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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > General
Porous Semiconductors: Optical Properties and Applications provides an examination of porous semiconductor materials. Beginning with a description of the basic electrochemistry of porous semiconductors and the different kinds of porous semiconductor materials that can be fabricated, the book moves on to describe the fabrication processes used in the production of porous semiconductor optical components. Concluding the text, a number of optical components based on porous semiconductor materials are discussed in depth. Porous Semiconductors: Optical Properties and Applications provides a thorough grounding in the design, fabrication and theory behind the optical applications of porous semiconductor materials for graduate and undergraduate students interested in optics, photonics, MEMS, and material science. The book is also a valuable reference for scientists, researchers, and engineers in the field of optics and materials science.
This book focuses on the development of liquid crystal displays (LCDs) and liquid crystal materials (LCs) in Japan. The Committee of Organic Materials Research for Information Sciences of the Japan Society for the Promotion of Science (JSPS) planned the book to document essential LCD innovations and developments since the beginnings of the field-effect LCD technology in 1970. The book illustrates the remarkable effort and progress behind those flat, lightweight, and high-information-content LCDs that have become the indispensable human-machine interface for virtually all electronic devices. In contrast to other publications on this topic, the book illustrates the interdisciplinary character of the LCD technology and its crucial importance for technological progress of the field far beyond displays. It also gives insights into breakthrough innovations not revealed in other publications. Moreover, prospects for the development of LC research toward new fields of applications are provided. In line with its interdisciplinary character, the book targets researchers in basic science as well as engineers and researchers in industry.
This book addresses the piezoresistance in p-type 3C-SiC, which it investigates using experimental characterization and theoretical analysis. The gauge factor, the piezoresistive coefficients in two-terminal and four-terminal resistors, the comparison between single crystalline and nanocrystalline SiC, along with the temperature dependence of the piezoresistive effect in p-type 3C-SiC are also discussed. Silicon carbide (SiC) is an excellent material for electronic devices operating at high temperatures, thanks to its large energy band gap, superior mechanical properties and extreme chemical inertness. Among the numerous polytypes of SiC, the cubic single crystal, which is also well known as 3C-SiC, is the most promising platform for microelectromechanical (MEMS) applications, as it can be epitaxially grown on an Si substrate with diameters of up to several hundred millimeters. This feature makes 3C-SiC compatible with the conventional Si-based micro/nano processing and also cuts down the cost of SiC wafers. The investigation into the piezoresistive effect in 3C-SiC is of significant interest for the development of mechanical transducers such as pressure sensors and strain sensors used for controlling combustion and deep well drilling. Although a number of studies have focused on the piezoresistive effect in n-type 3C-SiC, 4H-SiC and 6H-SiC, comparatively little attention has been paid to piezoresistance in p-type 3C-SiC. In addition, the book investigates the piezoresistive effect of top-down fabricated SiC nanowires, revealing a high degree of sensitivity in nanowires employing an innovative nano strain-amplifier. The large gauge factors of the p-type 3C-SiC at both room temperature and high temperatures found here indicate that this polytype could be suitable for the development of mechanical sensing devices operating in harsh environments with high temperatures.
Success in the development of recent advanced semiconductor device technologies is due to the success of SRAM memory cells. This book addresses various issues for designing SRAM memory cells for advanced CMOS technology. To study LSI design, SRAM cell design is the best materials subject because issues about variability, leakage and reliability have to be taken into account for the design.
Written by leading international experts, this book summarizes the advances in sample preparation, design and construction of dangling bond atomic scale wires and logic gate circuits at the surface of a passivated semi-conductor. Individual chapters cover different aspects of the sample fabrication from research and development point of view, present design and construction as well as microscopic and spectroscopic characteristics of single dangling atomic wires and logic gates, and discuss the tools for design of large atomic scale circuit on a surface.This edited volume includes selected contributions from the "International Workshop on Atomic Wires" held in Krakow in September 2014 completed and updated with most current results up to mid-2016, and offers for the first time an overview of up-to-date knowledge in the burgeoning field of atomic scale circuits. The book will appeal to researchers and scholars interested in nanoscience and its various sub-fields including, in particular, molecular electronics, atomic scale electronics and nanoelectronics.
The fact that there are more embedded computers than
general-purpose computers and that we are impacted by hundreds of
them every day is no longer news. What is news is that their
increasing performance requirements, complexity and capabilities
demand a new approach to their design.
This text on the electrical, optical, magnetic, and thermal properties of materials stresses concepts rather than mathematical formalism. Suitable for advanced undergraduates, it is intended for materials and electrical engineers who want to gain a fundamental understanding of alloys, semiconductor devices, lasers, magnetic materials, and so forth. The book is organized to be used in a one-semester course; to that end each section of applications, after the introduction to the fundamentals of electron theory, can be read independently of the others. Many examples from engineering practice serve to provide an understanding of common devices and methods. Among the modern applications covered are: high-temperature superconductors, optoelectronic materials, semiconductor device fabrication, xerography, magneto-optic memories, and amorphous ferromagnetics. The fourth edition has been revised and updated with an emphasis on the applications sections, which now cover devices of the next generation of electronics.
This volume provides expert coverage of the state-of-the-art in sol-gel materials for functional applications in energy, environment and electronics. The use of sol-gel technology has become a hotbed for cutting edge developments in many fields due to the accessibility of advanced materials through low energy processes. The book offers a broad view of this growing research area from basic science through high-level applications with the potential for commercialization and industrial use. Taking an integrated approach, expert chapters present a wide range of topics, from photocatalysts, solar cells and optics, to thin films and materials for energy storage and conversion, demonstrating the combined use of chemistry, physics, materials science and engineering in the search for solutions to some of the most challenging problems of our time.
This book covers the basics, realization and materials for high power laser systems and high power radiation interaction with matter. The physical and technical fundamentals of high intensity laser optics and adaptive optics and the related physical processes in high intensity laser systems are explained. A main question discussed is: What is power optics? In what way is it different from ordinary optics widely used in cameras, motion-picture projectors, i.e., for everyday use? An undesirable consequence of the thermal deformation of optical elements and surfaces was discovered during studies of the interaction with powerful incident laser radiation. The requirements to the fabrication, performance and quality of optical elements employed within systems for most practical applications are also covered. The high-power laser performance is generally governed by the following: (i) the absorption of incident optical radiation (governed primarily by various absorption mechanisms), (ii) followed by a temperature increase and response governed primarily by thermal properties and (iii) the thermo-optical and thermo-mechanical response of distortion, stress, fracture, etc. All this needs to be understood to design efficient, compact, reliable and useful high power systems for many applications under a variety of operating conditions, pulsed, continuous wave and burst mode of varying duty cycles. The book gives an overview of an important spectrum of related topics like laser resonator configurations, intermetallic optical coatings, heat carriers for high power optics, cellular materials, high-repetition-rate lasers and mono-module disk lasers for high power optics.
For the technological progress in communication technology it is necessary that the advanced studies in circuit and software design are accompanied with recent results of the technological research and physics in order to exceed its limitations. This book is a guide which treats many components used in mobile communications, and in particular focuses on non-volatile memories. It emerges following the conducting line of the non-volatile memory in the wireless system: On the one hand it develops the foundations of the interdisciplinary issues needed for design analysis and testing of the system. On the other hand it deals with many of the problems appearing when the systems are realized in industrial production. These cover the difficulties from the mobile system to the different types of non-volatile memories. The book explores memory cards, multichip technologies, and algorithms of the software management as well as error handling. It also presents techniques of assurance for the single components and a guide through the Datasheet lectures.
Unlike most natural colours that are based on pigment absorption, the striking iridescent and intense colouration of many butterflies, birds or beetles stems from the interaction of light with periodic sub-micrometer surface or volume patterns, so called "photonic structures". These "structural colours" are increasingly well understood, but they are difficult to create artificially and exploit technologically. In this thesis the field of natural structural colours and biomimetic photonic structures is covered in a wide scope, ranging from plant photonics to theoretical optics. It demonstrates diffractive elements on the petal surfaces of many flowering plant species; these form the basis for the study of the role of structural colours in pollinator attraction. Self-assembly techniques, combined with scale able nanofabrication methods, were used to create complex artificial photonic structures inspired by those found in nature. In particular, the colour effect of a Papilio butterfly was mimicked and, by variation of its design motive, enhanced. All photonic effects described here are underpinned by state-of-the-art model calculations.
ZnO has been the central theme of research in the past decade due to its various applications in band gap engineering, and textile and biomedical industries. In nanostructured form, it offers ample opportunities to realize tunable optical and optoelectronic properties and it was also termed as a potential material to realize room temperature ferromagnetism. This book presents 17 high-quality contributory chapters on ZnO related systems written by experts in this field. These chapters will help researchers to understand and explore the varied physical properties to envisage device applications of ZnO in thin film, heterostructure and nanostructure forms.
Evolvable hardware (EHW) is based on the idea of combining a reconfigurable hardware device with genetic algorithms to execute reconfiguration autonomously. FPGA (Field Programmable Gate Array) and PLD (Programmable Logic Devices) are typical examples of reconfigurable hardware devices, for which there is already a market worth more than USD2 Billion US dollars and growing at 23 per cent per year. An example of EHW is NASA's Space Technology 5 nanosatellites, which are scheduled to start measuring Earth's magnetosphere in late 2004. They were designed by NASA engineers using genetic algorithms and 32 Linux PCs. The computers generated small antenna-constructing programs (the genotypes) and executed them to produce designs (the phenotypes). If deployed it will be the first piece of evolved hardware ever to be launched into space.
This book provides an overview of recent developments in experiments probing the fractional quantum Hall (FQH) states of the second Landau level, especially the \nu=5/2 state. It summarizes the state-of-the-art understanding of these FQH states. It furthermore describes how the properties of the FQH states can be probed experimentally, by investigating tunneling and confinement properties. The progress towards the realization of an experiment, allowing to probe the potentially non-Abelian statistics of the quasiparticle excitations at \nu=5/2 is discussed. The book is intended as a reference for graduate students, PostDocs and researchers starting in the field. The experimental part of this book gives practical advice for solving the experimental challenges which researchers studying highly fragile FQH states are faced with.
This book explores the aggregation-induced emission (AIE) effect, which has opened new avenues for the development of advanced luminogenic materials in the aggregate or solid state. By enabling light emission in the practically useful solid state, AIE has the potential to significantly expand the technological applications of luminescent materials. This book addresses principles, methods, and applications of AIEs, offering a new platform for the investigation of light-emitting processes from luminogen aggregates. Applications of AIE include biomedical diagnostics, sensor materials, and optoelectronic devices, among others, and are described in detail within the book. The development of a new generation of AIEgens, a deep understanding of the AIE mechanism(s), and the exploration of advanced technological applications will enable this exciting field to develop further. Headed by the pioneering researcher who started the field, Professor Ben Zhong Tang, this book combines both principles and applications and brings together global researchers in the field to report the progress, current challenges, and potential breakthroughs that may be accomplished in the near future. Provides an authoritative account of the fundamentals, properties, and potential of AIE by the pioneer of this active, highly-researched field; Highlights technological applications of AIE spanning biomedicine, sensor materials, and optoelectronics, among others; Presents a comprehensive view on challenges in the further development of AIE and derived technologies.
Integrated Optics explains the subject of optoelectronic devices and their use in integrated optics and fiber optic systems. The approach taken is to emphasize the physics of how devices work and how they can be (and have been) used in various applications as the field of optoelectronics has progressed from microphotonics to nanophotonics. Illustrations and references from technical journals have been used to demonstrate the relevance of the theory to currently important topics in industry. By reading this book, scientists, engineers, students and engineering managers can obtain an overall view of the theory and the most recent technology in Integrated Optics.
This book presents highlighted results coming up from NanoCarbon2011, a Brazilian Carbon event. The topics cover the latest advances in Brazilian basic and applied research related to different carbon materials. The chapters address reviews on their fundamental and outstanding properties and describe various classes of new promising high-tech applications for carbon materials.
This book brings together the recent cutting-edge work on computational methods in photonics and their applications. The latest advances in techniques such as the Discontinuous Galerkin Time Domain method, Finite Element Time Domain method, Finite Difference Time Domain method as well as their applications are presented. Key aspects such as modelling of non-linear effects (Second Harmonic Generation, lasing in fibers, including gain nonlinearity in metamaterials), the acousto-optic effect, and the hydrodynamic model to explain electron response in nanoplasmonic structures are included. The application areas covered include plasmonics, metamaterials, photonic crystals, dielectric waveguides, fiber lasers. The chapters give a representative survey of the corresponding area.
"Phase Change Materials: Science and Applications" provides a unique introduction of this rapidly developing field. Clearly written and well-structured, this volume describes the material science of these fascinating materials from a theoretical and experimental perspective. Readers will find an in-depth description of their existing and potential applications in optical and solid state storage devices as well as reconfigurable logic applications. Researchers, graduate students and scientists with an interest in this field will find "Phase Change Materials" to be a valuable reference.
This book covers the state-of-the-art research in nanoporous metals for potential applications in advanced energy fields, including proton exchange membrane fuel cells, Li batteries (Li ion, Li-S, and Li-O2), and supercapacitors. The related structural design and performance of nanoporous metals as well as possible mechanisms and challenges are fully addressed. The formation mechanisms of nanoporous metals during dealloying, the microstructures of nanoporous metals and characterization methods, as well as miscrostructural regulation of nanoporous metals through alloy design of precursors and surface diffusion control are also covered in detail. This is an ideal book for researchers, engineers, graduate students, and government/industry officers who are in charge of R&D investments and strategy related to energy technologies.
1 Structures of and Bonding in Electronic Materials.- 1. Introduction.- 2. The Structure of the Group IV Elements and of III-V and II-VI Semiconductors.- 3. Bonding in and Relationships Between Zinc Blende and Wurtzite-Type Compounds.- 4. Other Structure Types.- References.- 2 Electron Energy Bands.- 1. Introduction.- 2. Models.- 2.1. The Nearly Free Electron Model.- 2.2. The Tight-Binding Model.- 2.3. The Relationship Between the Results of the Two Models.- 2.4. The Relationship Between Maximum Energy and k.- 2.5. Three-Dimensional Effects.- 2.6. Real Materials.- 3. Effective Mass.- 4. Positive Holes.- 5. Methods of Computing Band Structure.- 6. Conductance, the Octet Rule, and Bands.- 7. Postscript: The Kronig-Penney Model.- References.- 3 Electrical Properties of Semiconductors.- 1. Introduction.- 2. Intrinsic Semiconductors.- 3. Extrinsic Semiconductors.- 4. Scattering and Mobility of Charge Carriers.- 5. High-Field Effects.- 4 Optical Properties.- 1. Introduction.- 2. The Classical Approach.- 2.1. Relation to Conductivity.- 2.2. Optical Constants and Relative Permittivity.- 2.3. Resonance.- 3. Absorption Mechanisms.- 3.1. Fundamental Absorption.- 3.2. Other Mechanisms.- 4. Photoconductivity.- 5. Emission.- 5.1. Spontaneous Emission.- 5.2. Stimulated Emission.- 5.3. Nonradiative Recombination.- 6. Anisotropic Materials.- 7. Polarized Light.- 8. Thin-Film Systems.- 5 Interfaces and Low-Dimensional Structures.- 1. Introduction.- 2. Band Structure at a Heterojunction Interface.- 3. Low-Dimensional Effects.- 4. New Effects in Low-Dimensional Structures.- 5. Materials Growth.- 6. Other Low-Dimensional Structures.- 7. Applications.- 8. Conclusions.- References.- 6 Key Electrical Devices.- 1. Introduction.- 2. Basic Semiconductor Diodes.- 2.1. The p-n Junction Diode.- 2.2. The Metal-Semiconductor or Schottky Diode.- 2.3. Ohmic Contacts.- 3. Bipolar Junction Transisistors.- 4. Field Effect Transistors.- 4.1. MOSFETs.- 4.2. JFETs and MESFETs.- 5. Materials for Electronic Devices: The Significance of Silicon.- 6. Gallium-Arsenide-Based Transistors.- 6.1. The GaAs MESFET.- 6.2. Heterojunction-Based Devices.- 7. Other Materials.- 8. Conclusions and Future Prospects.- References.- 7 Key Optoelectronic Devices.- 1. Introduction.- 2. Materials Technologies.- 2.1. Important Optoelectronic Materials.- 2.2. Epitaxy.- 3. Light-Emitting Devices.- 3.1. Basic Principles.- 3.2. Light-Emitting Diodes (LEDs).- 3.3. Semiconductor Lasers.- 4. Optical Detectors.- 5. Waveguide Components.- 6. Optoelectronic Integrated Circuits.- 7. Conclusions.- 8 Thermodynamics and Defect Chemistry of Compound Semiconductors.- 1. Introduction.- 2. Elements of Multicomponent Phase Equilibria.- 2.1. Gibbs's Phase Rule.- 2.2. Pressure-Temperature Equilibrium.- 2.3. Solid-Liquid Equilibria in Multicomponent Systems.- 2.4. Representation of the Activity Coefficients.- 3. Solid-Liquid Phase Equilibria in Ternary III-V Compounds...- 4. Solid-Gas Phase Equilibria in Multicomponent III-V compounds.- 5. Native Point Defects in Compound Semiconductors.- 6. The Incorporation of Solute (Dopant) Atoms.- 7. Summary and Conclusions.- References.- 9 Single Crystal Growth I: Melt Growth.- 1. Introduction: General Principles.- 2. Role of Melt Growth.- 3. Constraints to Melt Growth.- 3.1. Chemical Reactivity.- 3.2. Vapor Pressure.- 3.3. Mechanical.- 3.4. Fundamental.- 4. Techniques of Melt Growth.- 4.1. Vertical Pulling or Czochralski Growth.- 4.2. Float Zone.- 4.3. Horizontal Bridgman.- 4.4 Liquid Encapsulation.- 5. Fundamentals.- References.- 10 Single Crystal Growth II: Epitaxial Growth.- 1. Introduction: General Principles.- 2. Role of Epitaxy.- 3. Constraints to Epitaxial Growth.- 3.1. Liquid Phase Epitaxy (LPE).- 3.2. Vapor Phase Epitaxy (VPE).- 4. Techniques of Epitaxial Growth.- 4.1. Liquid Phase Epitaxy.- 4.2. Vapor Phase Epitaxy: Conventional Inorganic Epitaxy.- 4.3. Molecular Beam Epitaxy (MBE): Metalorganic Molecular Beam Epitaxy (MOMBE).- 4.4. Metalorganic Vapor Phase Ep...
Organic and printed electronics can enable a revolution in the applications of electronics and this book offers readers an overview of the state-of-the-art in this rapidly evolving domain. The potentially low cost, compatibility with flexible substrates and the wealth of devices that characterize organic and printed electronics will make possible applications that go far beyond the well-known displays made with large-area silicon electronics. Since organic electronics are still in their early stage, undergoing transition from lab-scale and prototype activities to production, this book serves as a valuable snapshot of the current landscape of the different devices enabled by this technology, reviewing all applications that are developing and those can be foreseen. "
From the reviews: " ...] a welcome addition to the literature. ...] This book promises to make a valuable contribution to the education of graduate students in electrical and computer engineering, and a very useful addition to the library of the maturer investigator in SoC designs or related fields." Microelectronics Reliability |
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