long wave polar modes in semiconductor heterostructures

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Long Wave Polar Modes In Semiconductor Heterostructures

Author : C. Trallero-Giner
ISBN : 0080535607
Genre : Technology & Engineering
File Size : 53. 79 MB
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Long Wave Polar Modes in Semiconductor Heterostructures is concerned with the study of polar optical modes in semiconductor heterostructures from a phenomenological approach and aims to simplify the model of lattice dynamics calculations. The book provides useful tools for performing calculations relevant to anyone who might be interested in practical applications. The main focus of Long Wave Polar Modes in Semiconductor Heterostructures is planar heterostructures (quantum wells or barriers, superlattices, double barrier structures etc) but there is also discussion on the growing field of quantum wires and dots. Also to allow anyone reading the book to apply the techniques discussed for planar heterostructures, the scope has been widened to include cylindrical and spherical geometries. The book is intended as an introductory text which guides the reader through basic questions and expands to cover state-of-the-art professional topics. The book is relevant to experimentalists wanting an instructive presentation of a simple phenomenological model and theoretical tools to work with and also to young theoreticians by providing discussion of basic issues and the basis of advanced theoretical formulations. The book also provides a brief respite on the physics of piezoelectric waves as a coupling to polar optical modes.

Advanced Luminescent Materials And Quantum Confinement

Author : M. Cahay
ISBN : 1566772451
Genre : Technology & Engineering
File Size : 52. 52 MB
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Phonons In Semiconductor Nanostructures

Author : J.P. Leburton
ISBN : 9789401116831
Genre : Science
File Size : 61. 40 MB
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In the last ten years, the physics and technology of low dimensional structures has experienced a tremendous development. Quantum structures with vertical and lateral confinements are now routinely fabricated with feature sizes below 100 run. While quantization of the electron states in mesoscopic systems has been the subject of intense investigation, the effect of confinement on lattice vibrations and its influence on the electron-phonon interaction and energy dissipation in nanostructures received atten tion only recently. This NATO Advanced Research Workshop on Phonons in Sem iconductor Nanostructures was a forum for discussion on the latest developments in the physics of phonons and their impact on the electronic properties of low-dimensional structures. Our goal was to bring together specialists in lattice dynamics and nanos tructure physics to assess the increasing importance of phonon effects on the physical properties of one-(lD) and zero-dimensional (OD) structures. The Workshop addressed various issues related to phonon physics in III-V, II-VI and IV semiconductor nanostructures. The following topics were successively covered: Models for confined phonons in semiconductor nanostructures, latest experimental observations of confined phonons and electron-phonon interaction in two-dimensional systems, elementary excitations in nanostructures, phonons and optical processes in reduced dimensionality systems, phonon limited transport phenomena, hot electron effects in quasi - ID structures, carrier relaxation and phonon bottleneck in quantum dots.

Hot Electrons In Semiconductors

Author : N. Balkan
ISBN : 0198500580
Genre : Science
File Size : 44. 95 MB
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Since the arrival of the transistor in 1947, research in hot electrons, like any field in semiconductor research, has grown at a stunning rate. From a physicist's point of view the understanding of hot electrons and their interactions with the lattice has always been a challenging problem of condensed matter physics. Recently, with the advent of novel fabrication techniques such as electron beam or plasma etching and the advanced growth techniques such as the molecular beam epitaxy (MBE)and metallo-organic chemical vapour deposition (MOCVD), it has become possible to fabricate semiconductor devices with sub-micron dimensions where the electrons are confined to two (quantum well), one (quantum wire) or zero (quantum dot) dimensions. In devices of such dimensions a few volts applied to the device result in the setting up of very high electric fields, hence a substantial heating of electrons. Thus electronic transport in the device becomes non- linear and can no longer be described using the simple equations of Ohm's law. The understanding of the operations of such devices, and the realisations of more advanced ones make it necessary to understand the dynamics of hot electrons. There is an obvious lack of good reference books on hot electrons in semiconductors. The few that exist either cover a very narrow field or are becoming quite outdated. This book is therefore written with the aim of filling the vacuum in an area where there is much demand for a comprehensive reference book. The book is intended for both established researchers and graduate students, and gives a complete account of the historical development of the subject, together with current research interests and future trends. The contributions are written by leading scientists in the field. They cover the physics of hot electrons in bulk and low dimensional device technology. The material is organised into subject area that can be classified broadly into five groups: (1)introduction and overview, (2)hot electron phonon interactions and the ultra-fast phenomena in bulk and two dimensional structures, (3)hot electrons in both long and short quantum wires and quantum dots, (4) hot electron tunnelling and hot electron transport in superlattices, and (5) novel devices based on hot electron transport. The chapters are grouped according to subject matter as far as possible. However, although there is much overlap of ideas and concepts, each chapter is essentially independent of the others.

Problems Of Condensed Matter Physics

Author : Stoyan J. Vlaev
ISBN : UVA:X004523473
Genre : Science
File Size : 51. 8 MB
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Some Contemporary Problems of Condensed Matter Physics

American Book Publishing Record

Author :
ISBN : UOM:39015079622612
Genre : American literature
File Size : 84. 18 MB
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Handbook Of Thin Films Five Volume Set

Author : Hari Singh Nalwa
ISBN : 9780080533247
Genre : Technology & Engineering
File Size : 36. 53 MB
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This five-volume handbook focuses on processing techniques, characterization methods, and physical properties of thin films (thin layers of insulating, conducting, or semiconductor material). The editor has composed five separate, thematic volumes on thin films of metals, semimetals, glasses, ceramics, alloys, organics, diamonds, graphites, porous materials, noncrystalline solids, supramolecules, polymers, copolymers, biopolymers, composites, blends, activated carbons, intermetallics, chalcogenides, dyes, pigments, nanostructured materials, biomaterials, inorganic/polymer composites, organoceramics, metallocenes, disordered systems, liquid crystals, quasicrystals, and layered structures. Thin films is a field of the utmost importance in today's materials science, electrical engineering and applied solid state physics; with both research and industrial applications in microelectronics, computer manufacturing, and physical devices. Advanced, high-performance computers, high-definition TV, digital camcorders, sensitive broadband imaging systems, flat-panel displays, robotic systems, and medical electronics and diagnostics are but a few examples of miniaturized device technologies that depend the utilization of thin film materials. The Handbook of Thin Films Materials is a comprehensive reference focusing on processing techniques, characterization methods, and physical properties of these thin film materials.

Revista Mexicana De F Sica

Author :
ISBN : UOM:39015051245556
Genre : Physics
File Size : 25. 3 MB
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Foundations Of The Envelope Function Theory For Electrons And Phonons In Semiconductor Heterostructures

Author : Bradley Alan Foreman
ISBN : CORNELL:31924074552484
Genre :
File Size : 67. 86 MB
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Advanced Semiconductor Heterostructures

Author : Mitra Dutta
ISBN : 9812775544
Genre : Technology & Engineering
File Size : 69. 36 MB
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This volume provides valuable summaries on many aspects of advanced semiconductor heterostructures and highlights the great variety of semiconductor heterostructures that has emerged since their original conception. As exemplified by the chapters in this book, recent progress on advanced semiconductor heterostructures spans a truly remarkable range of scientific fields with an associated diversity of applications. Some of these applications will undoubtedly revolutionize critically important facets of modern technology. At the heart of these advances is the ability to design and control the properties of semiconductor devices on the nanoscale. As an example, the intersubband lasers discussed in this book have a broad range of previously unobtainable characteristics and associated applications as a result of the nanoscale dimensional control of the underlying semiconductor heterostructures. As this book illustrates, an astounding variety of heterostructures can be fabricated with current technology; the potentially widespread use of layered quantum dots fabricated with nanoscale precision in biological applications opens up exciting advances in medicine. In addition, many more excellent examples of the remarkable impact being made through the use of semiconductor heterostructures are given. The summaries in this volume provide timely insights into what we know now about selected areas of advanced semiconductor heterostructures and also provide foundations for further developments. Contents: Novel Heterostructure Devices: ElectronOCoPhonon Interactions in Intersubband Laser Heterostructures (M V Kisin et al.); Quantum Dot Infrared Detectors and Sources (P Bhattacharya et al.); Generation of Terahertz Emission Based on Intersubband Transitions (Q Hu); Mid-Infrared GaSb-Based Lasers with Type-I Heterointerfaces (D V Donetsky et al.); Advances in Quantum-Dot Research and Technology: The Path to Applications in Biology (M A Stroscio & M Dutta); Potential Device Applications and Basic Properties: High-Field Electron Transport Controlled by Optical Phonon Emission in Nitrides (S M Komirenko et al.); Cooling by Inverse Nottingham Effect with Resonant Tunneling (Y Yu et al.); The Physics of Single Electron Transistors (M A Kastner); Carrier Capture and Transport within Tunnel Injection Lasers: A Quantum Transport Analysis (L F Register et al.); The Influence of Environmental Effects on the Acoustic Phonon Spectra in Quantum-Dot Heterostructures (S Rufo et al.); Quantum Devices with Multipole-Electrode OCo Heterojunctions Hybrid Structures (R Tsu). Readership: Undergraduate and graduate level engineering students, electrical engineers, bioengineers and physicists."

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