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Template Growth Of Highly Ordered Carbon Nanotube Arrays On Silicon Postprint
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Book Synopsis Template-Growth of Highly Ordered Carbon Nanotube Arrays on Silicon POSTPRINT. by :
Download or read book Template-Growth of Highly Ordered Carbon Nanotube Arrays on Silicon POSTPRINT. written by and published by . This book was released on 2006 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports on the success in and the key conditions for direct growth or carbon nanotubes or unprecedented uniformity on silicon. The uniformity is ensured through the growth within the highly ordered nanopores or an alumina oxide template, which is in turn formed on silicon through anodization of aluminum of unprecedented thickness evaporated on silicon. The formation of highly ordered nanopore array by anodization of thick aluminum evaporated on a noncompliant substrate such as silicon is made possible through a specially designed process for evaporating thick aluminum of high quality and good adhesion.
Book Synopsis Self-assembled Ordered Carbon-nanotube Arrays and Membranes by : Michael P. Siegal
Download or read book Self-assembled Ordered Carbon-nanotube Arrays and Membranes written by Michael P. Siegal and published by . This book was released on 2004 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Imagine free-standing flexible membranes with highly-aligned arrays of carbon nanotubes (CNTs) running through their thickness. Perhaps with both ends of the CNTs open for highly controlled nanofiltration? Or CNTs at heights uniformly above a polymer membrane for a flexible array of nanoelectrodes or field-emitters? How about CNT films with incredible amounts of accessible surface area for analyte adsorption? These self-assembled crystalline nanotubes consist of multiple layers of graphene sheets rolled into concentric cylinders. Tube diameters (3-300 nm), inner-bore diameters (2-15 nm), and lengths (nanometers - microns) are controlled to tailor physical, mechanical, and chemical properties. We proposed to explore growth and characterize nanotube arrays to help determine their exciting functionality for Sandia applications. Thermal chemical vapor deposition growth in a furnace nucleates from a metal catalyst. Ordered arrays grow using templates from self-assembled hexagonal arrays of nanopores in anodized-aluminum oxide. Polymeric-binders can mechanically hold the CNTs in place for polishing, lift-off, and membrane formation. The stiffness, electrical and thermal conductivities of CNTs make them ideally suited for a wide-variety of possible applications. Large-area, highly-accessible gas-adsorbing carbon surfaces, superb cold-cathode field-emission, and unique nanoscale geometries can lead to advanced microsensors using analyte adsorption, arrays of functionalized nanoelectrodes for enhanced electrochemical detection of biological/explosive compounds, or mass-ionizers for gas-phase detection. Materials studies involving membrane formation may lead to exciting breakthroughs in nanofiltration/nanochromatography for the separation of chemical and biological agents. With controlled nanofilter sizes, ultrafiltration will be viable to separate and preconcentrate viruses and many strains of bacteria for 'down-stream' analysis.
Book Synopsis Nanotube Engineering and Science, Synthesis and Properties of Highly Ordered Carbon Nanotube Arrays and Y-junction Carbon Nanotubes by : Christo Papadopoulos
Download or read book Nanotube Engineering and Science, Synthesis and Properties of Highly Ordered Carbon Nanotube Arrays and Y-junction Carbon Nanotubes written by Christo Papadopoulos and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Highly ordered carbon nanotube arrays and Y-junction carbon nanotubes were synthesized and studied for the first time. These new nanostructures demonstrate the next step towards engineering carbon nanotubes into functional materials for nanoscale science and technology. Highly ordered arrays were fabricated by chemical vapour deposition involving the decomposition of acetylene within hexagonally-disposed nanochannel alumina templates. The nanotube arrays are characterized by a narrow size distribution, large scale periodicity and high densities. Y-junction tubes were grown similarly in high density arrays, using Y-branched template channels. These novel nanotube junctions consist of a large diameter tube branching into two smaller diameter ones. Electronic transport measurements on Y-junction nanotubes showed them to possess intrinsic and reproducible rectifying behaviour at room temperature. The results could be explained by considering the change in bandgap across the junction caused by joining together different diameter nanotubes and illustrate a new type of semiconductor heterojunction for nanoelectronics.
Book Synopsis Nanotube Engineering and Science, Synthesis and Properties of Highly Ordered Carbon Nanotube Arrays and Y-junction Carbon Nanotubes by :
Download or read book Nanotube Engineering and Science, Synthesis and Properties of Highly Ordered Carbon Nanotube Arrays and Y-junction Carbon Nanotubes written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser-induced Graphene by : Ruquan Ye
Download or read book Laser-induced Graphene written by Ruquan Ye and published by . This book was released on 2020-11-30 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: LIG is a revolutionary technique that uses a common CO2 infrared laser scriber, like the one used in any machine shop, for the direct conversion of polymers into porous graphene under ambient conditions. This technique combines the preparation and patterning of 3D graphene in a single step, without the use of wet chemicals. The ease in the structural engineering and excellent mechanical properties of the 3D graphene obtained have made LIG a versatile technique for applications across many fields. This book compiles cutting-edge research on LIG by different research groups all over the world. It discusses the strategies that have been developed to synthesize and engineer graphene, including controlling its properties such as porosity, composition, and surface characteristics. The authors are pioneers in the discovery and development of LIG and the book will appeal to anyone involved in nanotechnology, chemistry, environmental sciences, and device development, especially those with an interest in the synthesis and applications of graphene-based materials.
Book Synopsis Ceramic Nanocomposites by : Rajat Banerjee
Download or read book Ceramic Nanocomposites written by Rajat Banerjee and published by Elsevier. This book was released on 2013-07-31 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ceramic nanocomposites have been found to have improved hardness, strength, toughness and creep resistance compared to conventional ceramic matrix composites. Ceramic nanocomposites reviews the structure and properties of these nanocomposites as well as manufacturing and applications.Part one looks at the properties of different ceramic nanocomposites, including thermal shock resistance, flame retardancy, magnetic and optical properties as well as failure mechanisms. Part two deals with the different types of ceramic nanocomposites, including the use of ceramic particles in metal matrix composites, carbon nanotube-reinforced glass-ceramic matrix composites, high temperature superconducting ceramic nanocomposites and ceramic particle nanofluids. Part three details the processing of nanocomposites, including the mechanochemical synthesis of metallic–ceramic composite powders, sintering of ultrafine and nanosized ceramic and metallic particles and the surface treatment of carbon nanotubes using plasma technology. Part four explores the applications of ceramic nanocomposites in such areas as energy production and the biomedical field.With its distinguished editors and international team of expert contributors, Ceramic nanocomposites is a technical guide for professionals requiring knowledge of ceramic nanocomposites, and will also offer a deeper understanding of the subject for researchers and engineers within any field dealing with these materials. Reviews the structure and properties of ceramic nanocomposites as well as their manufacturing and applications Examines properties of different ceramic nanocomposites, as well as failure mechanisms Details the processing of nanocomposites and explores the applications of ceramic nanocomposites in areas such as energy production and the biomedical field
Book Synopsis Nanowire Electronics by : Guozhen Shen
Download or read book Nanowire Electronics written by Guozhen Shen and published by Springer. This book was released on 2018-11-23 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of recent advances in developing nanowires for building various kinds of electronic devices. Specifically the applications of nanowires in detectors, sensors, circuits, energy storage and conversion, etc., are reviewed in detail by the experts in this field. Growth methods of different kinds of nanowires are also covered when discussing the electronic applications. Through discussing these cutting edge researches, the future directions of nanowire electronics are identified.
Book Synopsis Thermodynamics and the Destruction of Resources by : Bhavik R. Bakshi
Download or read book Thermodynamics and the Destruction of Resources written by Bhavik R. Bakshi and published by Cambridge University Press. This book was released on 2011-04-11 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a unique, multidisciplinary effort to apply rigorous thermodynamics fundamentals, a disciplined scholarly approach, to problems of sustainability, energy, and resource uses. Applying thermodynamic thinking to problems of sustainable behavior is a significant advantage in bringing order to ill-defined questions with a great variety of proposed solutions, some of which are more destructive than the original problem. The articles are pitched at a level accessible to advanced undergraduates and graduate students in courses on sustainability, sustainable engineering, industrial ecology, sustainable manufacturing, and green engineering. The timeliness of the topic, and the urgent need for solutions make this book attractive to general readers and specialist researchers as well. Top international figures from many disciplines, including engineers, ecologists, economists, physicists, chemists, policy experts and industrial ecologists among others make up the impressive list of contributors.
Book Synopsis Modern Flow Analysis by : Pawel Koscielniak
Download or read book Modern Flow Analysis written by Pawel Koscielniak and published by . This book was released on 2020 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flow analysis is an automatic, precise and fast way to perform analytical tests. Flow instruments are used for clinical and pharmaceutical analyses, quality control of industrial products, monitoring of environmental pollution and many other fields. The book presents the latest methodological, technical and instrumental achievements in flow analysis. It shows new possibilities for the miniaturization and full mechanization of flow systems, together with examples of their interesting application. The proposed solutions contribute to reducing the amount of used reagents and waste, as well as increasing the safety of working with hazardous reagents, resulting in modern devices operating in accordance with the principles of green chemistry. A number of innovative methods of processing and measuring analytical samples have also been described. The book very well reflects the current state of flow analysis and development directions.
Book Synopsis High-k Gate Dielectric Materials by : Niladri Pratap Maity
Download or read book High-k Gate Dielectric Materials written by Niladri Pratap Maity and published by CRC Press. This book was released on 2020-12-18 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume explores and addresses the challenges of high-k gate dielectric materials, one of the major concerns in the evolving semiconductor industry and the International Technology Roadmap for Semiconductors (ITRS). The application of high-k gate dielectric materials is a promising strategy that allows further miniaturization of microelectronic components. This book presents a broad review of SiO2 materials, including a brief historical note of Moore’s law, followed by reliability issues of the SiO2 based MOS transistor. It goes on to discuss the transition of gate dielectrics with an EOT ~ 1 nm and a selection of high-k materials. A review of the various deposition techniques of different high-k films is also discussed. High-k dielectrics theories (quantum tunneling effects and interface engineering theory) and applications of different novel MOSFET structures, like tunneling FET, are also covered in this book. The volume also looks at the important issues in the future of CMOS technology and presents an analysis of interface charge densities with the high-k material tantalum pentoxide. The issue of CMOS VLSI technology with the high-k gate dielectric materials is covered as is the advanced MOSFET structure, with its working structure and modeling. This timely volume will prove to be a valuable resource on both the fundamentals and the successful integration of high-k dielectric materials in future IC technology.
Book Synopsis Electrodeposited Nanowires and their Applications by : Nicoleta Lupu
Download or read book Electrodeposited Nanowires and their Applications written by Nicoleta Lupu and published by BoD – Books on Demand. This book was released on 2010-02-01 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book offers a new and complex perspective on the fabrication and use of electrodeposited nanowires for the design of efficient and competitive applications. While not pretending to be comprehensive, the book is addressing not only to researchers specialized in this field, but also to Ph.D. students, postdocs and experienced technical professionals.
Book Synopsis In Vivo Glucose Sensing by : David D. Cunningham
Download or read book In Vivo Glucose Sensing written by David D. Cunningham and published by John Wiley & Sons. This book was released on 2009-11-19 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Vivo Glucose Sensing is a key reference for scientists and engineers working on the development of glucose sensing technologies for the management of diabetes and other medical conditions. It discusses the analytical chemistry behind the strategies currently used for measuring glucose in vivo. It focuses on analyzing samples in the real world and discusses the biological complexities that make glucose sensing difficult. Covering current implantable devices, next-generation implantable sensing methods, and non-invasive methods for measuring glucose, this book concludes with an overview of possible applications other than diabetes.
Book Synopsis Magnetic Nano- and Microwires by : Manuel Vázquez
Download or read book Magnetic Nano- and Microwires written by Manuel Vázquez and published by Woodhead Publishing. This book was released on 2015-05-27 with total page 847 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic nanowires and microwires are key tools in the development ofenhanced devices for information technology (memory and data processing) andsensing. Offering the combined characteristics of high density, high speed, andnon-volatility, they facilitate reliable control of the motion of magnetic domainwalls; a key requirement for the development of novel classes of logic and storagedevices. Part One introduces the design and synthesis of magnetic nanowires andmicrowires, reviewing the growth and processing of nanowires and nanowireheterostructures using such methods as sol-gel and electrodepositioncombinations, focused-electron/ion-beam-induced deposition, chemicalvapour transport, quenching and drawing and magnetic interactions. Magneticand transport properties, alongside domain walls, in nano- and microwiresare then explored in Part Two, before Part Three goes on to explore a widerange of applications for magnetic nano- and microwire devices, includingmemory, microwave and electrochemical applications, in addition to thermalspin polarization and configuration, magnetocalorific effects and Bloch pointdynamics. Detailed coverage of multiple key techniques for the growth and processing of nanowires and microwires Reviews the principles and difficulties involved in applying magnetic nano- and microwires to a wide range of applications Combines the expertise of specialists from around the globe to give a broad overview of current and future trends
Book Synopsis Photocatalytic Hydrogen Evolution by : Misook Kang
Download or read book Photocatalytic Hydrogen Evolution written by Misook Kang and published by MDPI. This book was released on 2020-06-17 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy crises and global warming pose serious challenges to researchers in their attempt to develop a sustainable society for the future. Solar energy conversion is a remarkable, clean, and sustainable way to nullify the effects of fossil fuels. The findings of photocatalytic hydrogen production (PCHP) by Fujishima and Honda propose that “water will be the coal for the future”. Hydrogen is a carbon-free clean fuel with a high specific energy of combustion. Titanium oxide (TiO2), graphitic-carbon nitride (g-C3N4) and cadmium sulfide (CdS) are three pillars of water splitting photocatalysts owing to their superior electronic and optical properties. Tremendous research efforts have been made in recent years to fabricate visible or solar-light, active photocatalysts. The significant features of various oxide, sulfide, and carbon based photocatalysts for cost-effective hydrogen production are presented in this Special Issue. The insights of sacrificial agents on the hydrogen production efficiency of catalysts are also presented in this issue.
Book Synopsis Thermoelectric Materials and Devices by : Iris Nandhakumar
Download or read book Thermoelectric Materials and Devices written by Iris Nandhakumar and published by Royal Society of Chemistry. This book was released on 2017 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authoritative account of recent developments in thermoelectric materials and devices for power energy harvesting applications, ideal for researchers and industrialists in materials science.
Book Synopsis Lecture Series "Boundary Layer Theory.": Laminar flows by : Hermann Schlichting
Download or read book Lecture Series "Boundary Layer Theory.": Laminar flows written by Hermann Schlichting and published by . This book was released on 1949 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biosensors – Recent Advances and Future Challenges by : Paolo Bollella
Download or read book Biosensors – Recent Advances and Future Challenges written by Paolo Bollella and published by MDPI. This book was released on 2021-01-27 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book is devoted to all aspects of biosensing in a very broad definition, including, but not limited to, biomolecular composition used in biosensors (e.g., biocatalytic enzymes, DNAzymes, abiotic nanospecies with biocatalytic features, bioreceptors, DNA/RNA, aptasensors, etc.), physical signal transduction mechanisms (e.g., electrochemical, optical, magnetic, etc.), engineering of different biosensing platforms, operation of biosensors in vitro and in vivo (implantable or wearable devices), self-powered biosensors, etc. The biosensors can be represented with analogue devices measuring concentrations of analytes and binary devices operating in the YES/NO format, possibly with logical processing of input signals. Furthermore, the book is aimed at attracting young scientists and introducing them to the field, while providing newcomers with an enormous collection of literature references.
