Phonons In Nanostructures

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Phonons in Nanostructures

Author : Michael A. Stroscio,Mitra Dutta
Publisher : Cambridge University Press
Page : 290 pages
File Size : 55,7 Mb
Release : 2001-08-23
Category : Science
ISBN : 9781139430326

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Phonons in Nanostructures by Michael A. Stroscio,Mitra Dutta Pdf

This book focuses on the theory of phonon interactions in nanoscale structures with particular emphasis on modern electronic and optoelectronic devices. The continuing progress in the fabrication of semiconductor nanostructures with lower dimensional features has led to devices with enhanced functionality and even novel devices with new operating principles. The critical role of phonon effects in such semiconductor devices is well known. There is therefore a great need for a greater awareness and understanding of confined phonon effects. A key goal of this book is to describe tractable models of confined phonons and how these are applied to calculations of basic properties and phenomena of semiconductor heterostructures. The level of presentation is appropriate for undergraduate and graduate students in physics and engineering with some background in quantum mechanics and solid state physics or devices. A basic understanding of electromagnetism and classical acoustics is assumed.

Phonons in Semiconductor Nanostructures

Author : J.P. Leburton,J. Pascual,Clivia M. Sotomayor Torres
Publisher : Springer Science & Business Media
Page : 490 pages
File Size : 42,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401116831

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Phonons in Semiconductor Nanostructures by J.P. Leburton,J. Pascual,Clivia M. Sotomayor Torres Pdf

In the last ten years, the physics and technology of low dimensional structures has experienced a tremendous development. Quantum structures with vertical and lateral confinements are now routinely fabricated with feature sizes below 100 run. While quantization of the electron states in mesoscopic systems has been the subject of intense investigation, the effect of confinement on lattice vibrations and its influence on the electron-phonon interaction and energy dissipation in nanostructures received atten tion only recently. This NATO Advanced Research Workshop on Phonons in Sem iconductor Nanostructures was a forum for discussion on the latest developments in the physics of phonons and their impact on the electronic properties of low-dimensional structures. Our goal was to bring together specialists in lattice dynamics and nanos tructure physics to assess the increasing importance of phonon effects on the physical properties of one-(lD) and zero-dimensional (OD) structures. The Workshop addressed various issues related to phonon physics in III-V, II-VI and IV semiconductor nanostructures. The following topics were successively covered: Models for confined phonons in semiconductor nanostructures, latest experimental observations of confined phonons and electron-phonon interaction in two-dimensional systems, elementary excitations in nanostructures, phonons and optical processes in reduced dimensionality systems, phonon limited transport phenomena, hot electron effects in quasi - ID structures, carrier relaxation and phonon bottleneck in quantum dots.

Hybrid Phonons in Nanostructures

Author : B. K. Ridley
Publisher : Oxford University Press
Page : 205 pages
File Size : 42,9 Mb
Release : 2017
Category : Science
ISBN : 9780198788362

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Hybrid Phonons in Nanostructures by B. K. Ridley Pdf

The book provides a technical account of the basic physics of nanostructures, which are the foundation of the hardware found in all manner of computers. It will be of interest to semiconductor physicists and electronic engineers and advanced research students. Crystalline nanostructures have special properties associated with electrons and lattice vibrations and their interaction. The result of spatial confinement of electrons is indicated in the nomenclature of nanostructures: quantum wells, quantum wires, quantum dots. Confinement also has a profound effect on lattice vibrations. The documentation of the confinement of acoustic modes goes back to Lord Rayleigh's work in the late nineteenth century, but no such documentation exists for optical modes. It is only comparatively recently that any theory of the elastic properties of optical modes exists, and a comprehensive account is given in this book. A model of the lattice dynamics of the diamond lattice is given that reveals the quantitative distinction between acoustic and optical modes and the difference of connection rules that must apply at an interface. The presence of interfaces in nanostructures forces the hybridization of longitudinally and transversely polarized modes, along with, in polar material, electromagnetic modes. Hybrid acoustic and optical modes are described, with an emphasis on polar-optical phonons and their interaction with electrons. Scattering rates in single heterostructures, quantum wells and quantum wires are described and the anharmonic interaction in quantum dots discussed. A description is given of the effects of dynamic screening of hybrid polar modes and the production of hot phonons.

Hybrid Phonons in Nanostructures

Author : Brian K. Ridley
Publisher : Oxford University Press
Page : 160 pages
File Size : 52,5 Mb
Release : 2017-03-09
Category : Science
ISBN : 9780191092589

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Hybrid Phonons in Nanostructures by Brian K. Ridley Pdf

The book provides a technical account of the basic physics of nanostructures, which are the foundation of the hardware found in all manner of computers. It will be of interest to semiconductor physicists and electronic engineers and advanced research students. Crystalline nanostructures have special properties associated with electrons and lattice vibrations and their interaction. The result of spatial confinement of electrons is indicated in the nomenclature of nanostructures: quantum wells, quantum wires, quantum dots. Confinement also has a profound effect on lattice vibrations. The documentation of the confinement of acoustic modes goes back to Lord Rayleigh's work in the late nineteenth century, but no such documentation exists for optical modes. It is only comparatively recently that any theory of the elastic properties of optical modes exists, and a comprehensive account is given in this book. A model of the lattice dynamics of the diamond lattice is given that reveals the quantitative distinction between acoustic and optical modes and the difference of connection rules that must apply at an interface. The presence of interfaces in nanostructures forces the hybridization of longitudinally and transversely polarized modes, along with, in polar material, electromagnetic modes. Hybrid acoustic and optical modes are described, with an emphasis on polar-optical phonons and their interaction with electrons. Scattering rates in single heterostructures, quantum wells and quantum wires are described and the anharmonic interaction in quantum dots discussed. A description is given of the effects of dynamic screening of hybrid polar modes and the production of hot phonons.

Phonon Focusing and Phonon Transport

Author : Igor Gaynitdinovich Kuleyev,Ivan Igorevich Kuleyev,Sergey Mikhailovich Bakharev,Vladimir Vasilyevich Ustinov
Publisher : Walter de Gruyter GmbH & Co KG
Page : 221 pages
File Size : 54,9 Mb
Release : 2020-06-08
Category : Science
ISBN : 9783110670509

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Phonon Focusing and Phonon Transport by Igor Gaynitdinovich Kuleyev,Ivan Igorevich Kuleyev,Sergey Mikhailovich Bakharev,Vladimir Vasilyevich Ustinov Pdf

The monograph is devoted to the investigation of physical processes that govern the phonon transport in bulk and nanoscale single-crystal samples of cubic symmetry. Special emphasis is given to the study of phonon focusing in cubic crystals and its influence on the boundary scattering and lattice thermal conductivity of bulk materials and nanostructures.

Phonon Engineering Theory of Crystalline Layered Nanostructures

Author : Etraj I,Jovan setrajcic,Jacimovski Stevo,Sajfert Vjekoslav
Publisher : LAP Lambert Academic Publishing
Page : 56 pages
File Size : 46,5 Mb
Release : 2015-11-19
Category : Electronic
ISBN : 3659807753

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Phonon Engineering Theory of Crystalline Layered Nanostructures by Etraj I,Jovan setrajcic,Jacimovski Stevo,Sajfert Vjekoslav Pdf

Application of nano-structures requires knowledge of their fundamental physical (mechanical, electro-magnetic, optical, etc.) characteristics. Thermodynamic properties associated with phonon displacements through the nano-samples are particularly interesting. Independent of the type of lattices, the thermodynamics of their subsystems (electrons, excitons, spin waves, etc.) is determined when the subsystem is in thermodynamic equilibrium with phonons. Besides, the acoustical characteristics as well as conductive and superconductive properties etc. could not be realistically explained without phonons. The fact which must be especially pointed out is that the role of phonons in nanostructures is much more impressive than in bulk structures. The main fact concerning phonon properties in nanostructures is the absence of the so-called acoustic phonons: for the exciting of phonons in nanostructures activation energy different from zero is necessary. These unexpected characteristics require revision of all conclusions obtained by bulk theories of phonons. Therefore, the contribution of phonon subsystems to thermodynamic is the first step in a research of nanostructure properties.

Phonon Engineering Theory of Crystalline Layered Nanostructures

Author : Jovan P. Šetrajčić,Stevo K. Jaćimovski,Siniša M. Vučenović
Publisher : Unknown
Page : 111 pages
File Size : 52,8 Mb
Release : 2016
Category : Nanostructures
ISBN : 8670203707

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Phonon Engineering Theory of Crystalline Layered Nanostructures by Jovan P. Šetrajčić,Stevo K. Jaćimovski,Siniša M. Vučenović Pdf

The Physics of Phonons

Author : Gyaneshwar P. Srivastava
Publisher : CRC Press
Page : 674 pages
File Size : 55,8 Mb
Release : 2022-09-28
Category : Science
ISBN : 9781000686982

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The Physics of Phonons by Gyaneshwar P. Srivastava Pdf

This fully updated second edition of The Physics of Phonons remains the most comprehensive theoretical discussion devoted to the study of phonons, a major area of condensed matter physics. It contains exciting new sections on phonon-related properties of solid surfaces, atomically thin materials (such as graphene and monolayer transition metal chalcogenides), in addition to nano- structures and nanocomposites, thermoelectric nanomaterials, and topological nanomaterials, with an entirely new chapter dedicated to topological nanophononics and chiralphononics. Although primarily theoretical in approach, the author refers to experimental results wherever possible, ensuring an ideal book for both experimental and theoretical researchers. The author begins with an introduction to crystal symmetry and continues with a discussion of lattice dynamics in the harmonic approximation, including the traditional phenomenological approach and the more recent ab initio approach, detailed for the first time in this book. A discussion of anharmonicity is followed by the theory of lattice thermal conductivity, presented at a level far beyond that available in any other book. The chapter on phonon interactions is likewise more comprehensive than any similar discussion elsewhere. The sections on phonons in superlattices, impure and mixed crystals, quasicrystals, phonon spectroscopy, Kapitza resistance, and quantum evaporation also contain material appearing in book form for the first time. The book is complemented by numerous diagrams that aid understanding and is comprehensively referenced for further study. With its unprecedented wide coverage of the field, The Physics of Phonons is an indispensable guide for advanced undergraduates, postgraduates, and researchers working in condensed matter physics and materials science. Features Fully updated throughout, with exciting new coverage on graphene, nanostructures and nanocomposites, thermoelectric nanomaterials, and topological nanomaterials. Authored by an authority on phonons. Interdisciplinary, with broad applications through condensed matter physics, nanoscience, and materials science. --

Hybrid Phonons in Nanostructures

Author : B. K. Ridley
Publisher : Unknown
Page : 0 pages
File Size : 49,8 Mb
Release : 2024-06-19
Category : Nanostructured materials
ISBN : 0191830283

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Hybrid Phonons in Nanostructures by B. K. Ridley Pdf

Providing a technical account of the basic physics of those nanostructures that are the foundation of the hardware of all manner of computers, this volume will be read by semiconductor physicists and electronic engineers and advanced research students world-wide.

Physics of Semiconductors and Nanostructures

Author : Jyoti Prasad Banerjee,Suranjana Banerjee
Publisher : CRC Press
Page : 412 pages
File Size : 51,8 Mb
Release : 2019-06-11
Category : Science
ISBN : 9781482223057

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Physics of Semiconductors and Nanostructures by Jyoti Prasad Banerjee,Suranjana Banerjee Pdf

This book is a comprehensive text on the physics of semiconductors and nanostructures for a large spectrum of students at the final undergraduate level studying physics, material science and electronics engineering. It offers introductory and advanced courses on solid state and semiconductor physics on one hand and the physics of low dimensional semiconductor structures on the other in a single text book. Key Features Presents basic concepts of quantum theory, solid state physics, semiconductors, and quantum nanostructures such as quantum well, quantum wire, quantum dot and superlattice In depth description of semiconductor heterojunctions, lattice strain and modulation doping technique Covers transport in nanostructures under an electric and magnetic field with the topics: quantized conductance, Coulomb blockade, and integer and fractional quantum Hall effect Presents the optical processes in nanostructures under a magnetic field Includes illustrative problems with hints for solutions in each chapter Physics of Semiconductors and Nanostructures will be helpful to students initiating PhD work in the field of semiconductor nanostructures and devices. It follows a unique tutorial approach meeting the requirements of students who find learning the concepts difficult and want to study from a physical perspective.

Electron-phonon Interactions in Low-dimensional Structures

Author : Lawrence John Challis
Publisher : Unknown
Page : 302 pages
File Size : 49,7 Mb
Release : 2003
Category : Science
ISBN : 0198507321

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Electron-phonon Interactions in Low-dimensional Structures by Lawrence John Challis Pdf

The study of electrons and holes confined to two, one and even zero dimensions has uncovered a rich variety of new physics and applications. This book describes the interaction between these confined carriers and the optic and acoustic phonons within and around the confined regions. Phonons provide the principal channel of energy transfer between the carriers and their surroundings and also the main restriction to their room temperature mobility. But they have many other roles; they provide for example an essential feature of the operation of the quantum cascade laser. Since their moment at the relevant energies are well matched to those of electrons, they can also be used to probe electronic properties such as the confinement width of 2D electron gases and the dispersion curve of quasiparticles in the fractional quantum Hall effect. The book describes both the physics of the electron-phonon interaction in the different confined systems and the experimental and theoretical techniques that have been used in its investigation. The experimental methods include optical and transport techniques as well techniques in which phonons are used as the experimental probe. The aim of the book is to provide an up-to-date review of the physics and its significance in device performance. It is also written to be explanatory and accessible to graduate students and others new to the field.

Topics In Nanoscience - Part I: Basic Views, Complex Nanosystems: Typical Results And Future

Author : Wolfram Schommers
Publisher : World Scientific
Page : 466 pages
File Size : 52,7 Mb
Release : 2021-12-17
Category : Science
ISBN : 9789811243875

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Topics In Nanoscience - Part I: Basic Views, Complex Nanosystems: Typical Results And Future by Wolfram Schommers Pdf

With the development of the scanning tunneling microscope, nanoscience became an important discipline. Single atoms could be manipulated in a controlled manner, and it became possible to change matter at its 'ultimate' level; it is the level on which the properties of matter emerge. This possibility enables to construct and to produce devices, materials, etc. with very small sizes and completely new properties. That opens up new perspectives for technology and is in particular relevant in connection with nano-engineering.Nanosystems are unimaginably small and very fast. No doubt, this is an important characteristic. But there is another feature, possibly more relevant, in connection with nanoscience and nanotechnology. The essential point here is that we work at the 'ultimate level'. This is the smallest level at which the properties of our world emerge, at which functional matter can exist. In particular, at this level biological individuality comes into existence. This situation can be expressed in absolute terms: This is not only the strongest material ever made, this is the strongest material it will ever be possible to make (D Ratner and M Ratner, Nanotechnology and Homeland Security). This is a very general statement. All aspects of matter are concerned here. Through the variation of the composition various forms of matter emerge with different items.Nanosystems are usually small, but they offer nevertheless the possibility to vary the structure of atomic (molecular) ensembles, creating a diversity of new material-specific properties. A large variety of experimental possibilities come into play and flexible theoretical tools are needed at the basic level. This is reflected in the different disciplines: In nanoscience and nanotechnology we have various directions: Materials science, functional nanomaterials, nanoparticles, food chemistry, medicine with brain research, quantum and molecular computing, bioinformatics, magnetic nanostructures, nano-optics, nano-electronics, etc.The properties of matter, which are involved within these nanodisciplines, are ultimate in character, i.e., their characteristic properties come into existence at this level. The book is organized in this respect.

Topics In Nanoscience (In 2 Parts)

Author : Wolfram Schommers
Publisher : World Scientific
Page : 872 pages
File Size : 55,5 Mb
Release : 2021-12-17
Category : Science
ISBN : 9789811256134

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Topics In Nanoscience (In 2 Parts) by Wolfram Schommers Pdf

With the development of the scanning tunneling microscope, nanoscience became an important discipline. Single atoms could be manipulated in a controlled manner, and it became possible to change matter at its 'ultimate' level; it is the level on which the properties of matter emerge. This possibility enables to construct and to produce devices, materials, etc. with very small sizes and completely new properties. That opens up new perspectives for technology and is in particular relevant in connection with nano-engineering.Nanosystems are unimaginably small and very fast. No doubt, this is an important characteristic. But there is another feature, possibly more relevant, in connection with nanoscience and nanotechnology. The essential point here is that we work at the 'ultimate level'. This is the smallest level at which the properties of our world emerge, at which functional matter can exist. In particular, at this level biological individuality comes into existence. This situation can be expressed in absolute terms: This is not only the strongest material ever made, this is the strongest material it will ever be possible to make (D Ratner and M Ratner, Nanotechnology and Homeland Security). This is a very general statement. All aspects of matter are concerned here. Through the variation of the composition various forms of matter emerge with different items.Nanosystems are usually small, but they offer nevertheless the possibility to vary the structure of atomic (molecular) ensembles, creating a diversity of new material-specific properties. A large variety of experimental possibilities come into play and flexible theoretical tools are needed at the basic level. This is reflected in the different disciplines: In nanoscience and nanotechnology we have various directions: Materials science, functional nanomaterials, nanoparticles, food chemistry, medicine with brain research, quantum and molecular computing, bioinformatics, magnetic nanostructures, nano-optics, nano-electronics, etc.The properties of matter, which are involved within these nanodisciplines, are ultimate in character, i.e., their characteristic properties come into existence at this level. The book is organized in this respect.

Advances in Semiconductor Nanostructures

Author : Alexander V. Latyshev,Anatoliy V. Dvurechenskii,Alexander L. Aseev
Publisher : Elsevier
Page : 552 pages
File Size : 42,9 Mb
Release : 2016-11-10
Category : Science
ISBN : 9780128105139

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Advances in Semiconductor Nanostructures by Alexander V. Latyshev,Anatoliy V. Dvurechenskii,Alexander L. Aseev Pdf

Advances in Semiconductor Nanostructures: Growth, Characterization, Properties and Applications focuses on the physical aspects of semiconductor nanostructures, including growth and processing of semiconductor nanostructures by molecular-beam epitaxy, ion-beam implantation/synthesis, pulsed laser action on all types of III–V, IV, and II–VI semiconductors, nanofabrication by bottom-up and top-down approaches, real-time observations using in situ UHV-REM and high-resolution TEM of atomic structure of quantum well, nanowires, quantum dots, and heterostructures and their electrical, optical, magnetic, and spin phenomena. The very comprehensive nature of the book makes it an indispensable source of information for researchers, scientists, and post-graduate students in the field of semiconductor physics, condensed matter physics, and physics of nanostructures, helping them in their daily research. Presents a comprehensive reference on the novel physical phenomena and properties of semiconductor nanostructures Covers recent developments in the field from all over the world Provides an International approach, as chapters are based on results obtained in collaboration with research groups from Russia, Germany, France, England, Japan, Holland, USA, Belgium, China, Israel, Brazil, and former Soviet Union countries

Real-Time Quantum Dynamics of Electron–Phonon Systems

Author : Valerio Rizzi
Publisher : Springer
Page : 175 pages
File Size : 55,6 Mb
Release : 2018-08-01
Category : Science
ISBN : 9783319962801

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Real-Time Quantum Dynamics of Electron–Phonon Systems by Valerio Rizzi Pdf

This book develops a methodology for the real-time coupled quantum dynamics of electrons and phonons in nanostructures, both isolated structures and those open to an environment. It then applies this technique to both fundamental and practical problems that are relevant, in particular, to nanodevice physics, laser–matter interaction, and radiation damage in living tissue. The interaction between electrons and atomic vibrations (phonons) is an example of how a process at the heart of quantum dynamics can impact our everyday lives. This is e.g. how electrical current generates heat, making your toaster work. It is also a key process behind many crucial problems down to the atomic and molecular scale, such as the functionality of nanoscale electronic devices, the relaxation of photo-excited systems, the energetics of systems under irradiation, and thermoelectric effects. Electron–phonon interactions represent a difficult many-body problem. Fairly standard techniques are available for tackling cases in which one of the two subsystems can be treated as a steady-state bath for the other, but determining the simultaneous coupled dynamics of the two poses a real challenge. This book tackles precisely this problem.