Device Modeling Of Algan Gan High Electron Mobility Transistors Hemts

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Modeling Of Algan Gan High Electron Mobility Transistors

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Author : D. Nirmal
language : en
Publisher: Springer Nature
Release Date : 2024-12-23

Modeling Of Algan Gan High Electron Mobility Transistors written by D. Nirmal and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-23 with Technology & Engineering categories.

This volume focuses on GaN HEMT, the most promising transistor technology for RF power applications such as 5G communications, space and defense. The contents include accurate small signal models required to predict the RF power performance of RF electronic circuits, large signal modeling of GaN HEMTs, accurate and compact physical models to assist the RF circuit designers to optimize GaN HEMT-based power amplifiers and integrated circuits, among others. The book also covers thermal resistance modeling of GaN HEMTs, charge-based compact models, and surface potential-based models to study the impact of gate leakage current on the RF power performance of GaN HEMTs. This book also deals with the analytical modeling of intrinsic charges and surface potential of GaN HEMTs, physical modeling of charge trapping, neural network-based GaN HEMT models, numerical-based GaN HEMT models, modeling of short channel effects in GaN HEMTs, modeling of parasitic capacitances and resistances, modelingof current collapse and kink effects in HGaN HEMTs, etc. This volume will be a useful to those in industry and academia.

Device Modeling Of Algan Gan High Electron Mobility Transistors Hemts

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Author : Manju Korwal Chattopadhyay
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2010-10

Device Modeling Of Algan Gan High Electron Mobility Transistors Hemts written by Manju Korwal Chattopadhyay and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10 with categories.

High electron mobility transistor (HEMT) made of compound semiconductors exhibit great potential for high-power applications at RF, microwave, and millimeter-wave frequencies. Owing largely to a high electrical breakdown field, electron sheet charge density, and substrate material with high thermal conductivity, these are capable of handling larger power density signals at high temperatures in unfriendly environments. The present work involves the analytical modeling of AlGaN/GaN material system based HEMTs. A polynomial represents Fermi-level as a non-linear function of sheet carrier density at the interface of HEMTs. Using this polynomial, models for finding the temperature dependent gate capacitance, parasitic MESFET dependent transconductance and dc characteristics including self-heating effects were formulated. The effects of spontaneous and piezoelectric polarization fields, have been investigated in detail. All results show reasonable agreement with the experimental data. Our analytical simulation should be useful in device designing, allowing interactive optimization of device configuration and economically complementing experimental investigations.

Modeling Of Algan Gan High Electron Mobility Transistor For Sensors And High Temperature Circuit Applications

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Author : Sazia Afreen Eliza
language : en
Publisher:
Release Date : 2008

Modeling Of Algan Gan High Electron Mobility Transistor For Sensors And High Temperature Circuit Applications written by Sazia Afreen Eliza and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

With the most advanced and mature technology for electronic devices, silicon (Si) based devices can be processed with practically no material defects. However, Si technology has difficulty meeting the demand for some high-power, high-speed, and high-temperature applications due to limitations in its intrinsic properties. Wide bandgap semiconductors have greater prospects compared to Si based devices. The wide band gap material system shows higher breakdown voltage, lower leakage, higher saturation velocity, larger thermal conductivity and better thermal stability suitable for high-power, high-speed, and high-temperature operations of the devices. In recent years, GaN based devices have drawn much research attention due to their superior performances compared to other wide bandgap semiconductor (SiC) devices. Specifically, implementation of AlGaN/GaN high electron mobility transistor (HEMT) based power amplifiers have become very promising for applications in base stations or radar. With the increase in device power, channel temperature rises. This introduces high-temperature effects in the device characteristics. In addition, high-power, high-frequency and high-temperature operation of AlGaN/GaN HEMT is required for telemetry in extreme environment. AlGaN/GaN HEMT also shows great potential as chemically selective field-effect transistor (CHEMFET). Due to simpler imprint technique and amplification advantages CHEMFET based detection and characterization of bio-molecules has become very popular. AlGaN/GaN HEMT has high mobility two-dimensional electron gas (2 DEG) at the hetero-interface closer to the surface and hence it shows high sensitivity to any surface charge conditions. The primary objective of this research is to develop a temperature dependent physics based model of AlGaN/GaN HEMT to predict the performance for high-power and high-speed applications at varying temperatures. The physics based model has also been applied to predict the characteristics of AlGaN/GaN HEMT based CHEMFET for the characterization of bio-molecular solar batteries - Photosystem I reaction centers. Using the CHEMFET model, the number of reaction centers with effective orientation on the gate surface of the HEMT can be estimated.

Handbook For Iii V High Electron Mobility Transistor Technologies

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Author : D. Nirmal
language : en
Publisher: CRC Press
Release Date : 2019-05-14

Handbook For Iii V High Electron Mobility Transistor Technologies written by D. Nirmal and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-14 with Science categories.

This book focusses on III-V high electron mobility transistors (HEMTs) including basic physics, material used, fabrications details, modeling, simulation, and other important aspects. It initiates by describing principle of operation, material systems and material technologies followed by description of the structure, I-V characteristics, modeling of DC and RF parameters of AlGaN/GaN HEMTs. The book also provides information about source/drain engineering, gate engineering and channel engineering techniques used to improve the DC-RF and breakdown performance of HEMTs. Finally, the book also highlights the importance of metal oxide semiconductor high electron mobility transistors (MOS-HEMT). Key Features Combines III-As/P/N HEMTs with reliability and current status in single volume Includes AC/DC modelling and (sub)millimeter wave devices with reliability analysis Covers all theoretical and experimental aspects of HEMTs Discusses AlGaN/GaN transistors Presents DC, RF and breakdown characteristics of HEMTs on various material systems using graphs and plots

Nanoelectronic Materials Devices And Modeling

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Author : Qiliang Li
language : en
Publisher: MDPI
Release Date : 2019-07-15

Nanoelectronic Materials Devices And Modeling written by Qiliang Li and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-15 with Technology & Engineering categories.

As CMOS scaling is approaching the fundamental physical limits, a wide range of new nanoelectronic materials and devices have been proposed and explored to extend and/or replace the current electronic devices and circuits so as to maintain progress with respect to speed and integration density. The major limitations, including low carrier mobility, degraded subthreshold slope, and heat dissipation, have become more challenging to address as the size of silicon-based metal oxide semiconductor field effect transistors (MOSFETs) has decreased to nanometers, while device integration density has increased. This book aims to present technical approaches that address the need for new nanoelectronic materials and devices. The focus is on new concepts and knowledge in nanoscience and nanotechnology for applications in logic, memory, sensors, photonics, and renewable energy. This research on nanoelectronic materials and devices will be instructive in finding solutions to address the challenges of current electronics in switching speed, power consumption, and heat dissipation and will be of great interest to academic society and the industry.

Large Signal Modeling Of Gan Hemts For Linear Power Amplifier Design

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Author : Endalkachew Shewarega Mengistu
language : en
Publisher: kassel university press GmbH
Release Date : 2008

Large Signal Modeling Of Gan Hemts For Linear Power Amplifier Design written by Endalkachew Shewarega Mengistu and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Simulation Of Semiconductor Processes And Devices 2007

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Author : Tibor Grasser
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-11-18

Simulation Of Semiconductor Processes And Devices 2007 written by Tibor Grasser and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-11-18 with Technology & Engineering categories.

The "Twelfth International Conference on Simulation of Semiconductor Processes and Devices" (SISPAD 2007) continues a long series of conferences and is held in September 2007 at the TU Wien, Vienna, Austria. The conference is the leading forum for Technology Computer-Aided Design (TCAD) held alternatingly in the United States, Japan, and Europe. The first SISPAD conference took place in Tokyo in 1996 as the successor to three preceding conferences NUPAD, VPAD, and SISDEP. With its longstanding history SISPAD provides a world-wide forum for the presenta tion and discussion of outstanding recent advances and developments in the field of numerical process and device simulation. Driven by the ongoing miniaturization in semiconductor fabrication technology, the variety of topics discussed at this meeting reflects the ever-growing complexity of the subject. Apart from the classic topics like process, device, and interconnect simulation, mesh generation, a broad spec trum of numerical issues, and compact modeling, new simulation approaches like atomistic and first-principles methods have emerged as important fields of research and are currently making their way into standard TCAD suites.

Dynamic Performance Simulation Of Algan Gan High Electron Mobility Transistors

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Author : Shrijit Mukherjee
language : en
Publisher:
Release Date : 2019-05-31

Dynamic Performance Simulation Of Algan Gan High Electron Mobility Transistors written by Shrijit Mukherjee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-31 with Technology & Engineering categories.

Abstract: GaN based devices have reached a point in terms of processing maturity where the favorable wide-band gap related properties can be implemented in several commercial and military applications. However, long term reliability continues to affect large scale integration of such devices, specifically the potential of AlGaN/GaN High Electron Mobility Transistors (HEMTs), due to the indefinite nature of defects in the structure and mechanisms of performance degradation relevant to such defects. Recent efforts have begun to concentrate more on the bulk properties of the GaN buffer on which the heterostructure is grown, and how defects distributed in the buffer can affect the performance under various operating schemes. This dissertation discusses numerical simulator based investigation of the numerous possibilities by which such point defects can affect electrical behavior. For HEMTs designed for satellite communication systems, proton irradiation results indicate changes in the device parasitics resulting in degradation of RF parameters. Assumption of such radiation damage introducing fast traps indicate severe degradation far exceeding experimental observation. For power switching applications, the necessity of accurately capturing as-grown defects was realized when modeling current relaxation during bias switching. Ability to introduce multiple trap levels in the material bulk aided in achieving simulation results replicating experimental results more accurately than published previously. Impact of factors associated with such traps, either associated with discrete energy levels or band-like distribution in energy, on the nature of current relaxation characterized by its derivative has been presented. Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, "Dynamic Performance Simulation of AlGaN/GaN High Electron Mobility Transistors" by Shrijit Mukherjee, was obtained from University of Florida and is being sold with permission from the author. A digital copy of this work may also be found in the university's institutional repository, IR@UF. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation.

Nanotechnology In Electronics Photonics Biosensors And Energy Systems

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Author : Faquir C Jain
language : en
Publisher: World Scientific
Release Date : 2023-08-15

Nanotechnology In Electronics Photonics Biosensors And Energy Systems written by Faquir C Jain and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-15 with Technology & Engineering categories.

This unique compendium consists of peer-reviewed articles spanning from novel growth of materials for nanoelectronic and nanophotonic devices, electronic nose sensor array, bio-nano-systems, artificial intelligence/machine learning, and emerging technologies, to applications in each of these fields.Systems implementing additively manufactured RF devices for communication, packaging, remote sensing, compact multi-bit FETs and memories are also included.Plasmonic nanostructures with electrical connections have potential applications as new electro-optic devices. Quantum dot-based devices are discussed with regard to optical logic gates, mid-infrared photodetectors, gain and index tailored external cavity high power lasers.Contributed by eminent researchers, this useful reference text broadly illustrates relevant aspects of high-performance materials and emerging nanodevices for implementing high-speed electronic systems.

Computers And Devices For Communication

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Author : Nikhil Ranjan Das
language : en
Publisher: Springer Nature
Release Date : 2021-02-03

Computers And Devices For Communication written by Nikhil Ranjan Das and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-03 with Technology & Engineering categories.

This book gathers selected research papers presented at the 7th International Conference on Computers and Devices for Communication (CODEC 2019), held at the Department of Radio Physics and Electronic, University of Calcutta, India, on 19 – 20 December 2019. It includes recent research in the field of nanomaterials, devices and circuits; microwave and light wave technology; communication and space science; and computer applications and control.