Internal Pressure And Surface Tension Of Bare And Hydrogen Coated Silicon Nanoparticles

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Internal Pressure and Surface Tension of Bare and Hydrogen Coated Silicon Nanoparticles

Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (742 download)

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Book Synopsis Internal Pressure and Surface Tension of Bare and Hydrogen Coated Silicon Nanoparticles by :

Download or read book Internal Pressure and Surface Tension of Bare and Hydrogen Coated Silicon Nanoparticles written by and published by . This book was released on 2004 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a study of internal pressure and surface tension of bare and hydrogen coated silicon nanoparticles of 2-10 nm diameter as a function of temperature, using molecular dynamics simulations employing a reparametrized Kohen-Tully-Stillinger interatomic potential. The internal pressure was found to increase with decreasing particle size but the density was found to be independent of the particle size. We showed that for covalent bond structures, changes in surface curvature and the associated surface forces were not sufficient to significantly change bond lengths and angles. Thus, the surface tension was also found to be independent of the particle size. Surface tension was found to decrease with increasing particle temperature while the internal pressure did not vary with temperature. The presence of hydrogen on the surface of a particle significantly reduces surface tension ^e.g., drops from 0.83 J/m2 to 0.42 J/m2 at 1500 K). The computed pressure of bare and coated particles was found to follow the classical Laplace-Young equation.

Emerging Materials and Environment

Author : Manoj Shukla
Publisher : Springer Nature
ISBN 13 : 3031394704
Total Pages : 331 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Emerging Materials and Environment by : Manoj Shukla

Download or read book Emerging Materials and Environment written by Manoj Shukla and published by Springer Nature. This book was released on 2023-10-18 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This contributed volume presents chapters integrating experimental and computational advances in materials research and discusses how the potential release of emerging materials would impact the environment. With increasing populations, there is a growing pressure on resources and the environment to provide food, water, and energy. Innovative materials and novel technologies, such as nanocomposite and multifunctional materials, additive manufacturing, and remediation technologies, are constantly being developed to meet these demands. As technologies mature some potentially harmful materials will find their way into the environment. Depending on their environmental persistence, such as “forever chemicals” per- and polyfluoroalkyl substances (PFAS), some of the emerging materials may become a major environmental challenge. This book covers a broad spectrum of topics related to the recent advances and future directions in emerging materials research, molecular simulations, machine learning and QSAR approaches for environmental contaminants, advanced materials for water purification, remediation technologies of PFAS, and life-cycle assessment of materials. It offers an invaluable resource for postgraduate students and researchers in academia, industry, and different laboratories interested in the field.

Physical and Chemical Characterization of Energetic Nano-materials Via Theoretical Modeling and Spectrochemical Analysis

Author : Dibyendu Mukherjee
Publisher :
ISBN 13 :
Total Pages : 472 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Physical and Chemical Characterization of Energetic Nano-materials Via Theoretical Modeling and Spectrochemical Analysis by : Dibyendu Mukherjee

Download or read book Physical and Chemical Characterization of Energetic Nano-materials Via Theoretical Modeling and Spectrochemical Analysis written by Dibyendu Mukherjee and published by . This book was released on 2005 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photon Processing in Microelectronics and Photonics

Author :
Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Photon Processing in Microelectronics and Photonics by :

Download or read book Photon Processing in Microelectronics and Photonics written by and published by . This book was released on 2007 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Microscale Surface Tension and Its Applications

Author : Pierre Lambert
Publisher : MDPI
ISBN 13 : 3039215647
Total Pages : 240 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Microscale Surface Tension and Its Applications by : Pierre Lambert

Download or read book Microscale Surface Tension and Its Applications written by Pierre Lambert and published by MDPI. This book was released on 2019-10-21 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on advances in miniaturization and soft matter, surface tension effects are a major key to the development of soft/fluidic microrobotics. Benefiting from scaling laws, surface tension and capillary effects can enable sensing, actuation, adhesion, confinement, compliance, and other structural and functional properties necessary in micro- and nanosystems. Various applications are under development: microfluidic and lab-on-chip devices, soft gripping and manipulation of particles, colloidal and interfacial assemblies, fluidic/droplet mechatronics. The capillary action is ubiquitous in drops, bubbles and menisci, opening a broad spectrum of technological solutions and scientific investigations. Identified grand challenges to the establishment of fluidic microrobotics include mastering the dynamics of capillary effects, controlling the hysteresis arising from wetting and evaporation, improving the dispensing and handling of tiny droplets, and developing a mechatronic approach for the control and programming of surface tension effects. In this Special Issue of Micromachines, we invite contributions covering all aspects of microscale engineering relying on surface tension. Particularly, we welcome contributions on fundamentals or applications related to: Drop-botics: fluidic or surface tension-based micro/nanorobotics: capillary manipulation, gripping, and actuation, sensing, folding, propulsion and bio-inspired solutions; Control of surface tension effects: surface tension gradients, active surfactants, thermocapillarity, electrowetting, elastocapillarity; Handling of droplets, bubbles and liquid bridges: dispensing, confinement, displacement, stretching, rupture, evaporation; Capillary forces: modelling, measurement, simulation; Interfacial engineering: smart liquids, surface treatments; Interfacial fluidic and capillary assembly of colloids and devices; Biological applications of surface tension, including lab-on-chip and organ-on-chip systems.

Micromechanics of Defects in Solids

Author : T. Mura
Publisher : Springer Science & Business Media
ISBN 13 : 9789024732562
Total Pages : 616 pages
Book Rating : 4.7/5 (325 download)

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Book Synopsis Micromechanics of Defects in Solids by : T. Mura

Download or read book Micromechanics of Defects in Solids written by T. Mura and published by Springer Science & Business Media. This book was released on 1987-11-30 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book stems from a course on Micromechanics that I started about fifteen years ago at Northwestern University. At that time, micromechanics was a rather unfamiliar subject. Although I repeated the course every year, I was never convinced that my notes have quite developed into a final manuscript because new topics emerged constantly requiring revisions, and additions. I finally came to realize that if this is continued, then I will never complete the book to my total satisfaction. Meanwhile, T. Mori and I had coauthored a book in Japanese, entitled Micromechanics, published by Baifu-kan, Tokyo, in 1975. It received an extremely favorable response from students and re searchers in Japan. This encouraged me to go ahead and publish my course notes in their latest version, as this book, which contains further development of the subject and is more comprehensive than the one published in Japanese. Micromechanics encompasses mechanics related to microstructures of materials. The method employed is a continuum theory of elasticity yet its applications cover a broad area relating to the mechanical behavior of materi als: plasticity, fracture and fatigue, constitutive equations, composite materi als, polycrystals, etc. These subjects are treated in this book by means of a powerful and unified method which is called the 'eigenstrain method. ' In particular, problems relating to inclusions and dislocations are most effectively analyzed by this method, and therefore, special emphasis is placed on these topics.

Fundamentals and Applications of Nano Silicon in Plasmonics and Fullerines

Author : Munir H. Nayfeh
Publisher : Elsevier
ISBN 13 : 0323480586
Total Pages : 604 pages
Book Rating : 4.3/5 (234 download)

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Book Synopsis Fundamentals and Applications of Nano Silicon in Plasmonics and Fullerines by : Munir H. Nayfeh

Download or read book Fundamentals and Applications of Nano Silicon in Plasmonics and Fullerines written by Munir H. Nayfeh and published by Elsevier. This book was released on 2018-06-29 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals and Applications of Nano Silicon in Plasmonics and Fullerines: Current and Future Trends addresses current and future trends in the application and commercialization of nanosilicon. The book presents current, innovative and prospective applications and products based on nanosilicon and their binary system in the fields of energy harvesting and storage, lighting (solar cells and nano-capacitor and fuel cell devices and nanoLEDs), electronics (nanotransistors and nanomemory, quantum computing, photodetectors for space applications; biomedicine (substance detection, plasmonic treatment of disease, skin and hair care, implantable glucose sensor, capsules for drug delivery and underground water and oil exploration), and art (glass and pottery). Moreover, the book includes material on the use of advanced laser and proximal probes for imaging and manipulation of nanoparticles and atoms. In addition, coverage is given to carbon and how it contrasts and integrates with silicon with additional related applications. This is a valuable resource to all those seeking to learn more about the commercialization of nanosilicon, and to researchers wanting to learn more about emerging nanosilicon applications. Features a variety of designs and operation of nano-devices, helping engineers to make the best use of nanosilicon Contains underlying principles of how nanomaterials work and the variety of applications they provide, giving those new to nanosilicon a fundamental understanding Assesses the viability of various nanoslicon devices for mass production and commercialization, thereby providing an important source of information for engineers

Wetting and Wettability

Author : Mahmood Aliofkhazraei
Publisher : BoD – Books on Demand
ISBN 13 : 9535122150
Total Pages : 386 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Wetting and Wettability by : Mahmood Aliofkhazraei

Download or read book Wetting and Wettability written by Mahmood Aliofkhazraei and published by BoD – Books on Demand. This book was released on 2015-12-16 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: On the liquid 's surface, the molecules have fewer neighbors in comparison with the bulk volume. As a result, the energy interaction shows itself in the surface tension. Traditionally, the surface tension can be assumed as a force in the unit of the length which can be counted by the unit of Newton on squared meter, or energy on the units of the surface. The surface tension, implies the interface between liquid and vapor, which is an example of the surface tensions. The equilibrium between these surface tensions, decides that a droplet on a solid surface, would have a droplet form or will change to layer form. This book collects new developments in wetting and wettability science.

Porosity

Author : Taher Ghrib
Publisher : BoD – Books on Demand
ISBN 13 : 178923042X
Total Pages : 248 pages
Book Rating : 4.7/5 (892 download)

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Book Synopsis Porosity by : Taher Ghrib

Download or read book Porosity written by Taher Ghrib and published by BoD – Books on Demand. This book was released on 2018-04-26 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses multiways in the porous materials. It involves materials with a large number of holes, and it highlights the synthesis, structure, and surface properties of porous materials closely related to more applications, such as support, catalyst, energy storage, chemical reactions, and optical applications. It studies the effect of the filling materials, the thermal treatments, and the porous density in the improvement of physical properties, electrical and energy efficiency, and the generation of new materials. Some synthetic process will be discussed with the effect of some parameters on the final characteristics of the prepared porous structures.

Hydrogen in Metals: Application-oriented properties

Author : G. Alefeld
Publisher :
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Hydrogen in Metals: Application-oriented properties by : G. Alefeld

Download or read book Hydrogen in Metals: Application-oriented properties written by G. Alefeld and published by . This book was released on 1978 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Laser Ablation in Liquids

Author : Guowei Yang
Publisher : CRC Press
ISBN 13 : 9814241520
Total Pages : 1166 pages
Book Rating : 4.8/5 (142 download)

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Book Synopsis Laser Ablation in Liquids by : Guowei Yang

Download or read book Laser Ablation in Liquids written by Guowei Yang and published by CRC Press. This book was released on 2012-02-22 with total page 1166 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the fundamental concepts and physical and chemical aspects of pulsed laser ablation of solid targets in liquid environments and its applications in the preparation of nanomaterials and fabrication of nanostructures. The areas of focus include basic thermodynamic and kinetic processes of laser ablation in liquids, and its applic

Nanosilicon

Author : Vijay Kumar
Publisher : Elsevier
ISBN 13 : 0080549519
Total Pages : 385 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Nanosilicon by : Vijay Kumar

Download or read book Nanosilicon written by Vijay Kumar and published by Elsevier. This book was released on 2011-07-28 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Properties of nanosilicon in the form of nanoparticles, nanowires, nanotubes, and as porous material are of great interest. They can be used in finding suitable components for future miniature devices, and for the more exciting possibilities of novel optoelectronic applications due to bright luminescence from porous silicon, nanoparticles and nanowires. New findings from research into metal encapsulated clusters, silicon fullerenes and nanotubes have opened up a new paradigm in nanosilicon research and this could lead to large scale production of nanoparticles with control on size and shape as well as novel quasi one-dimensional structures. There are possibilities of using silicon as an optical material and in the development of a silicon laser. In Nanosilicon, leading experts cover state-of-the-art experimental and theoretical advances in the different forms of nanosilicon. Furthermore, applications of nanosilicon to single electron transistors, as photonic material, chemical and biological sensors at molecular scale, and silicon nanowire devices are also discussed. Self-assemblies of silicon nanoforms are important for applications. These developments are also related to cage structures of silicon in clathrates. With an interesting focus on the bottlenecks in the advancement of silicon based technology, this book provides a much-needed overview of the current state of understanding of nanosilicon research. Latest developments in nanoparticles, nanowires and nanotubes of silicon Focus on nanosilicon - a very timely subject attracting large interest Novel chapters on metal encapsulated silicon clusters and nanotubes

Intermolecular and Surface Forces

Author : Jacob N. Israelachvili
Publisher : Academic Press
ISBN 13 : 0123919339
Total Pages : 708 pages
Book Rating : 4.1/5 (239 download)

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Book Synopsis Intermolecular and Surface Forces by : Jacob N. Israelachvili

Download or read book Intermolecular and Surface Forces written by Jacob N. Israelachvili and published by Academic Press. This book was released on 2011-07-22 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intermolecular and Surface Forces describes the role of various intermolecular and interparticle forces in determining the properties of simple systems such as gases, liquids and solids, with a special focus on more complex colloidal, polymeric and biological systems. The book provides a thorough foundation in theories and concepts of intermolecular forces, allowing researchers and students to recognize which forces are important in any particular system, as well as how to control these forces. This third edition is expanded into three sections and contains five new chapters over the previous edition. Starts from the basics and builds up to more complex systems Covers all aspects of intermolecular and interparticle forces both at the fundamental and applied levels Multidisciplinary approach: bringing together and unifying phenomena from different fields This new edition has an expanded Part III and new chapters on non-equilibrium (dynamic) interactions, and tribology (friction forces)

Physics and Chemistry of Interfaces

Author : Hans-Jürgen Butt
Publisher : John Wiley & Sons
ISBN 13 : 3527836160
Total Pages : 485 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Physics and Chemistry of Interfaces by : Hans-Jürgen Butt

Download or read book Physics and Chemistry of Interfaces written by Hans-Jürgen Butt and published by John Wiley & Sons. This book was released on 2023-02-07 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics and Chemistry of Interfaces Comprehensive textbook on the interdisciplinary field of interface science, fully updated with new content on wetting, spectroscopy, and coatings Physics and Chemistry of Interfaces provides a comprehensive introduction to the field of surface and interface science, focusing on essential concepts rather than specific details, and on intuitive understanding rather than convoluted math. Numerous high-end applications from surface technology, biotechnology, and microelectronics are included to illustrate and help readers easily comprehend basic concepts. The new edition contains an increased number of problems with detailed, worked solutions, making it ideal as a self-study resource. In topic coverage, the highly qualified authors take a balanced approach, discussing advanced interface phenomena in detail while remaining comprehensible. Chapter summaries with the most important equations, facts, and phenomena are included to aid the reader in information retention. A few of the sample topics included in Physics and Chemistry of Interfaces are as follows: Liquid surfaces, covering microscopic picture of a liquid surface, surface tension, the equation of Young and Laplace, and curved liquid surfaces Thermodynamics of interfaces, covering surface excess, internal energy and Helmholtz energy, equilibrium conditions, and interfacial excess energies Charged interfaces and the electric double layer, covering planar surfaces, the Grahame equation, and limitations of the Poisson-Boltzmann theory Surface forces, covering Van der Waals forces between molecules, macroscopic calculations, the Derjaguin approximation, and disjoining pressure Physics and Chemistry of Interfaces is a complete reference on the subject, aimed at advanced students (and their instructors) in physics, material science, chemistry, and engineering. Researchers requiring background knowledge on surface and interface science will also benefit from the accessible yet in-depth coverage of the text.

Synthesis of Inorganic Nanomaterials

Author : Sneha Bhagyaraj
Publisher : Woodhead Publishing
ISBN 13 : 0081019769
Total Pages : 314 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Synthesis of Inorganic Nanomaterials by : Sneha Bhagyaraj

Download or read book Synthesis of Inorganic Nanomaterials written by Sneha Bhagyaraj and published by Woodhead Publishing. This book was released on 2018-06-29 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis of Inorganic Nanomaterials: Advances and Key Technologies discusses the latest advancements in the synthesis of various types of nanomaterials. The book's main objective is to provide a comprehensive review regarding the latest advances in synthesis protocols that includes up-to-date data records on the synthesis of all kinds of inorganic nanostructures using various physical and chemical methods. The synthesis of all important nanomaterials, such as carbon nanostructures, Core-shell Quantum dots, Metal and metal oxide nanostructures, Nanoferrites, polymer nanostructures, nanofibers, and smart nanomaterials are discussed, making this a one-stop reference resource on research accomplishments in this area. Leading researchers from industry, academia, government and private research institutions across the globe have contributed to the book. Academics, researchers, scientists, engineers and students working in the field of polymer nanocomposites will benefit from its solutions for material problems. Provides an up-to-date data record on the synthesis of all kinds of organic and inorganic nanostructures using various physical and chemical methods Presents the latest advances in synthesis protocols Includes the latest techniques used in the physical and chemical characterization of nanomaterials Covers the characterization of all the important materials groups, such as carbon nanostructures, core-shell quantum dots, metal and metal oxide nanostructures, Nano ferrites, polymer nanostructures and nanofibers

Superhydrophobic Surfaces

Author : Mehdi Khodaei
Publisher :
ISBN 13 : 1838805974
Total Pages : 132 pages
Book Rating : 4.8/5 (388 download)

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Book Synopsis Superhydrophobic Surfaces by : Mehdi Khodaei

Download or read book Superhydrophobic Surfaces written by Mehdi Khodaei and published by . This book was released on 2020-07 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Properties of Water and Their Role in Colloidal and Biological Systems

Author : Carel J. Van Oss
Publisher : Academic Press
ISBN 13 : 0123743036
Total Pages : 239 pages
Book Rating : 4.1/5 (237 download)

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Book Synopsis The Properties of Water and Their Role in Colloidal and Biological Systems by : Carel J. Van Oss

Download or read book The Properties of Water and Their Role in Colloidal and Biological Systems written by Carel J. Van Oss and published by Academic Press. This book was released on 2008-11-19 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book also treats the surface properties of apolar and polar molecules, polymers, particles and cells, as well as their mutual interaction energies, when immersed in water, under the influence of the three prevailing non-covalent forces, i.e., Lewis acid-base (AB), Lifshitz-van der Waals (LW) and electrical double layer (EL) interactions. The polar AB interactions, be they attractive or repulsive, typically represent up to 90% of the total interaction energies occurring in water. Thus the addition of AB energies to the LW + EL energies of the classical DLVO theory of energy vs. distance analysis makes this powerful tool (the Extended DLVO theory) applicable to the quantitative study of the stability of particle suspensions in water.-