Ab Initio Molecular Dynamics Simulation Of Diffusion In Silicon

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Ab Initio Molecular Dynamics Simulation Of Diffusion In Silicon

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Author : Beat Sahli
language : en
Publisher:
Release Date : 2007

Ab Initio Molecular Dynamics Simulation Of Diffusion In Silicon written by Beat Sahli and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Molecular dynamics categories.

Ab Initio Molecular Dynamics

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Author : Dominik Marx
language : en
Publisher: Cambridge University Press
Release Date : 2009-04-30

Ab Initio Molecular Dynamics written by Dominik Marx and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-30 with Science categories.

Ab initio molecular dynamics revolutionized the field of realistic computer simulation of complex molecular systems and processes, including chemical reactions, by unifying molecular dynamics and electronic structure theory. This book provides the first coherent presentation of this rapidly growing field, covering a vast range of methods and their applications, from basic theory to advanced methods. This fascinating text for graduate students and researchers contains systematic derivations of various ab initio molecular dynamics techniques to enable readers to understand and assess the merits and drawbacks of commonly used methods. It also discusses the special features of the widely used Car–Parrinello approach, correcting various misconceptions currently found in research literature. The book contains pseudo-code and program layout for typical plane wave electronic structure codes, allowing newcomers to the field to understand commonly used program packages and enabling developers to improve and add new features in their code.

C H N And O In Si And Characterization And Simulation Of Materials And Processes

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Author : A. Borghesi
language : en
Publisher: Newnes
Release Date : 2012-12-02

C H N And O In Si And Characterization And Simulation Of Materials And Processes written by A. Borghesi and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.

Containing over 200 papers, this volume contains the proceedings of two symposia in the E-MRS series. Part I presents a state of the art review of the topic - Carbon, Hydrogen, Nitrogen and Oxygen in Silicon and in Other Elemental Semiconductors. There was strong representation from the industrial laboratories, illustrating that the topic is highly relevant for the semiconductor industry.The second part of the volume deals with a topic which is undergoing a process of convergence with two concerns that are more particularly application oriented. Firstly, the advanced instrumentation which, through the use of atomic force and tunnel microscopies, high resolution electron microscopy and other high precision analysis instruments, now allows for direct access to atomic mechanisms. Secondly, the technological development which in all areas of applications, particularly in the field of microelectronics and microsystems, requires as a result of the miniaturisation race, a precise mastery of the microscopic mechanisms.

An Open Source Research Platform For Heterogeneous Systems On Chip

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Author : Andreas Dominic Kurth
language : en
Publisher: BoD – Books on Demand
Release Date : 2022-10-05

An Open Source Research Platform For Heterogeneous Systems On Chip written by Andreas Dominic Kurth and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-05 with Science categories.

Heterogeneous systems on chip (HeSoCs) combine general-purpose, feature-rich multi-core host processors with domain-specific programmable many-core accelerators (PMCAs) to unite versatility with energy efficiency and peak performance. By virtue of their heterogeneity, HeSoCs hold the promise of increasing performance and energy efficiency compared to homogeneous multiprocessors, because applications can be executed on hardware that is designed for them. However, this heterogeneity also increases system complexity substantially. This thesis presents the first research platform for HeSoCs where all components, from accelerator cores to application programming interface, are available under permissive open-source licenses. We begin by identifying the hardware and software components that are required in HeSoCs and by designing a representative hardware and software architecture. We then design, implement, and evaluate four critical HeSoC components that have not been discussed in research at the level required for an open-source implementation: First, we present a modular, topology-agnostic, high-performance on-chip communication platform, which adheres to a state-of-the-art industry-standard protocol. We show that the platform can be used to build high-bandwidth (e.g., 2.5 GHz and 1024 bit data width) end-to-end communication fabrics with high degrees of concurrency (e.g., up to 256 independent concurrent transactions). Second, we present a modular and efficient solution for implementing atomic memory operations in highly-scalable many-core processors, which demonstrates near-optimal linear throughput scaling for various synthetic and real-world workloads and requires only 0.5 kGE per core. Third, we present a hardware-software solution for shared virtual memory that avoids the majority of translation lookaside buffer misses with prefetching, supports parallel burst transfers without additional buffers, and can be scaled with the workload and number of parallel processors. Our work improves accelerator performance for memory-intensive kernels by up to 4×. Fourth, we present a software toolchain for mixed-data-model heterogeneous compilation and OpenMP offloading. Our work enables transparent memory sharing between a 64-bit host processor and a 32-bit accelerator at overheads below 0.7 % compared to 32-bit-only execution. Finally, we combine our contributions to a research platform for state-of-the-art HeSoCs and demonstrate its performance and flexibility.

An Event Driven Parallel Processing Subsystem For Energy Efficient Mobile Medical Instrumentation

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Author : Florian Stefan Glaser
language : en
Publisher: BoD – Books on Demand
Release Date : 2022-12-02

An Event Driven Parallel Processing Subsystem For Energy Efficient Mobile Medical Instrumentation written by Florian Stefan Glaser and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-02 with Technology & Engineering categories.

Aging population and the thereby ever-rising cost of health services call for novel and innovative solutions for providing medical care and services. So far, medical care is primarily provided in the form of time-consuming in-person appointments with trained personnel and expensive, stationary instrumentation equipment. As for many current and past challenges, the advances in microelectronics are a crucial enabler and offer a plethora of opportunities. With key building blocks such as sensing, processing, and communication systems and circuits getting smaller, cheaper, and more energy-efficient, personal and wearable or even implantable point-of-care devices with medicalgrade instrumentation capabilities become feasible. Device size and battery lifetime are paramount for the realization of such devices. Besides integrating the required functionality into as few individual microelectronic components as possible, the energy efficiency of such is crucial to reduce battery size, usually being the dominant contributor to overall device size. In this thesis, we present two major contributions to achieve the discussed goals in the context of miniaturized medical instrumentation: First, we present a synchronization solution for embedded, parallel near-threshold computing (NTC), a promising concept for enabling the required processing capabilities with an energy efficiency that is suitable for highly mobile devices with very limited battery capacity. Our proposed solution aims at increasing energy efficiency and performance for parallel NTC clusters by maximizing the effective utilization of the available cores under parallel workloads. We describe a hardware unit that enables fine-grain parallelization by greatly optimizing and accelerating core-to-core synchronization and communication and analyze the impact of those mechanisms on the overall performance and energy efficiency of an eight-core cluster. With a range of digital signal processing (DSP) applications typical for the targeted systems, the proposed hardware unit improves performance by up to 92% and 23% on average and energy efficiency by up to 98% and 39% on average. In the second part, we present a MCU processing and control subsystem (MPCS) for the integration into VivoSoC, a highly versatile single-chip solution for mobile medical instrumentation. In addition to the MPCS, it includes a multitude of analog front-ends (AFEs) and a multi-channel power management IC (PMIC) for voltage conversion. ...

Fighting Back The Von Neumann Bottleneck With Small And Large Scale Vector Microprocessors

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Author : Matheus Cavalcante
language : en
Publisher: BoD – Books on Demand
Release Date : 2023

Fighting Back The Von Neumann Bottleneck With Small And Large Scale Vector Microprocessors written by Matheus Cavalcante and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Computers categories.

In his seminal Turing Award Lecture, Backus discussed the issues stemming from the word-at-a-time style of programming inherited from the von Neumann computer. More than forty years later, computer architects must be creative to amortize the von Neumann Bottleneck (VNB) associated with fetching and decoding instructions which only keep the datapath busy for a very short period of time. In particular, vector processors promise to be one of the most efficient architectures to tackle the VNB, by amortizing the energy overhead of instruction fetching and decoding over several chunks of data. This work explores vector processing as an option to build small and efficient processing elements for large-scale clusters of cores sharing access to tightly-coupled L1 memory

Atomistic Aspects Of Epitaxial Growth

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Author : Miroslav Kotrla
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Atomistic Aspects Of Epitaxial Growth written by Miroslav Kotrla 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 2012-12-06 with Science categories.

Epitaxial growth lies at the heart of a wide range of industrial and technological applications. Recent breakthroughs, experimental and theoretical, allow actual atom-by-atom manipulation and an understanding of such processes, opening up a totally new area of unprecedented nanostructuring. The contributions to Atomistic Aspects of Epitaxial Growth are divided into five main sections, taking the reader from the atomistic details of surface diffusion to the macroscopic description of epitaxial systems. many of the papers contain substantial background material on theoretical and experimental methods, making the book suitable for both graduate students as a supplementary text in a course on epitaxial phenomena, and for professionals in the field.

Proceedings Of The Fourth International Symposium Of Process Physics And Modeling In Semiconductor Technology

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Author : G. R. Srinivasan
language : en
Publisher: The Electrochemical Society
Release Date : 1996

Proceedings Of The Fourth International Symposium Of Process Physics And Modeling In Semiconductor Technology written by G. R. Srinivasan and has been published by The Electrochemical Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Science categories.

Predictive Simulation Of Semiconductor Processing

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Author : Jarek Dabrowski
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

Predictive Simulation Of Semiconductor Processing written by Jarek Dabrowski 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 2013-03-09 with Technology & Engineering categories.

Predictive Simulation of Semiconductor Processing enables researchers and developers to extend the scaling range of semiconductor devices beyond the parameter range of empirical research. It requires a thorough understanding of the basic mechanisms employed in device fabrication, such as diffusion, ion implantation, epitaxy, defect formation and annealing, and contamination. This book presents an in-depth discussion of our current understanding of key processes and identifies areas that require further work in order to achieve the goal of a comprehensive, predictive process simulation tool.

Developments In Surface Contamination And Cleaning Types Of Contamination And Contamination Resources

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Author : Rajiv Kohli
language : en
Publisher: William Andrew
Release Date : 2016-11-21

Developments In Surface Contamination And Cleaning Types Of Contamination And Contamination Resources written by Rajiv Kohli and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-21 with Science categories.

Developments in Surface Contamination and Cleaning, Volume Ten, provides a state-of-the-art guide to the current knowledge on the behavior of film-type and particulate surface contaminants and their cleaning methods. This newest volume in the series discusses mechanisms of particle adhesion, particle behavior in liquid systems, and metallic contamination and its impact. In addition, the book includes a discussion of the types of contaminants, with resources to deal with them and information on environmental issues related to surface contamination and cleaning. Taken as a whole, the series forms a unique reference for professionals and academics working in the area of surface contamination and cleaning that also includes information on cleaning at the micro and nano scales. - Written by established experts in the contamination field that provide an authoritative resource - Presents a comprehensive review of new trends in contaminants and resources for dealing with those contaminants - Contains detailed case studies to illustrate various scenarios