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Carbon Nanotube And Graphene Device Physics

Author: H.-S. Philip Wong
Publisher: Cambridge University Press
ISBN: 0521519055
Size: 47.37 MB
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The first introductory textbook to explain the properties and performance of practical nanotube devices and related applications.

Micro And Nanoelectronics

Author: Tomasz Brozek
Publisher: CRC Press
ISBN: 1482214911
Size: 74.22 MB
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Micro- and Nanoelectronics: Emerging Device Challenges and Solutions presents a comprehensive overview of the current state of the art of micro- and nanoelectronics, covering the field from fundamental science and material properties to novel ways of making nanodevices. Containing contributions from experts in both industry and academia, this cutting-edge text: Discusses emerging silicon devices for CMOS technologies, fully depleted device architectures, characteristics, and scaling Explains the specifics of silicon compound devices (SiGe, SiC) and their unique properties Explores various options for post-CMOS nanoelectronics, such as spintronic devices and nanoionic switches Describes the latest developments in carbon nanotubes, iii-v devices structures, and more Micro- and Nanoelectronics: Emerging Device Challenges and Solutions provides an excellent representation of a complex engineering field, examining emerging materials and device architecture alternatives with the potential to shape the future of nanotechnology.

K Nnen Roboter L Gen Telepolis

Author: Raúl Rojas
Publisher: Heise Zeitschriften Verlag GmbH & Co. KG
ISBN: 3944099923
Size: 57.47 MB
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Dieses e-Book bietet dem Leser eine Sammlung von Essays über Kognitionswissenschaften, Mikroelektronik und Robotik, die in den Jahren 2011 bis 2013 in Telepolis erschienen sind. Wenn wir intelligente Maschinen bauen möchten, sollten wir als erstes die Intelligenz der Menschen und anderer Lebewesen unter der Lupe nehmen. So beschäftigen sich die Texte über das menschliche Gehirn mit der Struktur und Vernetzung unseren Neuronen, mit Messungen der neuronalen Aktivität und mit dem "Human Brain Project". Als Informatiker har Rojas seit Jahrzehnten die rasche Entwicklung der Mikroelektronik und die Möglichkeiten, die sie bietet, verfolgt, um intelligentes Verhalten in Maschinen nachzubauen. Das Mooresche Gesetz scheint sich immer wieder selbst am eigenen Schopf aus dem Sumpf zu ziehen, um alle technischen Schwierigkeiten zu überwinden. Milliarden von elektronischen Komponenten verbergen sich bereits in kleinsten Rechenmaschinen. Das Problem ist aber nun ein anderes, nämlich die Energiezufuhr zu garantieren und die übermäßige Wärmeentwicklung unter Kontrolle zu bringen. An der Stelle bleibt das biologische Vorbild immer noch unerreicht. Der dritte Teil über Robotik und KI gibt einen Einblick in die Arbeit, die in den letzten Jahren auf diesem Gebiet geleistet worden ist. Wir wären froh, mit Robotern die Eleganz eines Insekts bei der Bewältigung von Hindernissen zu erreichen. Wir können aber schon heute kleine und große Roboter - z.B. autonome Fahrzeuge - mit kognitiven Architekturen ausstatten, die eine effiziente und nützliche Funktionalität erlauben. Die Kapitel über Roboter, die lügen, bzw. über das Watson-System zeigen die zwei Seiten der Medaille: Wie weit die künstliche Intelligenz gekommen ist und wie weit entfernt sie doch noch vom Ziel bleibt.

Graphene And Carbon Nanotubes

Author: Ermin Malic
Publisher: John Wiley & Sons
ISBN: 3527658769
Size: 22.82 MB
Format: PDF, Mobi
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A first on ultrafast phenomena in carbon nanostructures like graphene, the most promising candidate for revolutionizing information technology and communication The book introduces the reader into the ultrafast nanoworld of graphene and carbon nanotubes, including their microscopic tracks and unique optical finger prints. The author reviews the recent progress in this field by combining theoretical and experimental achievements. He offers a clear theoretical foundation by presenting transparently derived equations. Recent experimental breakthroughs are reviewed. By combining both theory and experiment as well as main results and detailed theoretical derivations, the book turns into an inevitable source for a wider audience from graduate students to researchers in physics, materials science, and electrical engineering who work on optoelectronic devices, renewable energies, or in the semiconductor industry.

Low Dimensional Carbon Nanotube And Graphene Devices

Author: Philip Scard
Publisher:
ISBN:
Size: 50.90 MB
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Electronic devices in which the electrons are confined to fewer than three spatial dimensions are an important tool for physics research and future developments in computing technology. Recently discovered carbon nanotubes (1991) and graphene (2004) are intrinsically low-dimensional materials with remarkable electronic properties. Combined with semiconductor technologies they might be used to fabricate smaller devices with more complex functionality. This thesis addresses two routes towards this goal. The detection of charge transport through quantum dots using a GaAs point contact is a potential tool for quantum computation. This project aimed to fabricate and measure hybrid devices with carbon nanotube quantum dots on top of GaAs point contacts. Dispersion and AFM manipulations of nanotubes on GaAs were studied, revealing comparatively weak binding. Transport measurements indicated that GaAs induces disorder in nanotubes, creating multiple tunnel barriers. Preliminary attempts were made at CVD growth and ink-jet printing of nanotubes directly onto GaAs. Although only one atom thick, graphene is macroscopic in area and must be patterned to confine conduction; room temperature transistor behaviour requires graphene ribbons only a few nanometres wide. This work fabricated such structures using a charged AFM tip, achieving reliable cutting even on single layer graphene and feature sizes as small as 5 nm. The cutting mechanism was found to be chemical oxidation of carbon by a polarised water layer, with an activation energy determined by the energy of dissociation of water at the graphene surface. The critical variables were the voltage difference between the tip and graphene and the atmospheric humidity. An unstable solid oxide intermediate was also observed. Thermal annealing revealed the presence of a layer of water beneath flakes. Finally, EFM measurements were made of graphene at 20 mK, enabling estimates of the local carrier density and revealing spatial variations in the electronic structure on a scale consistent with electron and hole puddles.

Carbon Nanotube Electronics

Author: Ali Javey
Publisher: Springer Science & Business Media
ISBN: 9780387692852
Size: 34.52 MB
Format: PDF, Kindle
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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.

Cyberabad

Author: Ian McDonald
Publisher: Heyne Verlag
ISBN: 3641082889
Size: 80.64 MB
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Willkommen in der Zukunft, Indien! Wir schreiben das Jahr 2047: Indien feiert 100 Jahre Unabhängigkeit. Doch in dem Land, das mit seinen pulsierenden Großstädten, hypermodernen Computern und künstlichen Intelligenzen in der Moderne angekommen ist, werden auch zerstörerische Tendenzen sichtbar. Und während zehn Menschen auf ganz unterschiedliche Weise um ihr Schicksal und das ihres Landes ringen, entfaltet sich zwischen Slums und Großrechnern die digitale Zukunft der Menschheit...

Physics Of Carbon Nanotube Devices

Author: Francois Leonard
Publisher: William Andrew
ISBN: 0815519680
Size: 33.29 MB
Format: PDF, ePub
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Possibly the most impactful material in the nanotechnology arena, carbon nanotubes have spurred a tremendous amount of scientific research and development. Their superior mechanical and chemical robustness makes them easily manipulable and allows for the assembly of various types of devices, including electronic, electromechanical, opto-electronic and sensing devices. In the field of nanotube devices, however, concepts that describe the properties of conventional devices do not apply. Carbon nanotube devices behave much differently from those using traditional materials, and offer entirely new functionality. This book – designed for researchers, engineers and graduate students alike – bridges the experimental and theoretical aspects of carbon nanotube devices. It emphasizes and explains the underlying physics that govern their working principles, including applications in electronics, nanoelectromechanical systems, field emission, optoelectronics and sensing. Other topics include: electrical contacts, p-n junctions, transistors, ballistic transport, field emission, oscillators, rotational actuators, electron-phonon scattering, photoconductivity, and light emission. Many of the aspects discussed here differ significantly from those learned in books or traditional materials, and are essential for the future development of carbon nanotube technology. • Bridges experimental and theoretical aspects of carbon nanotube devices, focusing on the underlying physics that govern their working principles • Explains applications in electronics, nanoelectromechanical systems, field emission, optoelectronics and sensing. • Other topics include: electrical contacts, p-n junctions, transistors, ballistic transport, field emission, oscillators, rotational actuators, electron-phonon scattering, photoconductivity, and light emission. • Covers aspects that significantly differ from those learned in traditional materials, yet are essential for future advancement of carbon nanotube technology. * Bridges experimental and theoretical aspects of carbon nanotube devices, focusing on the underlying physics that govern their working principles * Explains applications in electronics, nanoelectromechanical systems, field emission, optoelectronics and sensing. * Other topics include: electrical contacts, p-n junctions, transistors, ballistic transport, field emission, oscillators, rotational actuators, electron-phonon scattering, photoconductivity, and light emission * Covers aspects that significantly differ from those learned in traditional materials, yet are essential for future advancement of carbon nanotube technology.