretical methods for identifying and further characterizing these materials. Attention is given to such topics as shallow-level centers in host semiconductors of lower dimensionality, centers in wide-bandgap semiconductors, shallow excited states of centers with deep ground states, passivation of centers, and other aspects of impurity control during crystal growth and processing with its relevance to applications.
Author : Hirohiko Adachi
Publisher : Springer Science & Business Media
ISBN 13 : 3540312978
Total Pages : 251 pages
Book Rating : 4.5/5 (43 download)
Download or read book Hartree-Fock-Slater Method for Materials Science written by Hirohiko Adachi and published by Springer Science & Business Media. This book was released on 2006-03-08 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular-orbital calculations for materials design such as alloys, ceramics, and coordination compounds are now possible for experimentalists. Molecuar-orbital calculations for the interpretation of chemical effect of spectra are also possible for experimentalists. The most suitable molecular-orbital calculation method for these purpose is the DV-Xa method, which is robust in such a way that the calculation converges to a result even if the structure of the molecule or solid is impossible in the pressure and temperature ranges on earth. This book specially addresses the methods to design novel materials and to predict the spectralline shape of unknown materials using the DV-Xa molecular-orbital method, but is also useful for those who want to calculate electronic structures of materials using any kind of method.
Author : Alexandre S. Alexandrov
Publisher : Springer Science & Business Media
ISBN 13 : 1402063482
Total Pages : 672 pages
Book Rating : 4.4/5 (2 download)
Download or read book Polarons in Advanced Materials written by Alexandre S. Alexandrov and published by Springer Science & Business Media. This book was released on 2008-01-11 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book first introduces a single polaron and describes recent achievements in analytical and numerical studies of polaron properties in different e-ph models. It then describes multi-polaron physics as well as many key physical properties of high-temperature superconductors, colossal magnetoresistance oxides, conducting polymers and molecular nanowires, which were understood with polarons and bipolarons.
Author : King-Ning Tu
Publisher : Springer Science & Business Media
ISBN 13 : 0387388923
Total Pages : 370 pages
Book Rating : 4.3/5 (873 download)
Download or read book Solder Joint Technology written by King-Ning Tu and published by Springer Science & Business Media. This book was released on 2007-07-27 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Union’s directive banning the use of lead-based (Pb) solders in electronic consumer products has created an urgent need for research on solder joint behavior under various driving forces in electronic manufacturing, and for development of lead-free solders. This book provides a comprehensive examination of advanced materials reliability issues related to copper-tin reaction and electromigration in solder joints, and presents methods for preventing common reliablity problems.
Author : C.N.R. Rao
Publisher : Springer Science & Business Media
ISBN 13 : 3540687521
Total Pages : 187 pages
Book Rating : 4.5/5 (46 download)
Download or read book Nanocrystals: written by C.N.R. Rao and published by Springer Science & Business Media. This book was released on 2007-04-03 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the most comprehensive book on nanocrystals on the market. It is an up-to-date monograph on an important aspect of nanoscience and technology. It opens with an elegant introduction including a brief historical account. Emphasis is then given to diverse synthetic methods, both chemical and physical, in addition to modern hybrid methods. Tables providing information at a glance, cartoons and schematic diagrams, make the monograph appealing to read.
Author : Leonid A. Kosyachenko
Publisher : BoD – Books on Demand
ISBN 13 : 9533077476
Total Pages : 377 pages
Book Rating : 4.5/5 (33 download)
Download or read book Solar Cells written by Leonid A. Kosyachenko and published by BoD – Books on Demand. This book was released on 2011-11-02 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third book of four-volume edition of 'Solar Cells' is devoted to solar cells based on silicon wafers, i.e., the main material used in today's photovoltaics. The volume includes the chapters that present new results of research aimed to improve efficiency, to reduce consumption of materials and to lower cost of wafer-based silicon solar cells as well as new methods of research and testing of the devices. Light trapping design in c-Si and mc-Si solar cells, solar-energy conversion as a function of the geometric-concentration factor, design criteria for spacecraft solar arrays are considered in several chapters. A system for the micrometric characterization of solar cells, for identifying the electrical parameters of PV solar generators, a new model for extracting the physical parameters of solar cells, LBIC method for characterization of solar cells, non-idealities in the I-V characteristic of the PV generators are discussed in other chapters of the volume.
Author : Guokui Liu
Publisher : Springer Science & Business Media
ISBN 13 : 3540282092
Total Pages : 567 pages
Book Rating : 4.5/5 (42 download)
Download or read book Spectroscopic Properties of Rare Earths in Optical Materials written by Guokui Liu and published by Springer Science & Business Media. This book was released on 2006-01-29 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aimed at researchers and graduate students, this book provides up-to-date information about the electronic interactions that impact the optical properties of rare earth ions in solids. Its goal is to establish a connection between fundamental principles and the materials properties of rare-earth activated luminescent and laser optical materials. The theoretical survey and introduction to spectroscopic properties covers electronic energy level structure, intensities of optical transitions, ion-phonon interactions, line broadening, and energy transfer and up-conversion. An important aspect of the book lies in its deep and detailed discussions of materials properties and the potential of new applications such as optical storage, information processing, nanophotonics, and molecular probes that have been identified in recent experimental studies. This volume will be a valuable reference book on advanced topics of rare earth spectroscopy and materials science.
