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Liquid dielectrics --- Electric conductivity --- Breakdown (Electricity) --- Physics --- Electricity & Magnetism --- Physical Sciences & Mathematics --- Dielectric breakdown --- Electric breakdown --- Electric discharges --- Conductivity, Electric --- Free electron theory of metals --- Transport theory --- Dielectrics, Liquid --- Dielectrics

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Breakdown (Electricity). --- Electric insulators and insulation. --- Electrical engineering. --- High voltages. --- Hoogspanningsinstallaties. --- Hoogspanningsisolatie. --- Meettechnieken. --- Breakdown (Electricity) --- Electrical engineering --- Electric insulators and insulation --- High voltages --- 621.3 --- 621.3 Electrical engineering --- Bushings --- Insulation (Electric) --- Electric resistance --- Insulating materials --- Dielectrics --- Electric engineering --- Engineering --- Electromotive force --- Dielectric breakdown --- Electric breakdown --- Electric discharges --- High voltage

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The book describes the main physical processes and phenomena in pulsed electric breakdown. The knowledge and the control of the electric breakdown of liquids is important not only for the insulation inside power systems but it is also used for the creation and information of high voltage and high current pulses. Such high-voltage micro- and nanosecond pulses find wide application in experimental physics, electro discharge technology, physics of dielectrics, radar detection and ranging, high-speed photography. The nature of charge carriers, mechanism of formation and evolution of the gas phase, and their role in charge ignition (initiation) and development are considered. In particular, the spatiotemporal laws of propagation and parameters of charge channels are described in detail and the boundery conditions of the breakdown initiation are formulated. The monograph is useful for experts in high-voltage pulsed technology, physics of dielectrics, and electrical insulation as well as to students of the corresponding fields.

Electric discharges. --- Dielectrics. --- Liquids --- Electric discharges through gases. --- Breakdown (Electricity) --- Pulse techniques (Electronics) --- Electric properties. --- Electronic pulse techniques --- Electronics --- Radar --- Radio waves --- Telecommunication --- Dielectric breakdown --- Electric breakdown --- Electric discharges --- Electrical engineering --- Electric insulators and insulation --- Discharges (Electricity) --- Electricity --- Electrostatic discharges --- Electrostatics --- Nuclear physics --- Electric action of points --- Photoelectricity --- Gases, Electric discharges through --- Cathode rays --- Electrons --- Ions --- Vacuum --- Vacuum-tubes --- Materials --- Discharges --- Discharges through gases --- Electronics. --- Energy Systems. --- Electronics and Microelectronics, Instrumentation. --- Energy, general. --- Physical sciences --- Energy systems. --- Microelectronics. --- Energy. --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Microtechnology --- Semiconductors --- Miniature electronic equipment

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Emerging wide bandgap (WBG) semiconductors hold the potential to advance the global industry in the same way that, more than 50 years ago, the invention of the silicon (Si) chip enabled the modern computer era. SiC- and GaN-based devices are starting to become more commercially available. Smaller, faster, and more efficient than their counterpart Si-based components, these WBG devices also offer greater expected reliability in tougher operating conditions. Furthermore, in this frame, a new class of microelectronic-grade semiconducting materials that have an even larger bandgap than the previously established wide bandgap semiconductors, such as GaN and SiC, have been created, and are thus referred to as “ultra-wide bandgap” materials. These materials, which include AlGaN, AlN, diamond, Ga2O3, and BN, offer theoretically superior properties, including a higher critical breakdown field, higher temperature operation, and potentially higher radiation tolerance. These attributes, in turn, make it possible to use revolutionary new devices for extreme environments, such as high-efficiency power transistors, because of the improved Baliga figure of merit, ultra-high voltage pulsed power switches, high-efficiency UV-LEDs, and electronics. This Special Issue aims to collect high quality research papers, short communications, and review articles that focus on wide bandgap device design, fabrication, and advanced characterization. The Special Issue will also publish selected papers from the 43rd Workshop on Compound Semiconductor Devices and Integrated Circuits, held in France (WOCSDICE 2019), which brings together scientists and engineers working in the area of III–V, and other compound semiconductor devices and integrated circuits.

Technology: general issues --- GaN --- high-electron-mobility transistor (HEMT) --- ultra-wide band gap --- GaN-based vertical-cavity surface-emitting laser (VCSEL) --- composition-graded AlxGa1−xN electron blocking layer (EBL) --- electron leakage --- GaN laser diode --- distributed feedback (DFB) --- surface gratings --- sidewall gratings --- AlGaN/GaN --- proton irradiation --- time-dependent dielectric breakdown (TDDB) --- reliability --- normally off --- power cycle test --- SiC micro-heater chip --- direct bonded copper (DBC) substrate --- Ag sinter paste --- wide band-gap (WBG) --- thermal resistance --- amorphous InGaZnO --- thin-film transistor --- nitrogen-doping --- buried-channel --- stability --- 4H-SiC --- turn-off loss --- ON-state voltage --- breakdown voltage (BV) --- IGBT --- wide-bandgap semiconductor --- high electron mobility transistors --- vertical gate structure --- normally-off operation --- gallium nitride --- asymmetric multiple quantum wells --- barrier thickness --- InGaN laser diodes --- optical absorption loss --- electron leakage current --- wide band gap semiconductors --- numerical simulation --- terahertz Gunn diode --- grooved-anode diode --- Gallium nitride (GaN) high-electron-mobility transistors (HEMTs) --- vertical breakdown voltage --- buffer trapping effect --- gallium nitride (GaN) --- power switching device --- active power filter (APF) --- power quality (PQ) --- metal-insulator-semiconductor high-electron-mobility transistor (MIS-HEMT) --- recessed gate --- double barrier --- high-electron-mobility transistors --- copper metallization --- millimeter wave --- wide bandgap semiconductors --- flexible devices --- silver nanoring --- silver nanowire --- polyol method --- cosolvent --- tungsten trioxide film --- spin coating --- optical band gap --- morphology --- electrochromism --- self-align --- hierarchical nanostructures --- ZnO nanorod/NiO nanosheet --- photon extraction efficiency --- photonic emitter --- wideband --- HEMT --- power amplifier --- jammer system --- GaN 5G --- high electron mobility transistors (HEMT) --- new radio --- RF front-end --- AESA radars --- transmittance --- distortions --- optimization --- GaN-on-GaN --- schottky barrier diodes --- high-energy α-particle detection --- low voltage --- thick depletion width detectors