Characterizations And Applications Of Carbon Nanotube Thin Film Devices

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Characterizations and Applications of Carbon Nanotube Thin Film Devices

Author : Michael Robert Gasper
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (961 download)

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Book Synopsis Characterizations and Applications of Carbon Nanotube Thin Film Devices by : Michael Robert Gasper

Download or read book Characterizations and Applications of Carbon Nanotube Thin Film Devices written by Michael Robert Gasper and published by . This book was released on 2016 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this thesis is to study the characteristics of carbon nanotube thin lms and apply them as detectors of microwave power. Using measured reflection data, S11, the relative permittivity and loss tangent of carbon nanotubes is extracted. These parameters are used to define a custom, frequency dependent material in HFSS, an electromagnetic finite element analysis solver. This new material definition allows one to simulate structures more complicated than the Corbino disc. The basic idea is to use a simple device to characterize the carbon nanotubes and use the data to simulate more complicated devices. A new 2-port twinax structure is analyzed using HFSS in order to extract the scattering parameters. MAXWELL, an electromagnetic field solver, is used to determine the DC potential distribution in the structure and is compared with a simple analytical model. Experiments for power detection are done using carbon nanotube thin lms deposited on sapphire substrates with Corbino disc test structures. These structures have been used to realize a microwave power sensor that operates at and above room temperature. Current vs voltage curve traces have been collected at various temperatures to evaluate the temperature dependent resistance of the carbon nanotube thin lm Corbino discs. The thermal time constant of the carbon nanotubes was found in order to determine how fast the device may respond when used as a microwave bolometer. Corbino effect measurements were then taken to observe the effect of an applied magnetic field on the resistance of the device. Such tuning of resistance can be of potential use in performance optimization of the power detection scheme. Device degradation was observed due to exposure to extreme temperatures (200C). New devices are now needed to continue work on carbon nanotube thin films. Photolithography masks have been designed and a photolithography process developed in order to fabricate Corbino disc structures and the new twinax structures.

Characterization of Carbon Nanotube Based Thin Film Field Emitter

Author : Niraj Sinha
Publisher :
ISBN 13 : 9780494433478
Total Pages : 161 pages
Book Rating : 4.4/5 (334 download)

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Book Synopsis Characterization of Carbon Nanotube Based Thin Film Field Emitter by : Niraj Sinha

Download or read book Characterization of Carbon Nanotube Based Thin Film Field Emitter written by Niraj Sinha and published by . This book was released on 2008 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, carbon nanotubes (CNTs) have emerged as one of the best field emitters for a variety of technological applications. The field emitting cathodes have several advantages over the conventional thermionic cathodes: (i) current density from field emission would be orders of magnitude greater than in the thermionic case, (ii) a cold cathode would minimize the need for cooling, and (iii) a field emitting cathode can be miniaturized. In spite of good performance of such cathodes, the procedure to estimate the device current is not straight forward and the required insight towards design optimization is not well understood. In addition, the current in CNT-based thin film devices shows fluctuation. Such fluctuation in field emission current is not desirable for many biomedical applications such as x-ray devices. The CNTs in a thin film undergo complex dynamics during field emission, which includes processes such as (i) evolution, (ii) electromechanical interaction, (iii) thermoelectric heating, (iv) ballistic transport, and (v) electron gas flow. These processes are coupled and nonlinear. Therefore, they must be analyzed accurately from the stability and long-term performance point of view. In this research, we develop detailed physics-based models of CNTs considering the aspects mentioned above.

Carbon Nanotubes and Graphene

Author : Kazuyoshi Tanaka
Publisher : Newnes
ISBN 13 : 0080982689
Total Pages : 458 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Carbon Nanotubes and Graphene by : Kazuyoshi Tanaka

Download or read book Carbon Nanotubes and Graphene written by Kazuyoshi Tanaka and published by Newnes. This book was released on 2014-07-10 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Nanotubes and Graphene is a timely second edition of the original Science and Technology of Carbon Nanotubes. Updated to include expanded coverage of the preparation, purification, structural characterization, and common application areas of single- and multi-walled CNT structures, this work compares, contrasts, and, where appropriate, unitizes CNT to graphene. This much expanded second edition reference supports knowledge discovery, production of impactful carbon research, encourages transition between research fields, and aids the formation of emergent applications. New chapters encompass recent developments in the theoretical treatments of electronic and vibrational structures, and magnetic, optical, and electrical solid-state properties, providing a vital base to research. Current and potential applications of both materials, including the prospect for large-scale synthesis of graphene, biological structures, and flexible electronics, are also critically discussed. Updated discussion of properties, structure, and morphology of biological and flexible electronic applications aids fundamental knowledge discovery Innovative parallel focus on nanotubes and graphene enables you to learn from the successes and failures of, respectively, mature and emergent partner research disciplines High-quality figures and tables on physical and mathematical applications expertly summarize key information – essential if you need quick, critically relevant data

Towards Scalable Electronic Devices with Sorted Carbon Nanotube Thin-Films

Author : HeeBong Yang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (126 download)

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Book Synopsis Towards Scalable Electronic Devices with Sorted Carbon Nanotube Thin-Films by : HeeBong Yang

Download or read book Towards Scalable Electronic Devices with Sorted Carbon Nanotube Thin-Films written by HeeBong Yang and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The year 2021 is the 30th anniversary of carbon nanotube (CNT) discovery in 1991 by Sumio Iijima. CNTs, a cylindrical hollow shape, exhibit fascinating electrical and optical properties. CNTs have been at the heart of the fundamental research and engineering applications in various studies last three decades. Especially, CNTs are attractive because they have unique electronic structures which show different band gap energy as a function of their size. Nevertheless, we face two serious technical challenges with regards creating large-scale electronic and photonic devices using CNTs. First, we need to solve a sorting problem to extract a specific size of CNTs. Second, we have to control the alignment and orientation of sorted CNTs. Here, we present research progresses to master a sorting technique and to form an aligned CNT thin-film followed by device fabrication and characterization of sorted films. We decide to apply aqueous two-phase extraction (ATPE) method to purify various CNT synthesis sources. ATPE shows strong advantages in scalability and relatively simple and low-cost processing steps over other methods. We manage to achieve high purity metallic and semiconducting CNTs in large volumes. We attempt a vacuum filtration method to make thin-films with sorted CNT solutions for devices. Although we need a transferring step to place films on substrates, we enjoy the flexibility to choose a variety of substrate form factors with size and thickness control. In order to characterize electrical performance of CNT films, we fabricate planar two-terminal devices using different sizes of metallic and semiconducting CNT films with and without alignment. We examine the film quality and basic electrical performance via DC resistance and low frequency noise properties from temperaturedependent measurements. Our lessons are that aligned CNT film devices behave better than other conditions in terms of smaller resistance and more linear-like current-voltage characteristics at low temperatures. All film devices follow the 1/f noise behavior and we will pursue further quantitative assessment of their noise properties in depth. We envision that we will make high performance quantum devices based on sorted CNT thin-films.

Carbon Nanotube and Related Field Emitters

Author : Yahachi Saito
Publisher : John Wiley & Sons
ISBN 13 : 3527632107
Total Pages : 551 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Carbon Nanotube and Related Field Emitters by : Yahachi Saito

Download or read book Carbon Nanotube and Related Field Emitters written by Yahachi Saito and published by John Wiley & Sons. This book was released on 2010-10-01 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes (CNTs) have novel properties that make them potentially useful in many applications in nanotechnology, electronics, optics and other fields of materials science. These characteristics include extraordinary strength, unique electrical properties, and the fact that they are efficient heat conductors. Field emission is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. CNT field emitters are expected to make a breakthrough in the development of field emission display technology and enable miniature X-ray sources that will find a wide variety of applications in electronic devices, industry, and medical and security examinations. This first monograph on the topic covers all aspects in a concise yet comprehensive manner - from the fundamentals to applications. Divided into four sections, the first part discusses the preparation and characterization of carbon nanotubes, while part two is devoted to the field emission properties of carbon nanotubes, including the electron emission mechanism, characteristics of CNT electron sources, and dynamic behavior of CNTs during operation. Part three highlights field emission from other nanomaterials, such as carbon nanowalls, diamond, and silicon and zinc oxide nanowires, before concluding with frontier R&D applications of CNT emitters, from vacuum electronic devices such as field emission displays, to electron sources in electron microscopes, X-ray sources, and microwave amplifiers. Edited by a pioneer in the field, each chapter is written by recognized experts in the respective fields.

Chemical Solution Deposition of Functional Oxide Thin Films

Author : Theodor Schneller
Publisher : Springer Science & Business Media
ISBN 13 : 3211993118
Total Pages : 801 pages
Book Rating : 4.2/5 (119 download)

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Book Synopsis Chemical Solution Deposition of Functional Oxide Thin Films by : Theodor Schneller

Download or read book Chemical Solution Deposition of Functional Oxide Thin Films written by Theodor Schneller and published by Springer Science & Business Media. This book was released on 2014-01-24 with total page 801 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first text to cover all aspects of solution processed functional oxide thin-films. Chemical Solution Deposition (CSD) comprises all solution based thin- film deposition techniques, which involve chemical reactions of precursors during the formation of the oxide films, i. e. sol-gel type routes, metallo-organic decomposition routes, hybrid routes, etc. While the development of sol-gel type processes for optical coatings on glass by silicon dioxide and titanium dioxide dates from the mid-20th century, the first CSD derived electronic oxide thin films, such as lead zirconate titanate, were prepared in the 1980’s. Since then CSD has emerged as a highly flexible and cost-effective technique for the fabrication of a very wide variety of functional oxide thin films. Application areas include, for example, integrated dielectric capacitors, ferroelectric random access memories, pyroelectric infrared detectors, piezoelectric micro-electromechanical systems, antireflective coatings, optical filters, conducting-, transparent conducting-, and superconducting layers, luminescent coatings, gas sensors, thin film solid-oxide fuel cells, and photoelectrocatalytic solar cells. In the appendix detailed “cooking recipes” for selected material systems are offered.

Carbon Nanotubes

Author : Jose Mauricio Marulanda
Publisher : BoD – Books on Demand
ISBN 13 : 9533074965
Total Pages : 574 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Carbon Nanotubes by : Jose Mauricio Marulanda

Download or read book Carbon Nanotubes written by Jose Mauricio Marulanda and published by BoD – Books on Demand. This book was released on 2011-08-01 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes (CNTs), discovered in 1991, have been a subject of intensive research for a wide range of applications. In the past decades, although carbon nanotubes have undergone massive research, considering the success of silicon, it has, nonetheless, been difficult to appreciate the potential influence of carbon nanotubes in current technology. The main objective of this book is therefore to give a wide variety of possible applications of carbon nanotubes in many industries related to electron device technology. This should allow the user to better appreciate the potential of these innovating nanometer sized materials. Readers of this book should have a good background on electron devices and semiconductor device physics as this book presents excellent results on possible device applications of carbon nanotubes. This book begins with an analysis on fabrication techniques, followed by a study on current models, and it presents a significant amount of work on different devices and applications available to current technology.

Carbon Nanotube Electronics

Author : Ali Javey
Publisher : Springer Science & Business Media
ISBN 13 : 0387692851
Total Pages : 275 pages
Book Rating : 4.3/5 (876 download)

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Book Synopsis Carbon Nanotube Electronics by : Ali Javey

Download or read book Carbon Nanotube Electronics written by Ali Javey and published by Springer Science & Business Media. This book was released on 2009-04-21 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a complete overview of the field of carbon nanotube electronics. It covers materials and physical properties, synthesis and fabrication processes, devices and circuits, modeling, and finally novel applications of nanotube-based electronics. The book introduces fundamental device physics and circuit concepts of 1-D electronics. At the same time it provides specific examples of the state-of-the-art nanotube devices.

Approaches for Alignment and Purification of Single Walled Carbon Nanotube Thin Films and Their Application in Device Electronics

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (932 download)

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Book Synopsis Approaches for Alignment and Purification of Single Walled Carbon Nanotube Thin Films and Their Application in Device Electronics by :

Download or read book Approaches for Alignment and Purification of Single Walled Carbon Nanotube Thin Films and Their Application in Device Electronics written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fabrication and Characterization of Carbon Nanotube Thin-films for Gas Sensing Applications

Author : Ahmed Abdelhalim
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (934 download)

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Book Synopsis Fabrication and Characterization of Carbon Nanotube Thin-films for Gas Sensing Applications by : Ahmed Abdelhalim

Download or read book Fabrication and Characterization of Carbon Nanotube Thin-films for Gas Sensing Applications written by Ahmed Abdelhalim and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Carbon Nanotubes

Author : Siva Yellampalli
Publisher : IntechOpen
ISBN 13 : 9789533074979
Total Pages : 530 pages
Book Rating : 4.0/5 (749 download)

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Book Synopsis Carbon Nanotubes by : Siva Yellampalli

Download or read book Carbon Nanotubes written by Siva Yellampalli and published by IntechOpen. This book was released on 2011-07-20 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes are one of the most intriguing new materials with extraordinary properties being discovered in the last decade. The unique structure of carbon nanotubes provides nanotubes with extraordinary mechanical and electrical properties. The outstanding properties that these materials possess have opened new interesting researches areas in nanoscience and nanotechnology. Although nanotubes are very promising in a wide variety of fields, application of individual nanotubes for large scale production has been limited. The main roadblocks, which hinder its use, are limited understanding of its synthesis and electrical properties which lead to difficulty in structure control, existence of impurities, and poor processability. This book makes an attempt to provide indepth study and analysis of various synthesis methods, processing techniques and characterization of carbon nanotubes that will lead to the increased applications of carbon nanotubes.

Carbon Nanotube Networks and Their Application in Flexible Display Technology

Author : Axel Schindler
Publisher :
ISBN 13 : 9783736971318
Total Pages : 156 pages
Book Rating : 4.9/5 (713 download)

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Book Synopsis Carbon Nanotube Networks and Their Application in Flexible Display Technology by : Axel Schindler

Download or read book Carbon Nanotube Networks and Their Application in Flexible Display Technology written by Axel Schindler and published by . This book was released on 2019-12-19 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the use of carbon nanotubes in form of randomly oriented networks in display technology. Carbon nanotubes can behave either like a metal or like a semiconductor and are used in this work as transparent conductive pixel electrodes as well as semiconducting channel in thin-film transistors. Monte-Carlo simulations examine more closely the percolation probabilities of metallic and semiconducting nanotubes. The experimental part covers methods to create stable surfactant suspensions from nanotube powders, simple and cost-effective low temperature deposition processes from liquid phase on glass and flexible plastic substrates and patterning procedures of the created films. Electrical and optical characterization gives insight on their performance. The realization of liquid crystal and OLED displays shows the compatibility of transparent carbon nanotube electrodes with production processes. Results of the semiconductor application are presented on a transistor level. The dependence of the transistor performance on the network density for both, mixed and highly semiconducting nanotubes is discussed.

Nanoelectronics and Materials Development

Author : Abhijit Kar
Publisher : BoD – Books on Demand
ISBN 13 : 9535125257
Total Pages : 152 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Nanoelectronics and Materials Development by : Abhijit Kar

Download or read book Nanoelectronics and Materials Development written by Abhijit Kar and published by BoD – Books on Demand. This book was released on 2016-07-27 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current edited book presents some of the most advanced research findings in the field of nanotechnology and its application in materials development in a very concise form. The main focus of the book is dragged toward those materials where electronic properties are manipulated for development of advanced materials. We have discussed about the extensive usage of nanotechnology and its impact on various facets of the chip-making practice from materials to devices such as basic memory, quantum dots, nanotubes, nanowires, graphene-like 2D materials, and CIGS thin-film solar cells as energy-harvesting devices. Researchers as well as students can gain valuable insights into the different processing of nanomaterials, characterization procedures of the materials in nanoscale, and their different functional properties and applications.

Frontiers of Graphene and Carbon Nanotubes

Author : Kazuhiko Matsumoto
Publisher : Springer
ISBN 13 : 443155372X
Total Pages : 295 pages
Book Rating : 4.4/5 (315 download)

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Book Synopsis Frontiers of Graphene and Carbon Nanotubes by : Kazuhiko Matsumoto

Download or read book Frontiers of Graphene and Carbon Nanotubes written by Kazuhiko Matsumoto and published by Springer. This book was released on 2015-03-05 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on carbon nanotubes and graphene as representatives of nano-carbon materials, and describes the growth of new technology and applications of new devices. As new devices and as new materials, nano-carbon materials are expected to be world pioneers that could not have been realized with conventional semiconductor materials, and as those that extend the limits of conventional semiconductor performance. This book introduces the latest achievements of nano-carbon devices, processes, and technology growth. It is anticipated that these studies will also be pioneers in the development of future research of nano-carbon devices and materials. This book consists of 18 chapters. Chapters 1 to 8 describe new device applications and new growth methods of graphene, and Chapters 9 to 18, those of carbon nanotubes. It is expected that by increasing the advantages and overcoming the weak points of nanocarbon materials, a new world that cannot be achieved with conventional materials will be greatly expanded. We strongly hope this book contributes to its development.

Carbon Nanotubes

Author : Michael J. O’Connell
Publisher : CRC Press
ISBN 13 : 1420004212
Total Pages : 339 pages
Book Rating : 4.4/5 (2 download)

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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.

Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications

Author : Rayees Ahmad Zargar
Publisher : John Wiley & Sons
ISBN 13 : 1119865085
Total Pages : 436 pages
Book Rating : 4.1/5 (198 download)

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Book Synopsis Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications by : Rayees Ahmad Zargar

Download or read book Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications written by Rayees Ahmad Zargar and published by John Wiley & Sons. This book was released on 2023-11-07 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: METAL OXIDE NANOCOMPOSITE THIN FILMS FOR OPTOELECTRONIC DEVICE APPLICATIONS The book provides insight into the fundamental aspects, latest research, synthesis route development, preparation, and future applications of metal oxide nanocomposite thin films. The fabrication of thin film-based materials is important to the future production of safe, efficient, and affordable energy as the devices convert sunlight into electricity. Thin film devices allow excellent interface engineering for high-performance printable solar cells as their structures are highly reliable and stand-alone systems can provide the required megawatts. They have been used as power sources in solar home systems, remote buildings, water pumping, megawatt-scale power plants, satellites, communications, and space vehicles. Metal Oxide Nanocomposite Thin Films for Optoelectronic Device Applications covers the basics of advanced nanometal oxide-based materials, their synthesis, characterization, and applications, and all the updated information on optoelectronics. Topics discussed include the implications of metal oxide thin films, which are critical for device fabrications. It provides updated information on the economic aspect and toxicity, with great focus paid to display applications, and covers some core areas of nanotechnology, which are particularly concerned with optoelectronics and the available technologies. The book concludes with insights into the role of nanotechnology and the physics behind photovoltaics. Audience The book will be an important volume for electronics and electrical engineers, nanotechnologists, materials scientists, inorganic chemists in academic research, and those in industries, exploring the applications of nanoparticles in semiconductors, power electronics, and more.

Nanotubes and Nanowires

Author : Peter John Burke
Publisher : World Scientific
ISBN 13 : 9812704353
Total Pages : 135 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Nanotubes and Nanowires by : Peter John Burke

Download or read book Nanotubes and Nanowires written by Peter John Burke and published by World Scientific. This book was released on 2007 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of nanotubes and nanowires is evolving at a rapid pace, with many potential applications in electronics, optics, and sensors, to name a few. In this book, various prominent researchers summarize our current understanding of these new materials systems, as well as some of these potential applications. A snapshot of the state-of-the-art in the field of nanowires and nanotubes, the contributions give an instructive mix of experimental, theoretical, and visionary material to give the reader an indication of where the field is now, and where it is going. With several points of view represented, including academic theoreticians, academic experimental device engineers, and industry researchers from well-known semiconductor companies, Nanotubes and Nanowires is an essential source of reference for physicists, chemists, materials scientists, and graduate students interested in keeping abreast of the latest developments in nanotechnology.