semiconductor


Semiconductors materials such as silicon (Si), germanium (Ge) and gallium arsenide (GaAs), have electrical properties somewhere in the middle, between those of a “conductor” and an “insulator”. They are not good conductors nor good insulators

Semiconductor radiation detectors
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Semiconductor detectors for nuclear radiation and particles have experienced a rather rapid development in the last few years. Although these developments have been documented in a large number of publications, it seemed useful to collect this information in the form of an

Size quantization of the electron energy spectrum in a microscopic semiconductor crystal
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The interband absorption spectrum of microscopic CdS crystals ranging in size from~ 30 to 800 A and dispersed in a transparent insulating matrix has been studied. There is a significant (~ 0.8-eV) shift of the fundamental absorption edge in the short-wavelength

Quantum size effect in three-dimensional microscopic semiconductor crystals
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The exciton absorption spectrum of microscopic CuCl crystals grown in a transparent dielectric matrix has been studied. The size of the microscopic crystals was varied in a controlled manner from several

Introduction to semiconductor manufacturing technology
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O→ SiO 2 (solid)+ 2H 2The fast growth rate in wet atmosphere is due to the faster diffusion and higher solubility of water vapor than oxygen in silicon dioxideHydrogen molecules produced in the reaction are trapped in oxide, less dense, using heating (annealing) to

Semiconductor physics and devices
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Abstract WE report here the photoelectrocatalytic reduction of carbon dioxide to form organic compounds such as formic acid, formaldeyde, methyl alcohol and methane, in the presence of photosensitive semiconductor powders suspended in water as catalysts. Photocatalytic

General synthesis of compound semiconductor nanowires
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The predictable synthesis of a broad range of multicomponent semiconductor nanowires has been accomplished using laser-assisted catalytic growth. Nanowires of binary group III V materials (GaAs, GaP, InAs, and InP), ternary III V materials (GaAs/P, InAs/P), binary

Optical properties of semiconductor quantum dots
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Page 1. Ulrike Woggon Optical Properties of Semiconductor Quantum Dots With 126 Figures Nanocrystals in Glass Matrices 8 2.1.1 The Diffusion-Controlled Growth Process 8 2.1.2

Semiconductor manufacturing technology
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Semiconductor Manufacturing Technology Michael

Handbook of semiconductor wafer cleaning technology
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Chemical contamination and process induced damage of the wafer surface are majorfactors in limiting yield in device manufacturing. Effective control of these phenomena requires techniques which non-destructively, yet in real-time, can monitor contamination and process

Advanced semiconductor fundamentals
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Advanced Semiconductor Fundamentals is viewed by the author as a doorway to the graduate or journal-level discussion of solid-state devices. It was originally prepared in part as a supplement to a widely used graduate text and in part to provide background The enormous potential of science and technology on nanoscale to impact on industrial output has been recognised all over the world. One emerging area of nanoscience being at the interface of chemistry, physics, biology and materials science is the field of

Modern semiconductor devices for integrated circuits
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1. Silicon crystals are formed via covalent bonds. In an intrinsic silicon crys- tal there are few mobile electrons and holes. Their concentration is equiv- alent to ni (~1010 cm 3)2. Using the bond model one can explain why group V atoms can serve as donors where as group III

Semiconductor electrochemistry
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I. GENERAL A. Differences Between Metal and Semiconductor Electrodes The thermodynamics of galvanic cells are a1milarfor metal or semiconductor electrodes. But, in the kinetic. s of the electrode reactions, the type of electronic conductance found in the

Basic semiconductor physics
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Apparently, there are still a lot of challenges to be overcome before manufacturing becomes viable. According to Robert Chau, Director of transistor research and nanotechnology at INTEL Corporation, there are following four major challenges (CSIC 2005 Tech. Digest):(1) Worldwide, many researchers are fascinated from the rich physics of semiconductor quantum dots (QDs) and their high potential for applications in photonics and quantum information technology. QDs are nanometer-sized three-dimensional structures which

Toward encoding combinatorial libraries: charge-driven microencapsulation of semiconductor nanocrystals luminescing in the visible and near IR
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Recently, the perspectives of deployment of semiconductor nanocrystals as fluorescence labeling reagents for biological imaging experiments have been demonstrated on the attachment of CdSe/CdS and CdSe/ZnS [2, 3] core shell nanoparticles to DNA molecules With the exception of water power and wind energy, all our traditional energy resources are the product of photosynthesis. Since the energy conversion in photosynthesis is an electrochemical process, namely a redox reaction of excited chlorophyll molecules, many

Microbial synthesis of semiconductor PbS nanocrystallites
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The synthesis of semiconductor nanocrystallites using microorganisms is a relatively new and unexplored area. In the classical studies by Dameron and coworkers it was shown that yeasts such as Schizosaccharomyces pombe and Candida glabrata produced

A general synthetic route to III V compound semiconductor nanowires
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III V compound semiconductor wires with nanometer diameters have attracted much interest in recent years for their potential applications in high-electron-mobility nanoelectronic devices and full-color flat panel displays.Several approaches have been successfully

Quantum-mechanical semiconductor generators and amplifiers of electromagnetic oscillations
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IN the present note we consider the possibility of using the electronic transitions between the conduction band (valence band) and the donor (acceptor) impurity levels of a semiconductor to obtain electromagnetic radiation assisted by the phenomenon of stimulated emission in a

Reliability of electronic packages and semiconductor devices
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SYNOPSIS Proven Methods for Predicting and Extending the Functional Life of Seminconductor Components Reliability Of Electronic Packages and Semiconductor Devices. Learn the latest methods for dealing effectively with the failure mechanisms that