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Recent Advances in Novel Materials for Future Spintronics

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ISBN: 9783038979760 / 9783038979777 Year: Pages: 152 DOI: 10.3390/books978-3-03897-977-7 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General)
Added to DOAB on : 2019-06-26 08:44:06
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As we all know, electrons carry both charge and spin. The processing of information in conventional electronic devices is based only on the charge of electrons. Spin electronics, or spintronics, uses the spin of electrons, as well as their charge, to process information. Metals, semiconductors, and insulators are the basic materials that constitute the components of electronic devices, and these types of materials have been transforming all aspects of society for over a century. In contrast, magnetic metals, half-metals (including zero-gap half-metals), magnetic semiconductors (including spin-gapless semiconductors), dilute magnetic semiconductors, and magnetic insulators are the materials that will form the basis for spintronic devices. This book aims to collect a range of papers on novel materials that have intriguing physical properties and numerous potential practical applications in spintronics.

DevOps for Digital Leaders: Reignite Business with a Modern DevOps-Enabled Software Factory

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ISBN: 9781484218419 9781484218426 Year: Pages: 173 DOI: https://doi.org/10.1007/978-1-4842-1842-6 Language: English
Publisher: Apress Grant: CA Technologies
Subject: Computer Science
Added to DOAB on : 2018-07-20 17:59:08
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Learn to design, implement, measure, and improve DevOps programs that are tailored to your organization. This concise guide assists leaders who are accountable for the rapid development of high-quality software applications.In DevOps for Digital Leaders, deep collective experience on both sides of the dev–ops divide informs the global thought leadership and penetrating insights of the authors, all three of whom are cross-portfolio DevOps leaders at CA Technologies. Aruna Ravichandran, Kieran Taylor, and Peter Waterhouse analyze the organizational benefits, costs, freedoms, and constraints of DevOps. They chart the coordinated strategy of organizational change, metrics, lean thinking, and investment that an enterprise must undertake to realize the full potential of DevOps and reach the sweet spot where accelerating code deployments drive increasing customer satisfaction, revenue, and profitability. Digital leaders are charged to bridge the dev–ops disconnect if their organizations are to survive and flourish in a business world increasingly differentiated by the degree to which dynamic application software development harmonizes with operational resilience and reliability. This short book applies the DevOps perspective to the competitive challenge, faced by every high-performance IT organization today, of integrating and automating open source, cloud, and enterprise tools, processes, and techniques across the software development life cycle from requirements to release.What You Will Learn:Remove dependencies and constraints so that parallel practices can accelerate the development of defect-free softwareAutomate continuous delivery across the software life cycle to eliminate release bottlenecks, manual labor waste, and technical debt accumulationGenerate virtualized production-style testing of applications through real-time behavioral analyticsAdopt agile practices so operations teams can support developer productivity with automated feedback, streamline infrastructure monitoring, spot and resolve operations issues before they impact production, and improve customer experienceIdentify the DevOps metrics appropriate to your organization and integrate DevOps with your existing best practices and investmentWho This Book Is For:IT leaders in large companies and government agencies who have any level of responsibility for the rapid development of high-quality software applications. The secondary readership is members of development and operations teams, security professionals, and service managers.

Advances in Computer Simulation Studies on Crystal Growth

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ISBN: 9783038973560 9783038973577 Year: Pages: 206 DOI: 10.3390/books978-3-03897-357-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2018-11-16 11:51:21
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Crystals are indispensable in technology, nature, and our daily lives. For example, cooking uses many kinds of crystallized products, such as salt, sugar, and fat crystals; electronic devices contain semiconductor crystals; living organisms produce mineral crystals to maintain biological processes; and snow and ice crystals play a crucial role in climate change. For these and other topics related to crystals, an especially important area of research is crystal growth. Computer simulations of crystal growth have become increasingly important as a result of rapid increases in available computing power. Computer simulations can analyze and predict various aspects of crystal growth, including molecular-scale growth and nucleation mechanisms, the structure and dynamics of surfaces and interfaces, and pattern formation. This book presents state-of-the-art research and reviews of computer simulation studies on crystal growth for hard-sphere particles, organic molecules, ice, and functional materials. The studies use a variety of simulation methodologies, including molecular simulations, first-principles simulations, continuum simulations, and multiscale simulations. This book will interest graduate students and researchers in crystal growth science and technology and will provide a helpful reference for scientists who want to familiarize themselves with computer simulations of crystal growth.

First-Principles Approaches to Metals, Alloys, and Metallic Compounds

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ISBN: 9783038973584 9783038973591 Year: Pages: 180 DOI: 10.3390/books978-3-03897-359-1 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Mining and Metallurgy --- Chemistry (General)
Added to DOAB on : 2018-11-26 11:24:24
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Current fundamental electronic-structure theory allows for the accurate prediction and characterization of elemental metals adopting any allotropic structure, intermetallic compounds, and other metal-rich phases. From an engineering perspective, there is a need for structural materials that are suitable for mechanical and civil engineering as well as energy production and conversion. While different microstructural features influence the macroscopic behaviour, quantum-mechanical simulation may enormously accelerate and guide the entire development process since atomistic modelling allows for the generation of structural models and the calculation of enthalpies and other free energies as a function of pressure and temperature. Among other things, this volume covers high-manganese steels, some of which have come to light within Collaborative Research Centre 761 (“Steel ab initio”). In particular, it deals with short-range ordering from experiment and theory, also highlighting carbide-like precipitates, and it bridges the gap between atomistic and continuum levels, in particular for hydrogen embrittlement. Molecular dynamics simulates crack propagation, and first-principles theory helps in growing better intermetallic thin films and predicts structural and elastic properties. Eventually, multiscale modelling of hydrogen transport is provided, and the chemical reasons for H-trapping κ-carbides are highlighted. First-principles theory has acquired a powerful role in the fundamental and applied research of metals, alloys, and metallic compounds.

Computational Methods of Multi-Physics Problems

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ISBN: 9783039214174 / 9783039214181 Year: Pages: 128 DOI: 10.3390/books978-3-03921-418-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:15
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This book offers a collection of six papers addressing problems associated with the computational modeling of multi-field problems. Some of the proposed contributions present novel computational techniques, while other topics focus on applying state-of-the-art techniques in order to solve coupled problems in various areas including the prediction of material failure during the lithiation process, which is of major importance in batteries; efficient models for flexoelectricity, which require higher-order continuity; the prediction of composite pipes under thermomechanical conditions; material failure in rock; and computational materials design. The latter exploits nano-scale modeling in order to predict various material properties for two-dimensional materials with applications in, for example, semiconductors. In summary, this book provides a good overview of the computational modeling of different multi-field problems.

First-Principles Prediction of Structures and Properties in Crystals

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ISBN: 9783039216703 / 9783039216710 Year: Pages: 128 DOI: 10.3390/books978-3-03921-671-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General)
Added to DOAB on : 2019-12-09 16:10:12
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The term “first-principles calculations” is a synonym for the numerical determination of the electronic structure of atoms, molecules, clusters, or materials from ‘first principles’, i.e., without any approximations to the underlying quantum-mechanical equations. Although numerous approximate approaches have been developed for small molecular systems since the late 1920s, it was not until the advent of the density functional theory (DFT) in the 1960s that accurate “first-principles” calculations could be conducted for crystalline materials. The rapid development of this method over the past two decades allowed it to evolve from an explanatory to a truly predictive tool. Yet, challenges remain: complex chemical compositions, variable external conditions (such as pressure), defects, or properties that rely on collective excitations—all represent computational and/or methodological bottlenecks. This Special Issue comprises a collection of papers that use DFT to tackle some of these challenges and thus highlight what can (and cannot yet) be achieved using first-principles calculations of crystals.

Natural Stone and Architectural Heritage

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ISBN: 9783039215508 / 9783039215515 Year: Pages: 262 DOI: 10.3390/books978-3-03921-551-5 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General)
Added to DOAB on : 2019-12-09 11:49:15
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This book is made up of contributions dealing with heritage stones from different countries around the world. The stones are described, as well as their use in vernacular and contemporaneous architecture. Heritage stones are those stones that have special significance in human culture. Examples include some very important stones that have been either neglected because they are no longer extracted, or stones that have great significance in commercial terms but knowledge of their national and/or international heritage has not been well documented. In this collection of articles, we have tried to spread awareness of architectural heritage around the world, the natural stones that have been used in its construction, and the need to preserve historical quarries that once provided the source of such stones. Historical quarries are linked to regional culture and tradition. Because of the specific technical and aesthetical characteristics of heritage stones, which have lasted for centuries, these historical quarries should be preserved to be able to use the stones for the proper restoration of monuments and historical buildings to avoid negative actions that can be observed in many places in the restoration of buildings, which are some times part of World Heritage sites. The final intention of this book is to continuosly grow the interest on this fascinating subject of heritage stones.

Keywords

Gyeongju Historic Areas --- 2016 Gyeongju Earthquake --- site characterisation --- site-specific ground response analysis --- stone architectural heritage --- dynamic centrifuge test --- Cheomseongdae --- ancient seismic design technique --- serpentinites --- rocks characterization --- dimension stone --- architectural heritage --- pyroclastic rock --- dimension stone --- Sardinia --- geoheritage --- market --- houses based on natural stone --- architectural heritage --- the bay of Kotor --- UNESCO cultural heritage --- Studenica --- Sopo?ani --- marble deposits --- quarry characterisation --- restoration --- sustainability --- management --- cultural heritage conservation --- sustainability --- architectural conservation --- stone architecture heritage --- modern principles of double-layered ventilated roofs --- conservation requirements --- UNESCO World Heritage List --- marble --- wettability properties --- hydrophobicity --- laser surface texturing --- multiscale roughness --- cultural heritage --- ultrafast pulse laser --- dolostone --- quarries --- Coimbra Formation --- heritage --- Chianocco marble --- heritage stone --- archaeometry --- Western Alps --- isotopic analysis --- SEM-EDS --- heritage stone --- quartzite --- Bargiolina --- quarries --- dimension stone --- kaolin --- industrial minerals --- natural stone --- fracturing pattern --- quarrying --- geoheritage --- Unesco World Heritage Site --- building stones --- Guadeloupe --- Martinique --- French West Indies --- eastern Caribbean --- cultural heritage --- geological heritage --- historical and Archaeological sites --- Candoglia marble --- Duomo di Milano --- petrographic analysis --- geoheritage --- cultural stone

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