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Measurement Issues In Single Wall Carbon Nanotubes Classic Reprint
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Book Synopsis Measurement Issues in Single Wall Carbon Nanotubes (Classic Reprint) by : Stephen Freiman
Download or read book Measurement Issues in Single Wall Carbon Nanotubes (Classic Reprint) written by Stephen Freiman and published by Forgotten Books. This book was released on 2017-10-28 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Measurement Issues in Single Wall Carbon Nanotubes Raman Spectroscopy Resonant Raman Scattering in Carbon Nanotubes raman-active Modes in Carbon Nanotubes (rem, D, G and G') Radial breathing mode (rbm) The G band Second Order Raman Scattering, the D and G' Modes (zone Boundary Phonons) Width of the Resonance Strength of the Ramén Signal; Electron - Phonon Coupling Depolarization and Selection Rules Practical Considerations Measurement Setup Laser Power Heating Effects Material Inhomogeneity Appendix Illustration of Aggregation Effects Illustration of Heating Effects Measurements from One Individual Nanotube nano-slit Effect. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Measurement Issues in Single Wall Carbon Nanotubes by :
Download or read book Measurement Issues in Single Wall Carbon Nanotubes written by and published by . This book was released on 2008 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Nanotubes by : Stephanie Reich
Download or read book Carbon Nanotubes written by Stephanie Reich and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes are exceptionally interesting from a fundamental research point of view. Many concepts of one-dimensional physics have been verified experimentally such as electron and phonon confinement or the one-dimensional singularities in the density of states; other 1D signatures are still under debate, such as Luttinger-liquid behavior. Carbon nanotubes are chemically stable, mechanically very strong, and conduct electricity. For this reason, they open up new perspectives for various applications, such as nano-transistors in circuits, field-emission displays, artificial muscles, or added reinforcements in alloys. This text is an introduction to the physical concepts needed for investigating carbon nanotubes and other one-dimensional solid-state systems. Written for a wide scientific readership, each chapter consists of an instructive approach to the topic and sustainable ideas for solutions. The former is generally comprehensible for physicists and chemists, while the latter enable the reader to work towards the state of the art in that area. The book gives for the first time a combined theoretical and experimental description of topics like luminescence of carbon nanotubes, Raman scattering, or transport measurements. The theoretical concepts discussed range from the tight-binding approximation, which can be followed by pencil and paper, to first-principles simulations. We emphasize a comprehensive theoretical and experimental understanding of carbon nanotubes including - general concepts for one-dimensional systems - an introduction to the symmetry of nanotubes - textbook models of nanotubes as narrow cylinders - a combination of ab-initio calculations and experiments - luminescence excitation spectroscopy linked to Raman spectroscopy - an introduction to the 1D-transport properties of nanotubes - effects of bundling on the electronic and vibrational properties and - resonance Raman scattering in nanotubes.
Book Synopsis Capacitance Measurement of Single Walled Carbon Nanotubes by : Jun Li (M. Phil.)
Download or read book Capacitance Measurement of Single Walled Carbon Nanotubes written by Jun Li (M. Phil.) and published by . This book was released on 2010 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Capacitance Measurement of Single Walled Carbon Nanotubes by : Professor Jun Li
Download or read book Capacitance Measurement of Single Walled Carbon Nanotubes written by Professor Jun Li and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Capacitance Measurement of Single Walled Carbon Nanotubes" by Jun, Li, 李君, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b4516463 Subjects: Nanotubes Carbon
Book Synopsis Single Walled Carbon Nanotubes by : Hualing Zeng
Download or read book Single Walled Carbon Nanotubes written by Hualing Zeng and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Single Walled Carbon Nanotubes: Measurements of the Excitonic States in 1D" by Hualing, Zeng, 曾华凌, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b4696957 Subjects: Nanotubes Carbon Raman spectroscopy Reflectance spectroscopy
Book Synopsis The Optical Properties of Single-walled Carbon Nanotubes: Separation, Characterization, and Measurement in Suspension by : Richard M. Russo
Download or read book The Optical Properties of Single-walled Carbon Nanotubes: Separation, Characterization, and Measurement in Suspension written by Richard M. Russo and published by . This book was released on 2006 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The one dimensional structure of single-walled carbon nanotubes (SWNTs) gives rise to optical phenomena that differ from bulk materials. This dissertation studies the separation of SWNTs dissolved in aqueous media using surfactant molecules, and the measurement of their intrinsic optical properties including absorption and emission. The SWNTs were separated from the bundled form using mechanical processing techniques such as sonication and centrifugation. A processing study, which isolated the effects of sonication frequency, sonication power, and centrifugation speed, was performed to determine the factors that lead to the best separation. The results of this study suggest that the suspensions are a mixture of individual tubes and small bundles. Prior determinations of intrinsic nanotube properties based on the assumption of isolated nanotubes will have to be revisited. The transient absorption spectrum was measured for the S11 subband region using monochromatic pump excitation at wavelengths corresponding to S22 subband transitions, where the exciting pump fluence was sufficient to create many excitons on a single nanotube. The transient decay kinetics followed a linear dependence that was proportional to 1/ t on a log-log scale with a slope of -0.5, which is consistent with the diffusion limited recombination of excitons in one dimension. This result suggests that the decay of photoexcitations in nanotubes is initially governed by two-body kinetics, which becomes a one-body process only in the long time limit. Our work refutes the one-electron model for the excited state relaxation of nanotubes proposed by others. When the transient decay was studied as a function of the initial exciton population, the diffusion coefficient was found to be a different constant value at each initial population. Local thermalization of the surrounding medium may cause this difference, as thermal relaxation occurs on a time scale that is longer than that of exciton recombination in SWNTs. This work further elucidates the mechanism of excited state relaxation in SWNTs, and advances the understanding of one-dimensional nanostructures.
Book Synopsis Single Walled Carbon Nanotubes by : Hualing Zeng
Download or read book Single Walled Carbon Nanotubes written by Hualing Zeng and published by . This book was released on 2011 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Absorption and Electronic Properties of Individual Carbon Nanotubes by : Jean-Christophe Blancon
Download or read book Optical Absorption and Electronic Properties of Individual Carbon Nanotubes written by Jean-Christophe Blancon and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation, we report on the experimental investigation of the optical properties of single- and double-wall carbon nanotubes. Despite numerous studies performed using photoluminescence or Raman and Rayleigh scattering, knowledge of their optical response is still partial. In particular direct quantitative measurement of their absorption cross-section has not been achieved yet. Using spatial modulation spectroscopy we have determined, over a broad optical spectral range, the spectrum and amplitude of the absorption cross-section of identified individual single- and double-wall carbon nanotubes. These quantitative measurements permit the determination of the oscillator strength of the different excitonic resonances. Furthermore, investigation of the same nanotube, either a single-wall or double-wall nanotube, freestanding or deposited on a substrate shows large broadening with increase of oscillator strength of the excitonic resonances, as well as stark weakening of polarization dependent antenna effects, due to nanotube-substrate interaction. Similar study on nanotube bundles and double-wall nanotubes demonstrate the importance of inter-tube and inter-wall exciton coupling effects which seem to be of different nature in these two types of sample. The second part of this thesis studies electrical transport in carbon nanotube bundles under high pressure condition and low temperature. The behavior of nanotubebased field-effect transistors has been investigated, in the classical and Coulomb blockade regime, under gas-pressure up to 0.9 GPa. Overall, this dissertation communicates on the quantitative analysis of the absorption and electronic properties of carbon nanotubes and how they are influenced by various environmental effects such as dielectric screening, stress induced strain, hydrostatic pressure, or chemical doping. The novelty of this work is to address these issues at the single nanotube level.
Book Synopsis Mechanics of Carbon Nanotubes by : Vasyl Harik
Download or read book Mechanics of Carbon Nanotubes written by Vasyl Harik and published by Academic Press. This book was released on 2018-07-27 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanics of Carbon Nanotubes: Fundamentals, Modeling and Safety draws on the latest academic research and nanotechnology applications to provide a comprehensive guide on the most recent developments in the science of carbon nanotubes. The fundamentals of nanomechanics and mechanical behavior of carbon nanotubes are presented in initial chapters, followed by more advanced topics such as the classification of carbon nanotubes, carbon nanotubes in nanocomposites, multiwall carbon nanotubes, and recent trends.This book provides a system for the classification of carbon nanotubes into 20 classes, aiding correct selection for various applications, and includes the Atomic Registry Matrix Analysis for nanoscale interfaces, essential for design involving friction or sliding. Parametric maps are included to help readers pick the correct model for a particular CNT geometry, in addition to a thorough examination of the effective thickness paradox and safety issues related to CNTs, such as toxicity at high aspect ratio.Mechanics of Carbon Nanotubes is essential reading for anyone involved in research or engineering that includes carbon nanotubes, be they students or seasoned professionals in the field. It is particularly useful to those working with applications in the areas of microelectronics, robotics, aerospace, composites, or prosthetics. Provides a system for the classification of carbon nanotubes, aiding correct selection for various applications Includes the Matrix Registry Analysis for nanoscale interfaces that is essential for design involving friction or sliding Features parametric maps to help readers pick the right model for a particular CNT geometry (beam vs. shell vs. thin or thick shells, etc.) Presents a thorough examination of the safety issues related to CNTs, including toxicity at high aspect ratio
Book Synopsis Carbon Nanotubes by : Michael J. O’Connell
Download or read book Carbon Nanotubes written by Michael J. O’Connell and published by CRC Press. This book was released on 2018-10-03 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since their discovery more than a decade ago, carbon nanotubes (CNTs) have held scientists and engineers in captive fascination, seated on the verge of enormous breakthroughs in areas such as medicine, electronics, and materials science, to name but a few. Taking a broad look at CNTs and the tools used to study them, Carbon Nanotubes: Properties and Applications comprises the efforts of leading nanotube researchers led by Michael O’Connell, protégé of the late father of nanotechnology, Richard Smalley. Each chapter is a self-contained treatise on various aspects of CNT synthesis, characterization, modification, and applications. The book opens with a general introduction to the basic characteristics and the history of CNTs, followed by discussions on synthesis methods and the growth of “peapod” structures. Coverage then moves to electronic properties and band structures of single-wall nanotubes (SWNTs), magnetic properties, Raman spectroscopy of electronic and chemical behavior, and electromechanical properties and applications in NEMS (nanoelectromechanical systems). Turning to applications, the final sections of the book explore mechanical properties of SWNTs spun into fibers, sidewall functionalization in composites, and using SWNTs as tips for scanning probe microscopes. Taking a fresh look at this burgeoning field, Carbon Nanotubes: Properties and Applications points the way toward making CNTs commercially viable.
Book Synopsis Physical Properties Of Carbon Nanotubes by : G Dresselhaus
Download or read book Physical Properties Of Carbon Nanotubes written by G Dresselhaus and published by World Scientific. This book was released on 1998-07-22 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an introductory textbook for graduate students and researchers from various fields of science who wish to learn about carbon nanotubes. The field is still at an early stage, and progress continues at a rapid rate. This book focuses on the basic principles behind the physical properties and gives the background necessary to understand the recent developments. Some useful computational source codes which generate coordinates for carbon nanotubes are also included in the appendix.
Download or read book Carbon Nanotubes written by M. Endo and published by Elsevier. This book was released on 2013-10-22 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes have been studied extensively in relation to fullerenes, and together with fullerenes have opened a new science and technology field on nano scale materials. A whole range of issues from the preparation, structure, properties and observation of quantum effects in carbon nanotubes in comparison with 0-D fullerenes are discussed. In addition, complementary reviews on carbon nanoparticles such as carbon nano-capsules, onion-like graphite particles and metal-coated fullerenes are covered. This book aims to cover recent research and development in this area, and so provide a convenient reference tool for all researchers in this field. It is also hoped that this book can serve to stimulate future work on carbon nanotubes.
Book Synopsis Optimal Device Design by : A. F. J. Levi
Download or read book Optimal Device Design written by A. F. J. Levi and published by Cambridge University Press. This book was released on 2010 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Dramatic advances in the control of physical systems at the atomic scale have provided many new ways to manufacture devices. An important question is how best to design these ultra-small complex systems. Access to vast amounts of inexpensive computing power makes it possible to accurately simulate their physical properties. Furthermore, high-performance computers allow us to explore the large number of degrees of freedom with which to construct new device configurations. This book aims to lay the groundwork for a methodology to exploit these emerging capabilities using optimal device design. By combining applied mathematics, smart computation, physical modeling, and 21st century engineering and fabrication tools it is possible to find atomic and nano-scale configurations that result in components with performance characteristics that have not been achieved using other methods"--Provided by publisher.
Book Synopsis Advanced Nanotechnology by : Shiv Kant Prasad
Download or read book Advanced Nanotechnology written by Shiv Kant Prasad and published by Discovery Publishing House. This book was released on 2008 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Implications of Emerging Micro- and Nanotechnologies by : National Research Council
Download or read book Implications of Emerging Micro- and Nanotechnologies written by National Research Council and published by National Academies Press. This book was released on 2003-02-06 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expansion of micro-technology applications and rapid advances in nano-science have generated considerable interest by the Air Force in how these developments will affect the nature of warfare and how it could exploit these trends. The report notes four principal themes emerging from the current technological trends: increased information capability, miniaturization, new materials, and increased functionality. Recommendations about Air Force roles in micro- and nanotechnology research are presented including those areas in which the Air Force should take the lead. The report also provides a number of technical and policy findings and recommendations that are critical for effective development of the Air Force's micro- and nano-science and technology program
Book Synopsis Nanostructured Materials and Nanotechnology III, Volume 30, Issue 7 by : Sanjay Mathur
Download or read book Nanostructured Materials and Nanotechnology III, Volume 30, Issue 7 written by Sanjay Mathur and published by John Wiley & Sons. This book was released on 2009-12-17 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This useful resource will help you understand the most valuable aspects of nanostructured materials and nanotechnology. Containing 16 peer-reviewed papers, this issue covers various aspects and the latest developments related to processing, modeling and manufacturing technologies of nanoscaled materials including CNT and clay-based composites, nanowire-based sensors, new generation photovoltaic cells, plasma processing of functional thin films, ceramic membranes and self-assembled functional nanostructures.
