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Author: Katarzyna Barbara Wierzbowska Publisher: ISBN: Category : Languages : en Pages : 155
Book Description
Cette thèse est consacrée à l'étude de la physico-chimie des structures électroniques et microélectroniques à base de phosphure d'indium (InP). Le contexte scientifique de cette étude est d'abord abordé dans une description de la pollution atmosphérique ainsi que de sa métrologie. Les propriétés physico-chimiques et électroniques de InP sont particulièrement détaillées. Les structures des capteurs de gaz en cours de développement pour cette application sont ensuite répertoriées. Les méthodes de caractérisation chimique (spectroscopie de surface XPS et Auger, microscopie à force atomique AFM) et électronique (Van der Pauw) ainsi que l'analyse théorique des propriétés électroniques des couches minces sont également présentées. Enfin, des mesures en laboratoire à température et concentration variables de NO2 proches de celles rencontrées dans une atmosphère urbaine sont présentées. Les résultats obtenus suite à l'analyse théorique et aux différentes expériences ont montré le rôle prédominant des oxydes natifs présents à la surface de InP sur les réponses des capteurs. Ces derniers interviennent également sur la stabilité de la réponse aux gaz, tout comme leurs propriétés physico-chimiques. Les résultats des caractérisations électroniques et chimiques corroborent les résultats des essais des capteurs et permettent une modélisation de l'action du gaz sur InP.
Author: Katarzyna Barbara Wierzbowska Publisher: ISBN: Category : Languages : en Pages : 155
Book Description
Cette thèse est consacrée à l'étude de la physico-chimie des structures électroniques et microélectroniques à base de phosphure d'indium (InP). Le contexte scientifique de cette étude est d'abord abordé dans une description de la pollution atmosphérique ainsi que de sa métrologie. Les propriétés physico-chimiques et électroniques de InP sont particulièrement détaillées. Les structures des capteurs de gaz en cours de développement pour cette application sont ensuite répertoriées. Les méthodes de caractérisation chimique (spectroscopie de surface XPS et Auger, microscopie à force atomique AFM) et électronique (Van der Pauw) ainsi que l'analyse théorique des propriétés électroniques des couches minces sont également présentées. Enfin, des mesures en laboratoire à température et concentration variables de NO2 proches de celles rencontrées dans une atmosphère urbaine sont présentées. Les résultats obtenus suite à l'analyse théorique et aux différentes expériences ont montré le rôle prédominant des oxydes natifs présents à la surface de InP sur les réponses des capteurs. Ces derniers interviennent également sur la stabilité de la réponse aux gaz, tout comme leurs propriétés physico-chimiques. Les résultats des caractérisations électroniques et chimiques corroborent les résultats des essais des capteurs et permettent une modélisation de l'action du gaz sur InP.
Author: Yonghui Deng Publisher: Springer Nature ISBN: 9819926211 Category : Science Languages : en Pages : 402
Book Description
The second edition of this book focuses on the synthesis, design, and application of semiconducting metal oxides as gas sensing materials, including the gas sensing mechanism, and modification methods for sensing materials, while also providing a comprehensive introduction to semiconductor gas sensing devices. As an essential part of IoT (Internet of things), gas sensors have shown great significance and promising prospects. Therefore, studies on functional mesoporous metal oxides, one of the most important gas sensing materials based on their unique Knudsen diffusion behavior and tailored pore structure, have increasingly attracted attention from various disciplines. The book offers a valuable reference guide to metal oxide gas sensing materials for undergraduate and graduate students alike. It will also benefit all researchers who are involved in synthesis and gas sensing of metal oxides nanomaterials with relevant frontier theories and concepts. Engineers working on research and development of semiconductor gas sensors will also find some new ideas for sensor design.
Author: Osamu Wada Publisher: Wiley-Interscience ISBN: Category : Science Languages : en Pages : 616
Book Description
A comprehensive guide to current techniques, applications, and trends in InP-based technologies. Introducing one of the hottest technologies in the semiconductor industry, this collection of articles by international leading experts covers the state of the art of indium phosphide (InP)-based materials and devices. From current industry practices to cutting-edge developments to promising research trends, each chapter describes a particular aspect of the technology, giving scientists and engineers the necessary information, including physical principles and technical know-how, to design, apply, and troubleshoot these high-performance, low-cost components for diverse systems-TDM and WDM optical systems or microwave and millimeter-wave systems. The advantages and challenges still to overcome of InP-based semiconductors as compared with the more mature GaAs technology are also thoroughly reviewed. Presented in an easy-to-understand tutorial style, with topics cross-referenced between chapters, InP-Based Materials and Devices features more than 1,500 references as well as 365 figures and tables. Key topics include: * Basic materials physics involved in a wide range of InP-based compounds. * Growth of high-purity bulk and heterostructure epitaxy, including MOCVD, MBE, and GS-MBE. * Hetero-interface control and dry process techniques for device fabrication. * High-performance heterojunction-FETs and HEMTs as well as HBTs for high-speed IC and MMIC applications. * Lasers, amplifiers, and modulators as well as photodiodes and receivers for high-speed and WDM networks. * Optoelectronic integration and packing for functional, low-cost modules.
Author: Mohamed Henini Publisher: Elsevier ISBN: 0128121378 Category : Science Languages : en Pages : 790
Book Description
Molecular Beam Epitaxy (MBE): From Research to Mass Production, Second Edition, provides a comprehensive overview of the latest MBE research and applications in epitaxial growth, along with a detailed discussion and 'how to' on processing molecular or atomic beams that occur on the surface of a heated crystalline substrate in a vacuum. The techniques addressed in the book can be deployed wherever precise thin-film devices with enhanced and unique properties for computing, optics or photonics are required. It includes new semiconductor materials, new device structures that are commercially available, and many that are at the advanced research stage. This second edition covers the advances made by MBE, both in research and in the mass production of electronic and optoelectronic devices. Enhancements include new chapters on MBE growth of 2D materials, Si-Ge materials, AIN and GaN materials, and hybrid ferromagnet and semiconductor structures. - Condenses the fundamental science of MBE into a modern reference, speeding up literature review - Discusses new materials, novel applications and new device structures, grounding current commercial applications with modern understanding in industry and research - Includes coverage of MBE as mass production epitaxial technology and how it enhances processing efficiency and throughput for the semiconductor industry and nanostructured semiconductor materials research community
Author: M O Manasreh Publisher: CRC Press ISBN: 9789056992644 Category : Technology & Engineering Languages : en Pages : 870
Book Description
InP is a key semiconductor for the production of optoelectronic and photonic devices. Its related compounds, such as InGaAsP alloy, have been realized as very important materials for communication in the 1.3 and 1.55 micron spectral regions. Furthermore, the applications on InP and related compounds have extended to other areas that include laser diodes, light emitting diodes, photodetectors, waveguides, photocathodes, solar cells, and many other applications. The topics presented in this book have been chosen to achieve a balance between the properties of bulk materials, doping, characterization, applications, and devices. This unique volume, featuring chapters written by experts in the field, provides a good starting point for those who are new to the subject and contains detailed results and in depth discussions for those who are experts in the field.
Author: Fan Ren Publisher: CRC Press ISBN: 1439813884 Category : Science Languages : en Pages : 318
Book Description
Sales of U.S. chemical sensors represent the largest segment of the multi-billion-dollar global sensor market, which includes instruments for chemical detection in gases and liquids, biosensors, and medical sensors. Although silicon-based devices have dominated the field, they are limited by their general inability to operate in harsh environments
Author: Katarzyna Barbara Wierzbowska
Author: Katarzyna Barbara Wierzbowska
Author: Yonghui Deng
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Author: Osamu Wada
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Author: Mohamed Henini
Author: M O Manasreh
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Author: Fan Ren