Nonequilibrium Phonons in Nonmetallic Crystals PDF Download
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Author: Wolfgang Eisenmenger
Publisher: North Holland
ISBN:
Category : Science
Languages : en
Pages : 788
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Book Description
Author: Wolfgang Eisenmenger
Publisher: North Holland
ISBN:
Category : Science
Languages : en
Pages : 788
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Book Description
Author: Walter E. Bron
Publisher: Springer Science & Business Media
ISBN: 1461325013
Category : Science
Languages : en
Pages : 682
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Book Description
Phonons are always present in the solid state even at an absolute temperature of 0 K where zero point vibrations still abound. Moreover, phonons interact with all other excitations of the solid state and, thereby, influence most of its properties. Historically experimental information on phonon transport came from measurements of thermal conductivity. Over the past two decades much more, and much more detailed, information on phonon transport and on many of the inherent phonon interaction processes have come to light from experiments which use nonequilibrium phonons to study their dynamics. The resultant research field has most recently blossomed with the development of ever more sophisticated experimental and theoretical methods which can be applied to it. In fact, the field is moving so rapidly that new members of the research community have difficulties in keeping up to date. This NATO Advanced Study Institute (ASI) was organized with the objective of overcoming the information barrier between those expert in the field and those who are new to it. Thus it was decided to (i) organize a set of tutorially based lectures covering most of the important facets in the field, and (ii) to produce an Institute proceedings which would serve both as the first general textbook, as well as a valuable reference book, for this field of knowledge.
Author: C.V. Shank
Publisher: Elsevier
ISBN: 0444600574
Category : Science
Languages : en
Pages : 513
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Book Description
The physics of nonequilibrium electrons and phonons in semiconductors is an important branch of fundamental physics that has many practical applications, especially in the development of ultrafast and ultrasmall semiconductor devices. This volume is devoted to different trends in the field which are presently at the forefront of research. Special attention is paid to the ultrafast relaxation processes in bulk semiconductors and two-dimensional semiconductor structures, and to their study by different spectroscopic methods, both pulsed and steady-state. The evolution of energy and space distribution of nonequilibrium electrons and the relaxation kinetics of hot carriers and phonons are considered under various conditions such as temperature, doping and pumping intensity by leading experts in the field.
Author: William M. Yen
Publisher: Springer Science & Business Media
ISBN: 3540459391
Category : Science
Languages : en
Pages : 319
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Book Description
Laser-based optical spectroscopies are powerful and versatile techniques that are continuing to evolve and find new applications. This book presents reviews of recent progress in our understanding of the spectra and dynamical processes of optically excited states of condensed matter, focusing on the advances made possible by the application of laser-based optical spectroscopies. Reviews are given of the optical properties of crystalline and amorphous semiconducting materials and structures, the properties of defect centers in insulators, two-photon nonlinear processes in insulators, optical energy diffusion in inorganic materials, and relaxation in organic materials. The individual chapters emphasize the methodology common to the various investigations. The volume is designed to be suitable as an introduction to applied laser spectroscopy of solids, as well as providing an update on the status of the field.
Author: Alexei L. Ivanov
Publisher: OUP Oxford
ISBN: 019152882X
Category : Science
Languages : en
Pages : 372
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Book Description
This book is dedicated to Professor Leonid V Keldysh. His brilliant contributions to condensed matter physics include the Franz-Keldysh effect, an electron-hole liquid, the nonequilibrium (Keldysh) diagram technique, Bose-Einstein condensation (of excitons) and a ``metal-dielectric'' transition, acoustically-induced superlattices, multi-photon transitions and impact ionization in solids. In many respects, his work influenced and formed the paradigm of modern condensed matter physics. As a result, many famous researchers in the field have enthusiastically provided unique contributions to the book.
Author: Alexander I. Zhmakin
Publisher: Springer Nature
ISBN: 3031259734
Category : Science
Languages : en
Pages : 419
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Book Description
This book presents a broad and well-structured overview of various non-Fourier heat conduction models. The classical Fourier heat conduction model is valid for most macroscopic problems. However, it fails when the wave nature of the heat propagation becomes dominant and memory or non-local spatial effects become significant; e.g., during ultrafast heating, heat transfer at the nanoscale, in granular and porous materials, at extremely high values of the heat flux, or in heat transfer in biological tissues. The book looks at numerous non-Fourier heat conduction models that incorporate time non-locality for materials with memory, such as hereditary materials, including fractional hereditary materials, and/or spatial non-locality, i.e. materials with a non-homogeneous inner structure. Beginning with an introduction to classical transport theory, including phase-lag, phonon, and thermomass models, the book then looks at various aspects of relativistic and quantum transport, including approaches based on the Landauer formalism as well as the Green-Kubo theory of linear response. Featuring an appendix that provides an introduction to methods in fractional calculus, this book is a valuable resource for any researcher interested in theoretical and numerical aspects of complex, non-trivial heat conduction problems.
Author: G.P Srivastava
Publisher: Routledge
ISBN: 1351409549
Category : Science
Languages : en
Pages : 394
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Book Description
There have been few books devoted to the study of phonons, a major area of condensed matter physics. The Physics of Phonons is a comprehensive theoretical discussion of the most important topics, including some topics not previously presented in book form. 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 will be indispensable to all postgraduates, advanced undergraduates, and researchers working on condensed matter physics.
Author: Strek W
Publisher: World Scientific
ISBN: 9814553964
Category :
Languages : en
Pages : 452
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Book Description
This book presents the recent advances in spectroscopy and theoretical modeling relevant to the interpretation of luminescence and laser phenomena in solid state materials. The available solid state matrices in crystalline and glassy states and the full range of activaters-transition metal ions, rare earth ions and actinides are considered here. Processes of activator excitation, energy transfer between activators and relaxation of excited states are particularly stressed.
Author: F Agulló-López
Publisher: World Scientific
ISBN: 9814500550
Category : Technology & Engineering
Languages : en
Pages : 464
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Book Description
This review volume presents new developments in the preparation, physical characterization and applications of insulating materials for Optoelectronics. Insulators occupy a leading position as laser and optical amplifier hosts, electrooptic and acoustooptic modulators, frequency doublers and optical parametric oscillators, photorefractive devices and radiator detectors. These applications rely heavily on the development of advanced techniques for the preparation of both bulk and waveguide structures, the adequate knowledge of the microscopic behaviour defects, impurities and a thorough understanding of their response to electromagnetic fields. All these topics relating basic physicochemical aspects and applied performance are authoritatively discussed in the book. Contents:Pulsed Laser Deposition of Films for Optical Applications (C N Afonso)Preparation of Single Crystal Fibers (W M Yen)Preparation and Characterization of Composite Materials: Organic Molecules in Inorganic Hosts (D Levy)Characterization of Point Defects in Photorefractive Oxide Crystals by Paramagnetic Resonance Methods (O F Schirmer et al.)Hyperfine Techniques for Defect Studies (R Vianden)Optical Characterization of Solid State Lasers (L E Bausa & J G Sole)Channeling Investigations of Oxide Materials for Optoelectronic Applications (A Kling et al.)X-Ray Standing Wave Determination of Lattice Positions of Impurities in Lithium Niobate (T Gog & G Materlik)New Developments in the Simulation of Electrooptic Oxides (H Donnenberg)The Photorefractive Effect in Crystals (C Medrano & P Günter)Holographic Memories with Photorefractive Materials (C Alves et al.)Proton Exchange Waveguides in LiNbO3 and LiTaO3: Structural and Optical Properties (M P De Micheli et al.)Glasses for Optoelectronic Devices (P Mazzoldi & G C Righini)Application of Ion Implantation for Optoelectronics and Photonics (P D Townsend)Semiinsulating Material for Radiation Detection: HgI2 (E Diéguez & P Olmos) Readership: Materials scientists, physicists and engineers. keywords:Laser Heated Pedestal Growth (LHPG);Single Crystals;Crystal Fibers;Optoelectronics;Materials;Insulators;Electrooptics;Lithium Niobate;Waveguides;Photorefractives;Lasers;Defects;Optics;Single Crystal Fibers;Pulsed Laser Deposition;Solid State Lasers;Photorefractive Materials;Composite Materials;Hyperfine Techniques;Holographic Memories;Ion Implantation;Light Waveguides;Optoelectronic Devices
Author: O Kanert
Publisher: World Scientific
ISBN: 9814553468
Category :
Languages : en
Pages : 1424
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Book Description
The proceedings reflect the Twelfth International Conference on Defects in Insulating Materials, covering topics on point defects and extended defects including theory and computer simulation in various insulating materials, as well as applications in laser physics, imaging, data storage and radioactive waste disposal.
