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Author : Frank Oliver Kuehnel
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.3/5 (129 download)
Download or read book Magnetoconductivity of Two-dimensional Electron Systems written by Frank Oliver Kuehnel and published by . This book was released on 2000 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E.Y. Andrei
Publisher : Springer Science & Business Media
ISBN 13 : 9401512868
Total Pages : 398 pages
Book Rating : 4.4/5 (15 download)
Download or read book Two-Dimensional Electron Systems written by E.Y. Andrei and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies on two-dimensional systems have led to new insights into the fascinating interplay between physical properties and dimensionality. Many of these ideas have emerged from work on electrons bound to the surface of a weakly polarizable substrate such as liquid helium or solid hydrogen. The research on this subject continues to be at the forefront of modern condensed matter physics because of its fundamental simplicity as well as its connection to technologically useful devices. This book is the first comprehensive overview of experimental and theoretical research in this exciting field. It is intended to provide a coherent introduction for graduate students and non-experts, while at the same time serving as a reference source for active researchers in the field. The chapters are written by individuals who made significant contributions and cover a variety of specialized topics. These include the origin of the surface states, tunneling and magneto-tunneling out of these states, the phase diagram, collective excitations, transport and magneto-transport.
Author : A. Isihara
Publisher :
ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (227 download)
Download or read book Two-Dimensional Electrons written by A. Isihara and published by . This book was released on 1985 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers Submitted: Two-Dimensional Electrons in Strong Magnetic Field, Low-temperature Properties of Two-Dimensional Electrons. Effects of Level Broadening on the Magnetothermal Oscillations in Two-Dimensional Electron Systems; Magnetothermal Oscillations in a Two-Dimensional Electron System; Elementary Excitations and Energy Dispersion in TTF-TCNQ, Magnetoconductivity of 2D Conductors; Memory Function for Cyclotron Resonance of Two-Dimensional Electron Systems; and Quantum Oscillations of 2D Electron Systems.
Author : A. Isihara
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (227 download)
Download or read book Quantized Hall Effect in Two-Dimensional Electron Systems written by A. Isihara and published by . This book was released on 1985 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A strong feedback of density fluctuations to electron density-density correlations leads to a nonlinear integral equation for the memory function in the magnetoconductivity of 2D electron systems. It is shown that this integral equation has a solution which represents the quantized Hall effect and that the solution is independent of impurity scattering. Thus, the quantized Hall effect is explained. The quantized Hall effect has a very important practical application: It provides the best standard for resistivity. Additional keywords: Equations; and Naval research.
Author : L. Smrcka
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (227 download)
Download or read book Quantum Oscillations in Two-Dimensional Systems with Finite Width written by L. Smrcka and published by . This book was released on 1986 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The quantum oscillations of the conductivity components of two-dimensional electron systems with finite width are evaluated explicitly as functions of the electron Fermi energy for a set of magnetic fields. The theoretical magnetoconductivity reproduces well the main features of the data on Si inversion layers at 140 and 110 nm.
Author : Muhammad Usman Shaukat
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.:/5 (835 download)
Download or read book Microwave and Terahertz Studies of the Electron Dynamics in Two-dimensional Electron Systems written by Muhammad Usman Shaukat and published by . This book was released on 2012 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis reports the design and implementation of different experimental systems to study electron-dynamics in two-dimensional electron gases (2DEGs) at microwave and terahertz (THz) frequencies. Both time and frequency domain techniques have been used to study the transport properties of electrons in GaAs/Al- GaAs heterostructures. First of all a free-space time-domain spectroscopy (TDS) polarisation sensitive detection system capable of measuring the full polarization state of a propagating THz electric field has been demonstrated. Polarization- sensitive systems provide additional information on material characterization that is inaccessible through conventional techniques. The polarization sensitivity of the THz-TDS system has been evaluated using a 0.5mm thick LiNbO3 sample. The ability to measure the rotation in polarisation caused by a sample allows measurement of direction-dependent material properties, such as the electrical conductivity of low-dimensional semiconductors displaying the quantum Hall effect, or the di-electric permitivity in anisotropic material systems. The newly designed system has been used to evaluate the magneto-conductivity of a 2DEG up to 1.4 THz and 6T. Two separate continuous-wave polarisation-sensitive free-space systems, operating at microwave and THz frequencies, have also been demonstrated. Both systems have been used to study the magneto-conductivity of a 2DEG at microwave (75{110 GHz) and THz (2.6{3.2 THz) frequencies up to a magnetic field of 8T. The continuous-wave microwave system has also been used to study the phenomenon of edge magneto-plasmons in a 2DEG. The work presented in this thesis provides a valuable groundwork to study the electron-dynamics in 2DEGs over a wide range of frequencies (both microwave and THz) and for a wide range of experimental conditions.
Author : Oleg Kirichek
Publisher : Nova Biomedical Books
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.F/5 ( download)
Download or read book Edge Excitations of Low-dimensional Charged Systems written by Oleg Kirichek and published by Nova Biomedical Books. This book was released on 2001 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Observation of edge magnetoplasmons (EMP) was one of the most unexpected discoveries in physics of two-dimensional electron systems (2DES). In contrast to "bulk" 2DES plasmons with frequencies equal to or larger than the cyclotron frequency, the edge magnetoplasmons confine near the edge of 2DES and have a gapless spectrum. The possibility of observing EMP in different kinds of 2DES realised in the semiconductor structure, on the liquid helium surface or in 2D sheet of ions trapped below the helium surface offers a powerful spectroscopic tool for the study of the general properties of 2DES. The main purpose of this book is to outline theoretical concepts and some recently obtained results of experimental investigations of EMP in 2DES. The theories presented in this book cover a broad range of intensively studying EMP properties, while the experimental part of the book is mainly focused on just a few intriguing results. In addition, attention is paid to the possible EMP applications.
Author : Y. Shiwa
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (227 download)
Download or read book On the Memory-Function Formulation of the Dynamic Conductivity for Two-Dimensional Electrons in a Magnetic Field written by Y. Shiwa and published by . This book was released on 1983 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: By considering electron-electron and electron-impurity scattering, a new exact formula for the memory function of AC conductivity based upon a projection operator formalism is obtained for two-dimensional electron systems in a magnetic field. This formula is free from an undesired divergence, and leads to various approximate expressions used in the literature in the limit of small impurity concentration or strong magnetic field.
Author : Tor A Fjeldly
Publisher : World Scientific
ISBN 13 : 9814491608
Total Pages : 374 pages
Book Rating : 4.8/5 (144 download)
Download or read book Advances In Surface Acoustic Wave Technology, Systems & Applications, Vol 2 written by Tor A Fjeldly and published by World Scientific. This book was released on 2001-01-31 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface acoustic wave (SAW) devices are recognized for their versatility and efficiency in controlling and processing electrical signals. This has resulted in a multitude of device concepts for a wide range of signal processing functions, such as delay lines, filters, resonators, pulse compressors, convolvers, and many more. As SAW technology has found its way into mass market products such as TV receivers, pagers, keyless entry systems and cellular phones, the production volume has risen to millions of devices produced every day. At the other end of the scale, these are specialized high performance signal processing SAW devices for satellite communication and military applications, such as radar and electronic warfare.This volume, together with Volume 1, presents an overview of recent advances in SAW technology, systems and applications by some of the foremost researchers in this exciting field.
Author : J.D. Chadi
Publisher : Springer Science & Business Media
ISBN 13 : 1461576822
Total Pages : 1580 pages
Book Rating : 4.4/5 (615 download)
Download or read book Proceedings of the 17th International Conference on the Physics of Semiconductors written by J.D. Chadi and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 1580 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Proceedings of the 17th International Conference on the Physics of Semiconductors are contained in this volume. A record 1050 scientists from 40 countries participated in the Conference which was held in San Francisco August 6·1 0, 1984. The Conference was organized by the ICPS Committee and sponsored by the International Union of Pure and Applied Physics and other professional, government, and industrial organizations listed on the following pages. Papers representing progress in all aspects of semiconductor physics were presented. Far more abstracts (765) than could be presented in a five-day meeting were considered by the International Program Committee. A total of 350 papers, consisting of 5 plenary, 35 invited, and 310 contributed, were presented at the Conference in either oral or poster sessions. All but a few of the papers were submitted and have been included in these Proceedings. An interesting shift in subject matter, in comparison with earlier Conferences, is manifested by the large number of papers on surfaces, interfaces, and quantum wells. To facilitate the use of the Proceedings in finding closely related papers among the sometimes relatively large number of contributions within a main subject area, we chose not to arrange the papers strictly according to the Conference schedule. We have organized the book, as can be seen from the Contents, into specific subcategories and subdivisions within each major category. Plenary and invited papers have been placed together with the appropriate contributed papers.
Author : Gottfried Landwehr
Publisher : Springer Science & Business Media
ISBN 13 : 3642838103
Total Pages : 666 pages
Book Rating : 4.6/5 (428 download)
Download or read book High Magnetic Fields in Semiconductor Physics II written by Gottfried Landwehr and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains contributions presented at the International Conference "The Application of High Magnetic Fields in Semiconductor Physics", which was held at the University of Wiirzburg from August 22 to 26, 1988. In the tradition of previous Wiirzburg meetings on the subject - the first conference was held in 1972 - only invited papers were presented orally. All 42 lecturers were asked to review their subject to some extent so that this book gives a good overview of the present state of the respective topic. A look at the contents shows that the subjects which have been treated at previous conferences have not lost their relevance. On the contrary, the application of high magnetic fields to semiconductors has grown substantially during the recent past. For the elucidation of the electronic band structure of semicon ductors high magnetic fields are still an indispensable tool. The investigation of two-dimensional electronic systems especially is frequently connected with the use of high magnetic fields. The reason for this is that a high B-field adds angular momentum quantization to the boundary quantization present in het erostructures and superlattices. A glance at the contributions shows that the majority deal with 2D properties. Special emphasis was on the integral and fractional quantum Hall effect. Very recent results related to the observation of a fraction with an even denbminator were presented. It became obvious that the polarization of the different fractional Landau levels is more complicated than originally anticipated.
Author :
Publisher : Elsevier
ISBN 13 : 0444600434
Total Pages : 849 pages
Book Rating : 4.4/5 (446 download)
Download or read book Landau Level Spectroscopy written by and published by Elsevier. This book was released on 2012-12-02 with total page 849 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Problems in Condensed Matter Sciences, Volume 27.2: Landau Level Spectroscopy focuses on the processes, reactions, methodologies, and approaches involved in condensed matter sciences, including magnetospectroscopy, resonances, electrodynamics, and magnetic fields. The selection first offers information on the magnetospectroscopy of confined semiconductor systems and the magnetophonon effect in two dimensions. Discussions focus on hot-electron magnetophonon resonance, normal resonances, free carrier states, confined impurities, and electron-phonon interaction. The text then takes a look at the energy spectrum and magnetooptics of band-inverting heterojunctions and the electrodynamics of two-dimensional electron systems in high magnetic fields. The publication examines Landau emission and the Shubnikov-de Haas (SdH) effect. Topics include smooth magnetoresistance and SdH effect, Landau level electronic lifetimes, experimental techniques, and Landau emission in III-IV semiconductors. The book then elaborates on a comprehensive review of the experimental aspects of the SdH effect; magnetoimpurity resonances in semiconductor transport; and magnetophonon resonance. The selection is a highly recommended reference for scientists and readers interested in the Landau level spectroscopy.
Author : Clemens C. W. Ruppel
Publisher : World Scientific
ISBN 13 : 9810245386
Total Pages : 374 pages
Book Rating : 4.8/5 (12 download)
Download or read book Advances in Surface Acoustic Wave Technology, Systems and Applications written by Clemens C. W. Ruppel and published by World Scientific. This book was released on 2001 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface acoustic wave (SAW) devices are recognized for their versatility and efficiency in controlling and processing electrical signals. This has resulted in a multitude of device concepts for a wide range of signal processing functions, such as delay lines, filters, resonators, pulse compressors, convolvers, and many more. As SAW technology has found its way into mass market products such as TV receivers, pagers, keyless entry systems and cellular phones, the production volume has risen to millions of devices produced every day. At the other end of the scale, there are specialized high performance signal processing SAW devices for satellite communication and military applications, such as radar and electronic warfare. This volume, together with Volume 2, presents an overview of recent advances in SAW technology, systems and applications by some of the foremost researchers in this exciting field.
Author :
Publisher :
ISBN 13 :
Total Pages : 1058 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics Briefs written by and published by . This book was released on 1993 with total page 1058 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ladislaus Alexander Banyai
Publisher : World Scientific
ISBN 13 : 9814478180
Total Pages : 247 pages
Book Rating : 4.8/5 (144 download)
Download or read book Lectures On Non-equilibrium Theory Of Condensed Matter written by Ladislaus Alexander Banyai and published by World Scientific. This book was released on 2006-08-01 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses in depth many of the key problems in non-equilibrium physics. The origin of macroscopic irreversible behavior receives particular attention and is illustrated in the framework of solvable models. An updated discussion on the linear response focuses on the correct electrodynamic aspects, which are essential for example, in the proof of the Nyquist theorem. The material covers the scaling relationship between different levels of description (kinetic to hydrodynamic) as well as spontaneous symmetry breaking in real time in terms of nonlinear dynamics (attractors), illustrated using the example of Bose-Einstein condensation. The presentation also includes the latest developments — quantum kinetics — related to modern ultrafast spectroscopy, where transition from reversible to irreversible behavior occurs. remove /a remove
Author : Gerhard Dorda
Publisher :
ISBN 13 :
Total Pages : 600 pages
Book Rating : 4.3/5 (243 download)
Download or read book Electronic Properties of Two-dimensional Systems written by Gerhard Dorda and published by . This book was released on 1978 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
