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Author: Farid Medjdoub Publisher: CRC Press ISBN: 1482220040 Category : Technology & Engineering Languages : en Pages : 372
Book Description
Addresses a Growing Need for High-Power and High-Frequency Transistors Gallium Nitride (GaN): Physics, Devices, and Technology offers a balanced perspective on the state of the art in gallium nitride technology. A semiconductor commonly used in bright light-emitting diodes, GaN can serve as a great alternative to existing devices used in microelectronics. It has a wide band gap and high electron mobility that gives it special properties for applications in optoelectronic, high-power, and high-frequency devices, and because of its high off-state breakdown strength combined with excellent on-state channel conductivity, GaN is an ideal candidate for switching power transistors. Explores Recent Progress in High-Frequency GaN Technology Written by a panel of academic and industry experts from around the globe, this book reviews the advantages of GaN-based material systems suitable for high-frequency, high-power applications. It provides an overview of the semiconductor environment, outlines the fundamental device physics of GaN, and describes GaN materials and device structures that are needed for the next stage of microelectronics and optoelectronics. The book details the development of radio frequency (RF) semiconductor devices and circuits, considers the current challenges that the industry now faces, and examines future trends. In addition, the authors: Propose a design in which multiple LED stacks can be connected in a series using interband tunnel junction (TJ) interconnects Examine GaN technology while in its early stages of high-volume deployment in commercial and military products Consider the potential use of both sunlight and hydrogen as promising and prominent energy sources for this technology Introduce two unique methods, PEC oxidation and vapor cooling condensation methods, for the deposition of high-quality oxide layers A single-source reference for students and professionals, Gallium Nitride (GaN): Physics, Devices, and Technology provides an overall assessment of the semiconductor environment, discusses the potential use of GaN-based technology for RF semiconductor devices, and highlights the current and emerging applications of GaN.
Author: Farid Medjdoub Publisher: CRC Press ISBN: 1482220040 Category : Technology & Engineering Languages : en Pages : 372
Book Description
Addresses a Growing Need for High-Power and High-Frequency Transistors Gallium Nitride (GaN): Physics, Devices, and Technology offers a balanced perspective on the state of the art in gallium nitride technology. A semiconductor commonly used in bright light-emitting diodes, GaN can serve as a great alternative to existing devices used in microelectronics. It has a wide band gap and high electron mobility that gives it special properties for applications in optoelectronic, high-power, and high-frequency devices, and because of its high off-state breakdown strength combined with excellent on-state channel conductivity, GaN is an ideal candidate for switching power transistors. Explores Recent Progress in High-Frequency GaN Technology Written by a panel of academic and industry experts from around the globe, this book reviews the advantages of GaN-based material systems suitable for high-frequency, high-power applications. It provides an overview of the semiconductor environment, outlines the fundamental device physics of GaN, and describes GaN materials and device structures that are needed for the next stage of microelectronics and optoelectronics. The book details the development of radio frequency (RF) semiconductor devices and circuits, considers the current challenges that the industry now faces, and examines future trends. In addition, the authors: Propose a design in which multiple LED stacks can be connected in a series using interband tunnel junction (TJ) interconnects Examine GaN technology while in its early stages of high-volume deployment in commercial and military products Consider the potential use of both sunlight and hydrogen as promising and prominent energy sources for this technology Introduce two unique methods, PEC oxidation and vapor cooling condensation methods, for the deposition of high-quality oxide layers A single-source reference for students and professionals, Gallium Nitride (GaN): Physics, Devices, and Technology provides an overall assessment of the semiconductor environment, discusses the potential use of GaN-based technology for RF semiconductor devices, and highlights the current and emerging applications of GaN.
Author: Hongyu Yu Publisher: CRC Press ISBN: 1351767615 Category : Science Languages : en Pages : 298
Book Description
GaN is considered the most promising material candidate in next-generation power device applications, owing to its unique material properties, for example, bandgap, high breakdown field, and high electron mobility. Therefore, GaN power device technologies are listed as the top priority to be developed in many countries, including the United States, the European Union, Japan, and China. This book presents a comprehensive overview of GaN power device technologies, for example, material growth, property analysis, device structure design, fabrication process, reliability, failure analysis, and packaging. It provides useful information to both students and researchers in academic and related industries working on GaN power devices. GaN wafer growth technology is from Enkris Semiconductor, currently one of the leading players in commercial GaN wafers. Chapters 3 and 7, on the GaN transistor fabrication process and GaN vertical power devices, are edited by Dr. Zhihong Liu, who has been working on GaN devices for more than ten years. Chapters 2 and 5, on the characteristics of polarization effects and the original demonstration of AlGaN/GaN heterojunction field-effect transistors, are written by researchers from Southwest Jiaotong University. Chapters 6, 8, and 9, on surface passivation, reliability, and package technologies, are edited by a group of researchers from the Southern University of Science and Technology of China.
Author: Marko Tadjer Publisher: Woodhead Publishing ISBN: 0128211059 Category : Technology & Engineering Languages : en Pages : 498
Book Description
Thermal Management of Gallium Nitride Electronics outlines the technical approaches undertaken by leaders in the community, the challenges they have faced, and the resulting advances in the field. This book serves as a one-stop reference for compound semiconductor device researchers tasked with solving this engineering challenge for future material systems based on ultra-wide bandgap semiconductors. A number of perspectives are included, such as the growth methods of nanocrystalline diamond, the materials integration of polycrystalline diamond through wafer bonding, and the new physics of thermal transport across heterogeneous interfaces. Over the past 10 years, the book's authors have performed pioneering experiments in the integration of nanocrystalline diamond capping layers into the fabrication process of compound semiconductor devices. Significant research efforts of integrating diamond and GaN have been reported by a number of groups since then, thus resulting in active thermal management options that do not necessarily lead to performance derating to avoid self-heating during radio frequency or power switching operation of these devices. Self-heating refers to the increased channel temperature caused by increased energy transfer from electrons to the lattice at high power. This book chronicles those breakthroughs. - Includes the fundamentals of thermal management of wide-bandgap semiconductors, with historical context, a review of common heating issues, thermal transport physics, and characterization methods - Reviews the latest strategies to overcome heating issues through materials modeling, growth and device design strategies - Touches on emerging, real-world applications for thermal management strategies in power electronics
Author: Rüdiger Quay Publisher: Springer Science & Business Media ISBN: 3540718923 Category : Technology & Engineering Languages : en Pages : 492
Book Description
This book is based on nearly a decade of materials and electronics research at the leading research institution on the nitride topic in Europe. It is a comprehensive monograph and tutorial that will be of interest to graduate students of electrical engineering, communication engineering, and physics; to materials, device, and circuit engineers in research and industry; to all scientists with a general interest in advanced electronics.
Book Description
Le développement intensif et rapide des dispositifs HEMT à base de nitrure de gallium a été largement favorisé par les qualités intrinsèques du matériau pour proposer des performances élevées (haute puissance, haute fréquence...) et pour autoriser un fonctionnement en environnement extrêmement sévère (fluctuations thermiques, brouillage, tenues aux radiations ionisantes...) par rapport aux technologies concurrentes plus traditionnelles (Si, GaAs...). À ce jour, les dispositifs HEMTs AlGaN/GaN sont considérés comme une alternative prometteuse pour remplacer la technologie GaAs, et se positionnent comme d'excellents candidats pour des applications d'électronique de puissance, pour les applications TVSAT, des stations de base terrestres et des systèmes radar à large bande de fréquence (bande L à W), et pour les applications civiles et militaires. Cependant, il reste à lever certains verrous concernant des problèmes de fiabilité de ces dispositifs, qui affectent la durée de vie élevée attendue ; l'amélioration de la robustesse de ces technologies reste une phase critique à étudier malgré les progrès déjà réalisés. Plusieurs paramètres de fabrication affectent la fiabilité, tels que la passivation de la surface, le plateau de champ, le procédé de dépôt de la grille. Il est bien connu que l'étude de la fiabilité est complexe et ne pourra jamais être totalement accomplie, cependant les limites escomptées pour une exploitation raisonnable des filières GaN laissent entrevoir la possibilité de réels progrès dans ce domaine pour assoir le positionnement de ces technologies vis à vis des solutions concurrentes. Ce manuscrit de thèse présente les outils de diagnostic et les procédures de mesures associées développés pour mieux comprendre les mécanismes de dégradation sous-jacents de ces dispositifs. Les mesures électriques DC et pulsées à différentes températures sont présentées en premier lieu. Pour obtenir des informations au niveau microscopique sur la fluctuation des porteurs et des défauts dans les zones actives et passives du dispositif, des mesures de bruit basse fréquence sont effectuées sur les courant de grille et de drain sous différentes configurations : la diode seule (drain en l'air) et le transistor en régime saturé. Une technique électro-optique, l'OBIRCh (Optical Beam Induced Resistance Change technique), est aussi appliquée sur les mêmes composants : cette technique apporte d'autres informations quant à l'intégrité du composant (fluctuations de courant), et vient corroborer nos hypothèses sur l'activation de mécanismes piezoélectriques dans les zones fortement polarisées du composant. Toutes ces techniques non-destructives permettent des analyses croisées. Un modèle original de la diode Schottky a été établi pour tenir compte de certains défauts d'homogénéité à l'intérieur du contact de grille à l'interface entre la diode Schottky et la couche semi-conductrice supérieure. D'autres résultats originaux ont été trouvés à partir des mesures de bruit basse fréquence concernant la localisation des défauts actifs et leur évolution suite à l'application d'un stress électrique et thermique (HTRB, HTOL, ...). Les analyses électriques (pulsées et transitoires) des phénomènes de retard à la commande (grille ou drain) sont partiellement corrélées aux analyses du bruit basse fréquences des courant de grille et de drain pour identifier les mécanismes sous-jacents de dégradations. Dernièrement, une ébauche de plan d'expérience (DOE) est proposée dans le cadre de notre travail, qui complètera celui mis en œuvre dans le cadre du projet ANR REAGAN impliquant tous les partenaires : des règles et des procédures expérimentales sont identifiées pour s'assurer que les données expérimentales sont fiables (i.e. reflètent statistiquement le comportement réel du dispositif).
Author: Jacques L Pankove Publisher: Academic Press ISBN: 9780125440554 Category : Gallium nitride Languages : en Pages : 0
Book Description
These two volumes present a complete description of the various methods of making and studying the crystal and electronic structure. The books also assist in determining the origin and the influence of defects in the intrinsic properties and of applying these materials for various optical (LEDs, lasers, detectors) and electronic (transistors, non-volatile memories) devices. These two volumes give a comprehensive description of both experimental and theoretical developments in the field of III-V nitrides over the past thirty years. The various chapters address issues related to crystal growth and structure, doping and alloy phenomena, band structure, optical and electronic properties, non-linear optical phenomena, the origin and the effect of strain in the hetero-epitaxy and the electronic structure, phonons, the theory and experimental observations of the effect of hydrogen, investigation of the electronic structure of defects using transport and magnetic resonance measurements, MQWs and superlattices, device processing and applications of these materials to LEDs, Lasers, Ultraviolet and X-ray Detectors, Transistors and non-volatile semiconductor memories. The various chapters were written by experts and an attempt has been made to address the topics in a tutorial fashion,including an historical review,a description of the state of the art, anticipation of future developments, and presentation of a complete list of references. The level of treatment of the various topics is appropriate for graduate students, laboratory practitioners, as well as experts in the field.
Author: Farid Medjdoub
Author: Farid Medjdoub
Author: Hongyu Yu
Author: K. Shenai
Author: Marko Tadjer
Author: Florian Peter Pribahsnik
Author: Rüdiger Quay
Author: Serge Karboyan
Author: Theodore D. Moustakas
Author: Jacques I. Pankove
Author: Jacques L Pankove