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The Physics Of Low Dimensional Semiconductors

Author: John H. Davies
Publisher: Cambridge University Press
ISBN: 9780521484916
Size: 14.64 MB
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The composition of modern semiconductor heterostructures can be controlled precisely on the atomic scale to create low-dimensional systems. These systems have revolutionised semiconductor physics, and their impact on technology, particularly for semiconductor lasers and ultrafast transistors, is widespread and burgeoning. This book provides an introduction to the general principles that underlie low-dimensional semiconductors. As far as possible, simple physical explanations are used, with reference to examples from actual devices. The author shows how, beginning with fundamental results from quantum mechanics and solid-state physics, a formalism can be developed that describes the properties of low-dimensional semiconductor systems. Among numerous examples, two key systems are studied in detail: the two-dimensional electron gas, employed in field-effect transistors, and the quantum well, whose optical properties find application in lasers and other opto-electronic devices. The book includes many exercises and will be invaluable to undergraduate and first-year graduate physics or electrical engineering students taking courses in low-dimensional systems or heterostructure device physics.

Excitons In Low Dimensional Semiconductors

Author: Stephan Glutsch
Publisher: Springer Science & Business Media
ISBN: 9783540202400
Size: 73.52 MB
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The author develops the effective-mass theory of excitons in low-dimensional semiconductors and describes numerical methods for calculating the optical absorption including Coulomb interaction, geometry, and external fields. The theory is applied to Fano resonances in low-dimensional semiconductors and the Zener breakdown in superlattices. Comparing theoretical results with experiments, the book is essentially self-contained; it is a hands-on approach with detailed derivations, worked examples, illustrative figures, and computer programs. The book is clearly structured and will be valuable as an advanced-level self-study or course book for graduate students, lecturers, and researchers.

Low Dimensional Semiconductor Structures

Author: Keith Barnham
Publisher: Cambridge University Press
ISBN: 9780521599047
Size: 27.32 MB
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Low-Dimensional Semiconductor Structures provides a seamless, atoms-to-devices introduction to the latest quantum heterostructures. It covers their fabrication, their electronic, optical and transport properties, their role in exploring physical phenomena, and their utilization in devices. The authors begin with a detailed description of the epitaxial growth of semiconductors. They then deal with the physical behaviour of electrons and phonons in low-dimensional structures. A discussion of localization effects and quantum transport phenomena is followed by coverage of the optical properties of quantum wells. They then go on to discuss non-linear optics in quantum heterostructures. The final chapters deal with semiconductor lasers, mesoscopic devices, and high-speed heterostructure devices. The book contains many exercises and comprehensive references. It is suitable as a textbook for graduate-level courses in electrical engineering and applied physics. It will also be of interest to engineers involved in the development of semiconductor devices.

Low Dimensional Semiconductor Structures

Author: Hilmi Ünlü
Publisher: Springer Science & Business Media
ISBN: 3642284248
Size: 47.84 MB
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Starting with the first transistor in 1949, the world has experienced a technological revolution which has permeated most aspects of modern life, particularly over the last generation. Yet another such revolution looms up before us with the newly developed capability to control matter on the nanometer scale. A truly extraordinary research effort, by scientists, engineers, technologists of all disciplines, in nations large and small throughout the world, is directed and vigorously pressed to develop a full understanding of the properties of matter at the nanoscale and its possible applications, to bring to fruition the promise of nanostructures to introduce a new generation of electronic and optical devices. The physics of low dimensional semiconductor structures, including heterostructures, superlattices, quantum wells, wires and dots is reviewed and their modeling is discussed in detail. The truly exceptional material, Graphene, is reviewed; its functionalization and Van der Waals interactions are included here. Recent research on optical studies of quantum dots and on the physical properties of one-dimensional quantum wires is also reported. Chapters on fabrication of nanowire – based nanogap devices by the dielectrophoretic assembly approach. The broad spectrum of research reported here incorporates chapters on nanoengineering and nanophysics. In its presentation of tutorial chapters as well as advanced research on nanostructures, this book is ideally suited to meet the needs of newcomers to the field as well as experienced researchers interested in viewing colleagues’ recent advances.

Electronic Properties Of Multilayers And Low Dimensional Semiconductor Structures

Author: J.M. Chamberlain
Publisher: Springer Science & Business Media
ISBN: 146847412X
Size: 42.10 MB
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This Advanced Study Institute on the Electronic Properties of Multilayers and Low Dimensional Semiconductor Structures focussed on several of the most active areas in modern semiconductor physics. These included resonant tunnelling and superlattice phenomena and the topics of ballistic transport, quantised conductance and anomalous magnetoresistance effects in laterally gated two-dimensional electron systems. Although the main emphasis was on fundamental physics, a series of supporting lectures described the underlying technology (Molecular Beam Epitaxy, Metallo-Organic Chemical Vapour Deposition, Electron Beam Lithography and other advanced processing technologies). Actual and potential applications of low dimensional structures in optoelectronic and high frequency devices were also discussed. The ASI took the form of a series of lectures of about fifty minutes' duration which were given by senior researchers from a wide range of countries. Most of the lectures are recorded in these Proceedings. The younger members of the Institute made the predominant contribution to the discussion sessions following each lecture and, in addition, provided most of the fifty-five papers that were presented in two lively poster sessions. The ASl emphasised the impressive way in which this research field has developed through the fruitful interaction of theory, experiment and semiconductor device technology. Many of the talks demonstrated both the effectiveness and limitations of semiclassical concepts in describing the quantum phenomena exhibited by electrons in low dimensional structures.

Physics Of Low Dimensional Semiconductor Structures

Author: Paul N. Butcher
Publisher: Springer Science & Business Media
ISBN: 1489924159
Size: 33.93 MB
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Presenting the latest advances in artificial structures, this volume discusses in-depth the structure and electron transport mechanisms of quantum wells, superlattices, quantum wires, and quantum dots. It will serve as an invaluable reference and review for researchers and graduate students in solid-state physics, materials science, and electrical and electronic engineering.

Nanophysik Und Nanotechnologie

Author: Edward L. Wolf
Publisher: John Wiley & Sons
ISBN: 3527687386
Size: 42.56 MB
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Noch hat das Motto "Alles muss kleiner werden" nicht an Faszination verloren. Physikern, Ingenieuren und Medizinern erschlie?t sich mit der Nanotechnologie eine neue Welt mit faszinierenden Anwendungen. E.L. Wolf, Physik-Professor in Brooklyn, N.Y., schrieb das erste einf?hrende Lehrbuch zu diesem Thema, in dem er die physikalischen Grundlagen ebenso wie die Anwendungsm?glichkeiten der Nanotechnologie diskutiert. Mittlerweile ist es in der 3. Auflage erschienen und liegt jetzt endlich auch auf Deutsch vor. Dieses Lehrbuch bietet eine einzigartige, in sich geschlossene Einf?hrung in die physikalischen Grundlagen und Konzepte der Nanowissenschaften sowie Anwendungen von Nanosystemen. Das Themenspektrum reicht von Nanosystemen ?ber Quanteneffekte und sich selbst organisierende Strukturen bis hin zu Rastersondenmethoden. Besonders die Vorstellung von Nanomaschinen f?r medizinische Anwendungen ist faszinierend, wenn auch bislang noch nicht praktisch umgesetzt. Der dritten Auflage, auf der diese ?bersetzung beruht, wurde ein neuer Abschnitt ?ber Graphen zugef?gt. Die Diskussion m?glicher 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 f?hrt mit diesem Lehrbuch Studenten der Physik, Chemie sowie Ingenieurwissenschaften von den Grundlagen bis auf den Stand der aktuellen Forschung. Die leicht zu lesende Einf?hrung in dieses faszinierende Forschungsgebie ist geeignet f?r fortgeschrittene Bachelor- und Masterstudenten mit Vorkenntnissen in Physik und Chemie. "Zusammenfassend ist festzustellen, dass Edward L. Wolf trotz der reichlich vorhandenen Literatur zur Nanotechnologie ein individuell gestaltetes einf?hrendes Lehrbuch gelungen ist. Es eignet sich - nicht zuletzt dank der enthaltenen ?bungsaufgaben - bestens zur Vorlesungsbegleitung f?r Studierende der Natur- und Ingenieurwissenschaften sowie auch spezieller nanotechnologisch orientierter Studieng?nge." Physik Journal "...eine sehr kompakte, lesenswerte und gut verst?ndliche Einf?hrung in die Quantenmechanik sowie ihre Auswirkungen auf die Materialwissenschaften..." Chemie Ingenieur Technik

Low Dimensional Semiconductors

Author: M. J. Kelly
Publisher: Clarendon Press
ISBN: 0191590096
Size: 10.39 MB
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This text is a first attempt to pull together the whole of semiconductor science and technology since 1970 in so far as semiconductor multilayers are concerned. Material, technology, physics and device issues are described with approximately equal emphasis, and form a single coherant point of view. The subject matter is the concern of over half of today's active semiconductor scientists and technologists, the remainder working on bulk semiconductors and devices. It is now routine to design and the prepare semiconductor multilayers at a time, with independent control over the dropping and composition in each layer. In turn these multilayers can be patterned with features that as a small as a few atomic layers in lateral extent. The resulting structures open up many new ares of exciting solid state and quantum physics. They have also led to whole new generations of electronic and optoelectronic devices whose superior performance relates back to the multilayer structures. The principles established in the field have several decades to go, advancing towards the ultimate of materials engineering, the design and preparation of solids atom by atom. The book should appeal equally to physicists, electronic engineers and materials scientists.

Nanotechnologie F R Dummies

Author: Richard D. Booker
Publisher: John Wiley & Sons
ISBN: 3527801898
Size: 20.85 MB
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Ob in der Chemie, Physik, Biologie, Medizin, Pharmazie oder den Materialwissenschaften: Die Nanotechnologie ist ?berall vertreten und gilt als Forschungsfeld der Zukunft. Schon heute verstecken sich in unserem Alltag viele nanotechnologische Anwendungen und ihre Zahl w?chst st?ndig. Dank ?Nanotechnologie f?r Dummies? erfahren Sie, wie Nanomaterialien erforscht und genutzt werden, welche Anwendungen in Zukunft m?glich sein k?nnten und wie sogar die Umwelt von der Nanotechnologie profitieren kann. Die Autoren erl?utern dabei alles leicht verst?ndlich und lassen auch m?gliche Risiken nicht au?en vor. So lernen Sie alles, was Sie ?ber dieses Trendthema wissen sollten.