Category: Nanotechnology

By Glen E Fryxell, Guozhong Cao

This quantity is anxious with useful nanomaterials: fabrics containing particular, predictable nanostructure whose chemical composition or interfacial constitution permit them to accomplish a particular task - spoil, sequester or become aware of a few fabric that constitutes an environmental hazard. Nanomaterials have a few positive factors that lead them to best for this task: excessive floor sector, excessive reactivity, effortless dispersability, and speedy diffusion. the aim of this publication is to exhibit how those positive factors will be adapted to deal with many of the environmental remediation and sensing/detection difficulties confronted at the present time. The major researchers contributing to this quantity paint an image of numerous man made thoughts, buildings, fabrics and techniques. The ebook is equipped into sections on nanoparticle-based remediation recommendations, nanostructured inorganic fabrics (such as layered fabrics just like the apatites), nanostructured organic/inorganic hybrid fabrics, and using nanomaterials to reinforce the functionality of sensors. The chemistries captured through the members shape a wealthy and colourful tapestry.

By Rolando M.A. Roque-Malherbe, Rolando Roque-Malherbe

As nanomaterials get smaller, their houses more and more diverge from their bulk fabric opposite numbers. Written from a fabrics technology point of view, Adsorption and Diffusion in Nanoporous fabrics describes the method for utilizing single-component fuel adsorption and diffusion measurements to represent nanoporous solids. Concise, but entire, the booklet covers either equilibrium adsorption and adsorption kinetics in dynamic platforms in one resource. It provides the theoretical and mathematical instruments for studying microporosity, kinetics, thermodynamics, and shipping strategies of the adsorbent floor. Then it examines how those measurements elucidate structural and morphological features of the fabrics. specific descriptions of the phenomena contain diagrams, crucial equations, and completely derived, concrete examples in accordance with the author's personal learn studies and perception. The booklet comprises chapters on statistical physics, dynamic adsorption in plug move mattress reactors, and the synthesis and amendment of significant nanoporous fabrics. the ultimate bankruptcy covers the rules and purposes of adsorption for multicomponent platforms within the liquid section. Connecting contemporary advances in adsorption characterization with advancements within the shipping and diffusion of nanoporous fabrics, this ebook is perfect for scientists fascinated about the examine, improvement, and purposes of latest nanoporous fabrics.

By Herbert Kroemer (auth.), Serge Luryi, Jimmy Xu, Alex Zaslavsky (eds.)

Silicon expertise has constructed alongside almost one unmarried line: decreasing the minimum dimension of lithographic positive factors. yet has this taken us to the purpose of diminishing returns? Are we now at a turning aspect within the logical evolution of microelectronics? a few think that the semiconductor microelectronics has matured: the study online game is over (comparisons with the metal are being made). Others think that qualitative development in know-how will come roaring again, according to cutting edge examine.
This debate, lively because it is, is mirrored within the pages of FutureTrends in Microelectronics, the place such questions are mentioned. what sort of examine does the silicon have to proceed its enlargement? what's the technical restrict to shrinking Si units? Is there any monetary feel in pursuing this restrict? What are the main appealing purposes of optoelectronic hybrid platforms? Are there any eco-friendly pastures past the normal semiconductor applied sciences? determining the situation for the long run evolution of microelectronics will current a massive chance for positive motion today.

By Hilan N., Al-Zoubi H., Darwish N.A.

Nanofiltration membranes (NF) have functions in different components. one of many major functions has been in water remedy for ingesting water creation in addition to wastewater remedy. NF can both be used to regard every kind of water together with flooring, floor, and wastewater or used as a pretreatment for desalination. The advent of NF as a pretreatment is taken into account a step forward for the desalination procedure. NF membranes were proven with a purpose to eliminate turbidity, microorganisms and hardness, in addition to a fragment of the dissolved salts. This leads to a considerably reduce working strain and therefore offers a way more energy-efficient technique. just like different membrane strategies, a massive challenge in NF membrane functions is fouling. a number of stories have investigated the mechanisms of fouling in NF membranes and advised easy methods to reduce and keep an eye on the fouling of NF membranes. For NF membrane characterizations and strategy prediction, modeling of NF approaches and using atomic strength microscopy (AFM) are vitally important. the power to foretell the functionality of NF tactics will result in a reduce variety of experiments, saving of money and time, and aid to appreciate the separation mechanisms in the course of NF. A finished overview of NF in water remedies is gifted together with a overview of the purposes of NF in treating water in addition to within the pretreatment method for desalination; the mechanism in addition to minimization of NF membrane fouling difficulties; and theories for modelling and delivery of salt, charged and noncharged natural compounds in NF membranes. The overview also will tackle the applying of AFM in learning the morphology of membrane surfaces as a part of the NF membrane characterization.

By Natalya A. Zimbovskaya

A complete evaluate of the actual mechanisms that keep watch over electron shipping and the features of metal-molecule-metal (MMM) junctions. so far as attainable, equipment and formalisms awarded somewhere else to investigate electron shipping via molecules are refrained from. This identify introduces easy concepts--a description of the electron delivery via molecular junctions—and in brief describes suitable experimental tools. Theoretical equipment popular to investigate the electron delivery via molecules are offered. quite a few results that happen within the electron shipping via MMMs, in addition to the fundamentals of density-functional concept and its functions to digital constitution calculations in molecules are provided. Nanoelectronic functions of molecular junctions and comparable structures are mentioned in addition. Molecular electronics is a various and quickly starting to be box. Transport houses of Molecular Junctions provides an up to date survey of the sphere appropriate for researchers and professionals.

By Gunter Gottstein, Lasar S. Shvindlerman

The habit of adjoining fabrics on the boundary the place they meet is an important element of constructing new engineering fabrics. Grain Boundary Migration in Metals is an authoritative account of the physics of grain boundary movement, written through hugely revered researchers. they supply a finished evaluate of present wisdom in regards to the migration technique and the way it impacts microstructure evolution, focusing their remedy completely at the homes and behaviour of grain limitations with good outlined geometry and crystallography. With their emphasis on applications-such because the characterization of microstructure and texture, recrystallization, and grain growth-the authors successfully fill the distance among the physics of grain boundary movement and its engineering practicality. the necessity for greater microstructural layout motivates everlasting thrust for examine within the box, and persevered quick development seems inevitable. Grain Boundary Migration in Metals offers a great origin within the phenomena and serves as a worthwhile reference for execs in fabrics technology, strong nation physics, and any engaged in metals construction and the warmth remedy of metals and alloys.

By LICHANG WANG

Molecular Dynamics is a two-volume compendium of the ever-growing purposes of molecular dynamics simulations to resolve a much wider diversity of medical and engineering demanding situations. The contents illustrate the speedy growth on molecular dynamics simulations in lots of fields of technological know-how and know-how, equivalent to nanotechnology, strength learn, and biology, as a result of the advances of latest dynamics theories and the extreme energy of modern day desktops. this primary publication starts with a normal description of underlying theories of molecular dynamics simulations and gives huge assurance of molecular dynamics simulations in nanotechnology and effort. assurance of this e-book comprises: contemporary advances of molecular dynamics conception Formation and evolution of nanoparticles of as much as 106 atoms Diffusion and dissociation of fuel and liquid molecules on silicon, steel, or steel natural frameworks Conductivity of ionic species in good oxides Ion solvation in liquid combinations Nuclear buildings

By Ronald E. Hester, Roy M. Harrison

This new quantity seeks to provide a large evaluate of the resources, behaviour and hazards linked to nanotechnology. environment the topic into context this booklet to start with describes the present diversity of goods containing nano-materials after which seems to be on the effects for the surroundings and human future health for the creation of nanoparticles and nano-tubes. A point of view from the United said shows how in that nation the threats posed by means of nanoparticles are being addressed.It presents finished assurance of the present matters relating engineered nanoparticles so as to be of quick worth to scientists, engineering and policymakers in the box, in addition to to scholars on complex classes wishing to seem heavily into this topical topic.

By Raul J. Martin-Palma, Akhlesh Lakhtakia

The prior few many years have noticeable an explosive bring up in our skill to create nanostructures and nanosystems with a good measure of keep watch over, utilizing a range of ideas. This skill has been followed by means of the same enhancement in our skill to signify constructions and platforms on the nanoscale. This publication offers a extensive evaluation of these nanostructures and nanosystems (together termed ''Nanotechnology''). It covers structural features and homes of nanostructures, nanofabrication suggestions, tools for characterizing nanostructures, and purposes for nanomaterials. The e-book additionally presents a thought-provoking evaluation of the prospective implications of nanotechnology in society, and certain destiny traits. Nanotechnology: A Crash path is offered to a large readership and should meet the fast wishes of faculty graduates, doctoral scholars, professors, and researchers alike, who're trying to find a brief but inclusive grab of this state of the art know-how. Contents - To the Reader - Nomenclature- Low-Dimensional constructions - houses of Nanostructures - Nanofabrication - Characterization of Nanostructures and Nanomaterials - Nanomaterials and functions - destiny customers - Index feel that you simply lately graduated with a B.S. measure in technological know-how or engineering and may begin your first specialist employment the following day. previous this afternoon, your supervisor referred to as to invite if you happen to be aware of whatever approximately nanotechnology, in order that the next day you can start constructing an inner notion to your department. yet both your university didn't supply a path on nanotechnology otherwise you made up our minds to not take one. you wish a crash direction in nanotechnology, simply to get you off the floor. think that you're a doctoral scholar in a division whose candidacy exam calls for you to write down a five 10-page examine idea on an rising subject assigned through the college committee. feel that your assigned subject intersects with nanotechnology, yet all that you just learn about nanotechnology got here from a number of hour-long graduate seminars that you just attended the former semester. you wish a crash direction in nanotechnology, not just to jot down a magnificent creation but in addition to acquaint your self with terminology to behavior effective searches on Google student, internet of technology, Scopus, and so forth. feel that you're a post-doctoral researcher at both an instructional or an commercial study establishment. Your manager has requested you to propose a shining undergraduate pupil for a summer time venture in nanotechnology, even supposing the point of interest of your individual learn is in different places. you wish a crash direction in nanotechnology, to begin the kid off in a promising path. feel that you're a new assistant professor. Your departmental head advises that your study suggestion to a central authority application to help new college contributors commence study courses lacks that ''wow'' issue that will almost warrantly luck. ''Put in a nano angle,'' you're informed. you would like a crash path in nanotechnology, to dress your inspiration within the glory of ''nano.'' think that you're a middle-aged professor present process a midlife difficulty. rather than altering your loved ones or way of life, you'll decide to switch your examine concentration to an rising study zone. you wish a crash direction in nanotechnology, to evaluate your present assets and destiny wishes. along with your specific want in brain, we persuaded SPIE Press to submit our brief and readable creation to nanotechnology. whereas Nanotechnology: A Crash path is not going to transform you in a single day right into a nanostar, it's going to meet your quick want and extremely most probably assist you steer your specialist existence in a brand new course.

By Leite E.R.