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Graphene - A New Paradigm in Condensed Matter and Device Physics (Paperback): EL Wolf Graphene - A New Paradigm in Condensed Matter and Device Physics (Paperback)
EL Wolf
R1,581 Discovery Miles 15 810 Ships in 10 - 15 working days

The book is an introduction to the science and possible applications of Graphene, the first one-atom-thick crystalline form of matter. Discovered in 2004 by now Nobelists Geim and Novoselov, the single layer of graphite, a hexagonal network of carbon atoms, has astonishing electrical and mechanical properties. It supports the highest electrical current density of any material, far exceeding metals copper and silver. Its absolute minimum thickness, 0.34 nanometers, provides an inherent advantage in possible forms of digital electronics past the era of Moore's Law. The book describes the unusual physics of the material, that it offers linear rather than parabolic energy bands. The Dirac-like electron energy bands lead to high constant carrier speed, similar to light photons. The lattice symmetry further implies a two-component wave-function, which has a practical effect of cancelling direct backscattering of carriers. The resulting high carrier mobility allows observation of the Quantum Hall Effect at room temperature, unique to Graphene. The material is two-dimensional, but in sizes micrometers nearly to meters displays great tensile strength but vanishing resistance to bending. The book reviews theoretical predictions of excessive atomic vibrational motion, tied to the dimensionality. As explained, these predictions seem not of practical consequence, and such effects are unobservable in samples up to nearly one meter size. The disintegration temperature of this refractory material is estimated as 4900K, certainly higher than the measured sublimation temperature of graphite, 3900K. As explained, applications of Graphene come in classes that range from additives to composite materials to field effect transistor elements capable of extremely high frequency operation. The classes of applications correlate with differing methods of fabrication, from inexpensive chemical exfoliations of graphite, to chemical vapour deposition on catalytic substrates as Cu and Ni, at temperatures around 1300K. The book reviews potential applications within existing electronics, to include interconnect wires, flash-memory elements, and high frequency field effect transistors. The chance to supplant the dominant CMOS family of silicon logic devices is assessed.

Principles of Electron Tunneling Spectroscopy - Second Edition (Hardcover, 2nd Revised edition): EL Wolf Principles of Electron Tunneling Spectroscopy - Second Edition (Hardcover, 2nd Revised edition)
EL Wolf
R3,140 R2,974 Discovery Miles 29 740 Save R166 (5%) Ships in 10 - 15 working days

Electron tunnelling spectroscopy is a research tool which has strongly advanced understanding of superconductivity. With the invention of the scanning tunneling microscope, STM, by Nobelists G. Binnig and H. Rohrer, beautiful images of atoms, rings of atoms and of exotic states in high temperature superconductors have appeared. Some of the most famous images of any kind, at this date, are STM topographs. This book explains the physics and the instrumentation behind the advances illustrated in the famous images, and summarizes the state of knowledge that has resulted. It presents the current state of the art of tunneling- and scanning tunneling spectroscopies of atoms, molecules and especially superconductors. The first edition of Principles of Electron Tunneling Spectroscopy has been a standard reference for active researchers for many years. This second edition fully embraces the advances represented by the scanning tunnelling microscope and, especially, scanning tunnelling spectroscopy. Stunning images of single atoms and spectral images of impurity states in high temperature superconductors will set this volume apart from its predecessor. The background and current status are provided for applications of Scanning Tunneling Microscopy and Spectroscopy to single atoms and molecules, including determination of bonding energies and vibrational frequencies. The applications to high temperature superconductivity are carefully introduced and the current status is described. A new section covers the astounding advances in instrumentation, which now routinely provide atomic resolution, and, in addition, developments in imaging and image processing, such as Fourier Transform Scanning Tunneling Spectroscopy.

Graphene - A New Paradigm in Condensed Matter and Device Physics (Hardcover): EL Wolf Graphene - A New Paradigm in Condensed Matter and Device Physics (Hardcover)
EL Wolf
R3,513 Discovery Miles 35 130 Ships in 10 - 15 working days

The book is an introduction to the science and possible applications of Graphene, the first one-atom-thick crystalline form of matter. Discovered in 2004 by now Nobelists Geim and Novoselov, the single layer of graphite, a hexagonal network of carbon atoms, has astonishing electrical and mechanical properties. It supports the highest electrical current density of any material, far exceeding metals copper and silver. Its absolute minimum thickness, 0.34 nanometers, provides an inherent advantage in possible forms of digital electronics past the era of Moore's Law. The book describes the unusual physics of the material, that it offers linear rather than parabolic energy bands. The Dirac-like electron energy bands lead to high constant carrier speed, similar to light photons. The lattice symmetry further implies a two-component wave-function, which has a practical effect of cancelling direct backscattering of carriers. The resulting high carrier mobility allows observation of the Quantum Hall Effect at room temperature, unique to Graphene. The material is two-dimensional, but in sizes micrometers nearly to meters displays great tensile strength but vanishing resistance to bending. The book reviews theoretical predictions of excessive atomic vibrational motion, tied to the dimensionality. As explained, these predictions seem not of practical consequence, and such effects are unobservable in samples up to nearly one meter size. The disintegration temperature of this refractory material is estimated as 4900K, certainly higher than the measured sublimation temperature of graphite, 3900K. As explained, applications of Graphene come in classes that range from additives to composite materials to field effect transistor elements capable of extremely high frequency operation. The classes of applications correlate with differing methods of fabrication, from inexpensive chemical exfoliations of graphite, to chemical vapour deposition on catalytic substrates as Cu and Ni, at temperatures around 1300K. The book reviews potential applications within existing electronics, to include interconnect wires, flash-memory elements, and high frequency field effect transistors. The chance to supplant the dominant CMOS family of silicon logic devices is assessed.

Applications of Graphene - An Overview (Paperback, 2014 ed.): EL Wolf Applications of Graphene - An Overview (Paperback, 2014 ed.)
EL Wolf
R1,603 Discovery Miles 16 030 Ships in 18 - 22 working days

Graphene is presented and analyzed as a replacement for silicon. The Primary focus is on solar cell and CMOS device technologies, with attention to the fabrication methods, including extensions needed, in each case. Specialized applications for graphene within the existing silicon technology are discussed and found to be promising.

Nanophysics and Nanotechnology 3e - An Introduction to Modern Concepts in Nanoscience (Paperback, 3rd Edition): EL Wolf Nanophysics and Nanotechnology 3e - An Introduction to Modern Concepts in Nanoscience (Paperback, 3rd Edition)
EL Wolf
R1,746 Discovery Miles 17 460 Ships in 10 - 15 working days

Long awaited new edition of this highly successful textbook, provides once more a unique introduction to the concepts, techniques and applications of nanoscale systems by covering its entire spectrum up to recent findings on graphene.

Nanophysik und Nanotechnologie - Eine Einfuhrung in die Konzepte der Nanowissenschaften (German, Paperback): EL Wolf Nanophysik und Nanotechnologie - Eine Einfuhrung in die Konzepte der Nanowissenschaften (German, Paperback)
EL Wolf
R1,075 R985 Discovery Miles 9 850 Save R90 (8%) Ships in 9 - 17 working days

Noch hat das Motto Alles muss kleiner werden nicht an Faszination verloren. Physikern, Ingenieuren und Medizinern erschliesst sich mit der Nanotechnologie eine neue Welt mit faszinierenden Anwendungen. E.L. Wolf, Physik-Professor in Brooklyn, N.Y., schrieb das erste einfuhrende Lehrbuch zu diesem Thema, in dem er die physikalischen Grundlagen ebenso wie die Anwendungsmoglichkeiten der Nanotechnologie diskutiert. Mittlerweile ist es in der 3. Aufl age erschienen und liegt jetzt endlich auch auf Deutsch vor. Dieses Lehrbuch bietet eine einzigartige, in sich geschlossene Einfuhrung in die physikalischen Grundlagen und Konzepte der Nanowissenschaften sowie Anwendungen von Nanosystemen. Das Themenspektrum reicht von Nanosystemen uber Quanteneff ekte und sich selbst organisierende Strukturen bis hin zu Rastersondenmethoden. Besonders die Vorstellung von Nanomaschinen fur medizinische Anwendungen ist faszinierend, wenn auch bislang noch nicht praktisch umgesetzt. Der dritten Aufl age, auf der diese Ubersetzung beruht, wurde ein neuer Abschnitt uber Graphen zugefugt. Die Diskussion moglicher Anwendungen in der Energietechnik, Nanoelektronik und Medizin wurde auf neuesten Stand gebracht und wieder aktuelle Beispiele herangezogen, um wichtige Konzepte und Forschungsinstrumente zu illustrieren. Der Autor fuhrt mit diesem Lehrbuch Studenten der Physik, Chemie sowie Ingenieurwissenschaften von den Grundlagen bis auf den Stand der aktuellen Forschung. Die leicht zu lesende Einfuhrung in dieses faszinierende Forschungsgebiet ist geeignet fur fortgeschrittene Bachelor- und Masterstudenten mit Vorkenntnissen in Physik und Chemie. Stimmen zur englischen Vorauflage Zusammenfassend ist festzustellen, dass Edward L. Wolf trotz der reichlich vorhandenen Literatur zur Nanotechnologie ein individuell gestaltetes einfuhrendes Lehrbuch gelungen ist. Es eignet sich nicht zuletzt dank der enthaltenen Ubungsaufgaben bestens zur Vorlesungsbegleitung fur Studierende der Natur- und Ingenieurwissenschaften sowie auch spezieller nanotechnologisch orientierter Studiengange. Physik Journal ...eine sehr kompakte, lesenswerte und gut verstandliche Einfuhrung in die Quantenmechanik sowie ihre Auswirkungen auf die Materialwissenschaften ...Chemie Ingenieur Technik

Physics and Technology of Sustainable Energy (Hardcover): EL Wolf Physics and Technology of Sustainable Energy (Hardcover)
EL Wolf
R2,460 Discovery Miles 24 600 Ships in 10 - 15 working days

This textbook explores the science and tecnologies needed for renewable energy. It examines the properties of the earth's atmosphere for transmitting light in from the sun and mediating outflow of infrared energy from the ground, a role that has an effect on the temperature of the earth. It begins by explaining how the sun works, that is by nuclear fusion, and the basic concepts of quantum tunnelling needed are later expanded to allow a competent treatment of semiconductor physics, the discipline behind solar cells. The book covers wind turbine technology, hydroelectric power and pumped-hydro energy storage. It also talks about the history of the Earth's climate and discusses the effects that the present fossil fuel burning, leading to large emission of greenhouse gas, may have on the future temperature of the earth. The sustainable energy discussed in this book will be available in the long term, past the remaining availability of carbon energy, and is also energy that will not tip the climate into warmer conditions. In connection to this, the action of the atmosphere is analyzed both for its transmission of sunlight to the surface for use in solar power, and in secondary forms such as wind, waves and hydroelectricity. Greenhouse gas impurities, such as carbon dioxide, are also examined for their effects on the atmosphere. Building on this analysis, prospects for sustainable energy and moderate climate are assessed.

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