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Full Band Monte Carlo Simulation Of Nanowires And Nanowire Field Effect Transistors
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Book Synopsis Full Band Monte Carlo Simulation of Nanowires and Nanowire Field Effect Transistors by : Raghuraj Hathwar
Download or read book Full Band Monte Carlo Simulation of Nanowires and Nanowire Field Effect Transistors written by Raghuraj Hathwar and published by . This book was released on 2016 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, transport in nanowire materials and nanowire field effect transistors is studied using a full band Monte Carlo simulator within the tight binding basis. Chapter 1 is dedicated to the importance of nanowires and nanoscale devices in present day electronics and the necessity to use a computationally efficient tool to simulate transport in these devices. Chapter 2 discusses the calculation of the full band structure of nanowires based on an atomistic tight binding approach, particularly noting the use of the exact same tight binding parameters for bulk band structures as well as the nanowire band structures. Chapter 3 contains the scattering rate formula for deformation potential, polar optical phonon, ionized impurity and impact ionization scattering in nanowires using Fermis golden rule and the tight binding basis to describe the wave functions. A method to calculate the dielectric screening in 1D systems within the tight binding basis is also described. Importantly, the scattering rates of nanowires tends to the bulk scattering rates at high energies, enabling the use of the same parameter set that were fitted to bulk experimental data to be used in the simulation of nanowire transport. A robust and efficient method to model interband tunneling is discussed in chapter 4 and its importance in nanowire transport is highlighted. In chapter 5, energy relaxation of excited electrons is studied for free standing nanowires and cladded nanowires. Finally, in chapter 6, a full band Monte Carlo particle based solver is created which treats confinement in a full quantum way and the current voltage characteristics as well as the subthreshold swing and percentage of ballistic transport is analyzed for an In0.7Ga0.3As junctionless nanowire field effect transistor.
Book Synopsis Nanowire Field Effect Transistors: Principles and Applications by : Dae Mann Kim
Download or read book Nanowire Field Effect Transistors: Principles and Applications written by Dae Mann Kim and published by Springer Science & Business Media. This book was released on 2013-10-23 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Nanowire Field Effect Transistor: Basic Principles and Applications” places an emphasis on the application aspects of nanowire field effect transistors (NWFET). Device physics and electronics are discussed in a compact manner, together with the p-n junction diode and MOSFET, the former as an essential element in NWFET and the latter as a general background of the FET. During this discussion, the photo-diode, solar cell, LED, LD, DRAM, flash EEPROM and sensors are highlighted to pave the way for similar applications of NWFET. Modeling is discussed in close analogy and comparison with MOSFETs. Contributors focus on processing, electrostatic discharge (ESD) and application of NWFET. This includes coverage of solar and memory cells, biological and chemical sensors, displays and atomic scale light emitting diodes. Appropriate for scientists and engineers interested in acquiring a working knowledge of NWFET as well as graduate students specializing in this subject.
Book Synopsis Monte Carlo Device Simulation by : Karl Hess
Download or read book Monte Carlo Device Simulation written by Karl Hess and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monte Carlo simulation is now a well established method for studying semiconductor devices and is particularly well suited to highlighting physical mechanisms and exploring material properties. Not surprisingly, the more completely the material properties are built into the simulation, up to and including the use of a full band structure, the more powerful is the method. Indeed, it is now becoming increasingly clear that phenomena such as reliabil ity related hot-electron effects in MOSFETs cannot be understood satisfac torily without using full band Monte Carlo. The IBM simulator DAMOCLES, therefore, represents a landmark of great significance. DAMOCLES sums up the total of Monte Carlo device modeling experience of the past, and reaches with its capabilities and opportunities into the distant future. This book, therefore, begins with a description of the IBM simulator. The second chapter gives an advanced introduction to the physical basis for Monte Carlo simulations and an outlook on why complex effects such as collisional broadening and intracollisional field effects can be important and how they can be included in the simulations. References to more basic intro the book. The third chapter ductory material can be found throughout describes a typical relationship of Monte Carlo simulations to experimental data and indicates a major difficulty, the vast number of deformation poten tials required to simulate transport throughout the entire Brillouin zone. The fourth chapter addresses possible further extensions of the Monte Carlo approach and subtleties of the electron-electron interaction.
Book Synopsis Modeling Nanowire and Double-Gate Junctionless Field-Effect Transistors by : Farzan Jazaeri
Download or read book Modeling Nanowire and Double-Gate Junctionless Field-Effect Transistors written by Farzan Jazaeri and published by Cambridge University Press. This book was released on 2018-03 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed introduction to the design, modeling, and operation of junctionless field effect transistors (FETs), including advantages and limitations.
Book Synopsis Monte Carlo Simulation of Semiconductor Devices by : C. Moglestue
Download or read book Monte Carlo Simulation of Semiconductor Devices written by C. Moglestue and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particle simulation of semiconductor devices is a rather new field which has started to catch the interest of the world's scientific community. It represents a time-continuous solution of Boltzmann's transport equation, or its quantum mechanical equivalent, and the field equation, without encountering the usual numerical problems associated with the direct solution. The technique is based on first physical principles by following in detail the transport histories of indi vidual particles and gives a profound insight into the physics of semiconductor devices. The method can be applied to devices of any geometrical complexity and material composition. It yields an accurate description of the device, which is not limited by the assumptions made behind the alternative drift diffusion and hydrodynamic models, which represent approximate solutions to the transport equation. While the development of the particle modelling technique has been hampered in the past by the cost of computer time, today this should not be held against using a method which gives a profound physical insight into individual devices and can be used to predict the properties of devices not yet manufactured. Employed in this way it can save the developer much time and large sums of money, both important considerations for the laboratory which wants to keep abreast of the field of device research. Applying it to al ready existing electronic components may lead to novel ideas for their improvement. The Monte Carlo particle simulation technique is applicable to microelectronic components of any arbitrary shape and complexity.
Book Synopsis Full-band Monte Carlo Simulation of Electrons and Holes in Strained Si and SiGe by : Fabian M. Bufler
Download or read book Full-band Monte Carlo Simulation of Electrons and Holes in Strained Si and SiGe written by Fabian M. Bufler and published by Herbert Utz Verlag. This book was released on 1998 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis FinFETs and Other Multi-Gate Transistors by : J.-P. Colinge
Download or read book FinFETs and Other Multi-Gate Transistors written by J.-P. Colinge and published by Springer Science & Business Media. This book was released on 2008 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains the physics and properties of multi-gate field-effect transistors (MuGFETs), how they are made and how circuit designers can use them to improve the performances of integrated circuits. It covers the emergence of quantum effects due to the reduced size of the devices and describes the evolution of the MOS transistor from classical structures to SOI (silicon-on-insulator) and then to MuGFETs.
Book Synopsis Nanoscale Effects in Junctionless Field Effect Transistors by : Abdussamad Ahmed Muntahi
Download or read book Nanoscale Effects in Junctionless Field Effect Transistors written by Abdussamad Ahmed Muntahi and published by . This book was released on 2018 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Though the concept of junctionless field effect transistor (JLFET) is old, it was not possible to fabricate a useful JLFET device, as it requires a very shallow channel region. Very recently, the emergence of new and advanced technologies has made it possible to create viable JLFET devices using nanowires. This work aims to computationally investigate the interplay of quantum size-quantization and random dopant fluctuations (RDF) effects in nanoscale JLFETs. For this purpose, a 3-D fully atomistic quantum-corrected Monte Carlo device simulator has been integrated and used in this work. The size-quantization effect has been accounted for via a parameter-free effective potential scheme and benchmarked against the NEGF approach in the ballistic limit. To study the RDF effects and treat full Coulomb (electron-ion and electron-electron) interactions in the real-space and beyond the Poisson picture, the simulator implements a corrected-Coulomb electron dynamics (QC-ED) approach. The essential bandstructure and scattering parameters (energy bandgap, effective masses, and the density-of-states) have been computed using an atomistic 20-band nearest-neighbour sp 3d5s* tight-binding scheme. First, an experimental device was simulated to evaluate the validity of the simulator. Because of the small dimension, quantum mechanical confinement was found to be the dominant mechanism that significantly degrades the current drive capability of nanoscale JLFETs. Surface roughness scattering is not as prominent as observed in conventional MOSFETs. Also, because of its small size, the performance of the device is prone to the effect of variability, for which a discrete doping model was proved essential. Finally, a new JLFET was designed and optimized in this work. The proposed device is based on a gate-all-around silicon nanowire. Source/drain length is 32.5 nm and channel length is 14 nm. Gate contact length is 9 nm. The EOT (equivalent oxide thickness) is 1 nm. It has a metal gate with a workfunction of 4.55 eV. The source, channel and drain regions are n-type with a doping density of 1.5×1019 cm-3. Detailed simulation shows that the two most influential mechanisms that degrade the drive capability are quantum mechanical confinement and Coulomb scattering. Surface roughness scattering is found to be very weak. In addition, thinner nanowire is more prone to Coulomb scattering exhibiting a reduced ON-current (ION). Simulation results show that silicon nanowires with a side length (width and depth) of 3 nm and a doping density of 1.5×1019 cm-3 produce satisfactory drive current.
Book Synopsis Applications of Monte Carlo Methods in Biology, Medicine and Other Fields of Science by : Charles J. Mode
Download or read book Applications of Monte Carlo Methods in Biology, Medicine and Other Fields of Science written by Charles J. Mode and published by BoD – Books on Demand. This book was released on 2011-02-28 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is an eclectic mix of applications of Monte Carlo methods in many fields of research should not be surprising, because of the ubiquitous use of these methods in many fields of human endeavor. In an attempt to focus attention on a manageable set of applications, the main thrust of this book is to emphasize applications of Monte Carlo simulation methods in biology and medicine.
Book Synopsis Nanowire Transistors by : Jean-Pierre Colinge
Download or read book Nanowire Transistors written by Jean-Pierre Colinge and published by Cambridge University Press. This book was released on 2016-04-21 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: A self-contained and up-to-date account of the current developments in the physics and technology of nanowire semiconductor devices.
Book Synopsis Modeling and Performance Analysis of III-V Nanowire Field-Effect Transistors by : M. Abul Khayer
Download or read book Modeling and Performance Analysis of III-V Nanowire Field-Effect Transistors written by M. Abul Khayer and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Monte Carlo Method for Semiconductor Device Simulation by : Carlo Jacoboni
Download or read book The Monte Carlo Method for Semiconductor Device Simulation written by Carlo Jacoboni and published by Springer Science & Business Media. This book was released on 1989-10-30 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the application of the Monte Carlo method to the simulation of semiconductor devices, reviewing the physics of transport in semiconductors, followed by an introduction to the physics of semiconductor devices.
Book Synopsis Nanoelectronics for Next-Generation Integrated Circuits by : Rohit Dhiman
Download or read book Nanoelectronics for Next-Generation Integrated Circuits written by Rohit Dhiman and published by CRC Press. This book was released on 2022-11-23 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: The incessant scaling of complementary metal-oxide semiconductor (CMOS) technology has resulted in significant performance improvements in very-large-scale integration (VLSI) design techniques and system architectures. This trend is expected to continue in the future, but this requires breakthroughs in the design of nano-CMOS and post-CMOS technologies. Nanoelectronics refers to the possible future technologies beyond conventional CMOS scaling limits. This volume addresses the current state-of-the-art nanoelectronic technologies and presents potential options for next-generation integrated circuits. Nanoelectronics for Next-generation Integrated Circuits is a useful reference guide for researchers, engineers, and advanced students working on the frontier of the design and modeling of nanoelectronic devices and their integration aspects with future CMOS circuits. This comprehensive volume eloquently presents the design methodologies for spintronics memories, quantum-dot cellular automata, and post-CMOS FETs, including applications in emerging integrated circuit technologies.
Book Synopsis Nanowire Field-Effect Transistor (FET). by : Antonio García-Loureiro
Download or read book Nanowire Field-Effect Transistor (FET). written by Antonio García-Loureiro and published by . This book was released on 2021 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last few years, the leading semiconductor industries have introduced multi-gate non-planar transistors into their core business. These are being applied in memories and in logical integrated circuits to achieve better integration on the chip, increased performance, and reduced energy consumption. Intense research is underway to develop these devices further and to address their limitations, in order to continue transistor scaling while further improving performance. This Special Issue looks at recent developments in the field of nanowire field-effect transistors (NW-FETs), covering different aspects of the technology, physics, and modelling of these nanoscale devices.
Book Synopsis Semiconductor Nanowire Field-effect Transistors by : Anselmo Ontiveros
Download or read book Semiconductor Nanowire Field-effect Transistors written by Anselmo Ontiveros and published by . This book was released on 2006 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Full Band Ensemble Monte Carlo Simulation of Silicon Devices by : Christopher Heechang Lee
Download or read book Full Band Ensemble Monte Carlo Simulation of Silicon Devices written by Christopher Heechang Lee and published by . This book was released on 1994 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Monte Carlo simulator for silicon devices has been developed. The band structure data for this self-consistent device simulator were computed using the empirical pseudopotential method. The ensemble Monte Carlo technique used in the simulations is described in detail. A homogeneous simulator, based on the same transport physics, is used to calibrate the device simulator as well as to indicate the shortcomings of more traditional simulators such as drift-diffusion based models, hydrodynamic and energy balance based models, and nonparabolic band approximation Monte Carlo models. A conventional metal-oxide-semiconductor field effect transistor (MOSFET) is simulated as a test case to validate the simulator. Finally, a floating gate memory element (non-volatile memory) is also examined. In this simulation, the Monte Carlo simulator is used as a post-processor to PISCES IIB in the interest of execution time. Despite the lack of self-consistency and rigor, the simulator is able to produce results which are in good agreement with experimental data.
Book Synopsis Ensemble Monte Carlo Simulations of Ultra Sub-micron Metal-oxide-semiconductor-field-effect-transistors by : Gabriele F. Formicone
Download or read book Ensemble Monte Carlo Simulations of Ultra Sub-micron Metal-oxide-semiconductor-field-effect-transistors written by Gabriele F. Formicone and published by . This book was released on 2001 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
