Electronic States In Crystals Of Finite Size
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Electronic States In Crystals Of Finite Size
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Author : SHANGYUAN REN
language : en
Publisher: Springer
Release Date : 2007-12-05
Electronic States In Crystals Of Finite Size written by SHANGYUAN REN and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-05 with Science categories.
The theory of electronic states in crystals is the very basis of modern solid state physics. In traditional solid state physics – based on the Bloch theorem – the theory of electronic states in crystals is essentially a theory of electronic states in crystals of in?nite size. However, that any real crystal always has a ?nite size is a physical reality one has to face. The di?erence between the electronic structure of a real crystal of ?nite size and the electronic structure obtained based on the Bloch theorem becomes more signi?cant as the crystal size decreases. A clear understanding of the properties of electronic states in real crystals of ?nite size has both theoretical and practical signi?cance. Many years ago when the author was a student learning solid state physics at Peking University, he was bothered by a feeling that the general use of the periodic boundary conditions seemed unconvincing. At least the e?ects of such a signi?cant simpli?cation should be clearly understood. Afterward, he learned that many of his school mates had the same feeling. Among many solid state physics books, the author found that only in the classic book Dynamic Theory of Crystal Lattices by Born and Huang was there a more detailed discussion on the e?ects of such a simpli?cation in an Appendix.
Electronic States In Crystals Of Finite Size
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Author : Shang Yuan Ren
language : en
Publisher: Springer
Release Date : 2017-08-31
Electronic States In Crystals Of Finite Size written by Shang Yuan Ren and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-31 with Science categories.
This book presents an analytical theory of the electronic states in ideal low dimensional systems and finite crystals based on a differential equation theory approach. It provides precise and fundamental understandings on the electronic states in ideal low-dimensional systems and finite crystals, and offers new insights into some of the basic problems in low-dimensional systems, such as the surface states and quantum confinement effects, etc., some of which are quite different from what is traditionally believed in the solid state physics community. Many previous predictions have been confirmed in subsequent investigations by other authors on various relevant problems. In this new edition, the theory is further extended to one-dimensional photonic crystals and phononic crystals, and a general theoretical formalism for investigating the existence and properties of surface states/modes in semi-infinite one-dimensional crystals is developed. In addition, there are various revisions and improvements, including using the Kronig-Penney model to illustrate the analytical theory and make it easier to understand. This book is a valuable resource for solid-state physicists and material scientists.
Electronic States In Crystals Of Finite Size
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Author : Shang Yuan Ren
language : en
Publisher: Springer Science & Business Media
Release Date : 2006
Electronic States In Crystals Of Finite Size written by Shang Yuan Ren and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
The theory of electronic states in the traditionally solid state physics is essentially a theory of electronic states in crystals of infinite size. However, any real crystal always has a finite size. This book presents an analytical theory on the electronic states in ideal low-dimensional systems and finite crystals recently developed by the author based on a differential equation theory approach. It gives some exact and general fundamental understandings on the electronic states in ideal low-dimensional systems and finite crystals and provides new insights on some fundamental problems in low-dimensional systems such as the surface states, quantum confinement effects etc, some of them are quite different from what are traditionally believed in the solid state physics community.
Group Theory For Physicists
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Author : Zhongqi Ma
language : en
Publisher: World Scientific
Release Date : 2007
Group Theory For Physicists written by Zhongqi Ma and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.
This textbook explains the fundamental concepts and techniques of group theory by making use of language familiar to physicists. Application methods to physics are emphasized. New materials drawn from the teaching and research experience of the author are included. This book can be used by graduate students and young researchers in physics, especially theoretical physics. It is also suitable for some graduate students in theoretical chemistry.
Fundamental Physicochemical Properties Of Germanene Related Materials
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Author : Chi-Hsuan Lee
language : en
Publisher: Elsevier
Release Date : 2023-05-23
Fundamental Physicochemical Properties Of Germanene Related Materials written by Chi-Hsuan Lee and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-23 with Technology & Engineering categories.
Fundamental Physicochemical Properties of Germanene-related Materials: A Theoretical Perspective provides a comprehensive review of germanene-related materials to help users understand the essential properties of these compounds. The book covers various germanium complex states such as germanium oxides, germanium on Ag, germanium/silicon composites and germanium compounds. Diverse phenomena are clearly illustrated using the most outstanding candidates of the germanium/germanene-related material. Delicate simulations and analyses are thoroughly demonstrated under the first-principles method, being fully assisted by phenomenological models. Macroscopic phenomena in chemical systems, including their principles, practices and concepts of physics such as energy, structure, thermodynamics and quantum chemistry are fully covered. Germanium-based materials play critical roles in the basic and applied sciences, as clearly revealed in other group-IV and group-V condensed-matter systems. Their atomic configurations are suitable for creating the active chemical bonding among the identical and/or different nearest-neighboring atoms leading to diverse physical/chemical/material environments. - Provides a comprehensive review of germanene-related materials with a physicochemical and theoretical foundation that is useful for readers in understanding the essential properties of these compounds - Presents a unique theoretical framework under single and multi-hybridization theory - Contains significant combinations with phenomenological and experimental measurements - Focuses on the study of macroscopic phenomena in chemical systems in terms of their principles, practices and concepts of physics such as energy, structure, thermodynamics and quantum chemistry
Sensors Based On Nanostructured Materials
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Author : Francisco J. Arregui
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-07-07
Sensors Based On Nanostructured Materials written by Francisco J. Arregui and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-07-07 with Technology & Engineering categories.
This book presents the many different techniques and methods of fabricating materials on the nanometer scale, and, specifically, the utilization of these resources with regard to sensors. The techniques described are studied from an application-oriented perspective, providing the reader with a perspective of the types of nanostructured sensors available that is broader than other books which concentrate on theoretical situations related to specific fabrication techniques.
Condensed Phase Molecular Spectroscopy And Photophysics
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Author : Anne Myers Kelley
language : en
Publisher: John Wiley & Sons
Release Date : 2022-09-27
Condensed Phase Molecular Spectroscopy And Photophysics written by Anne Myers Kelley and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-27 with Science categories.
Condensed-Phase Molecular Spectroscopy and Photophysics An introduction to one of the fundamental tools in chemical research—spectroscopy and photophysics in condensed-phase and extended systems Condensed-Phase Molecular Spectroscopy and Photophysics comprehensively covers radiation-matter interactions for molecules in condensed phases along with metallic and semiconductor nanostructures, examining optical processes in extended systems such as metals, semiconductors, and conducting polymers and addressing the unique optical properties of nanoscale systems. The text differs from others through its emphasis on the molecule-environment interactions that strongly influence spectra in condensed phases, including spectroscopy and photophysics of molecular aggregates, molecular solids, and metals and semiconductors, as well as more modern topics such as two-dimensional and single-molecule spectroscopy. To aid in reader comprehension, the text includes case studies and illustrated examples. An online manual with solutions to the problems in the book is available to all readers on a companion website. Condensed-Phase Molecular Spectroscopy and Photophysics begins with an introduction to quantum mechanics that sets a solid foundation for understanding the text’s subsequent topics, including: Electromagnetic radiation and radiation-matter interactions, molecular vibrations and infrared spectroscopy, and electronic spectroscopy Photophysical processes and light scattering, nonlinear and pump-probe spectroscopies, and electron transfer processes Basic rotational spectroscopy and statistical mechanics, Raman scattering, 2D and single-molecule spectroscopies, and time-domain pictures of steady-state spectroscopies Time-independent quantum mechanics, statistical mechanics, group theory, radiation-matter interactions, and system-bath interactions Atomic spectroscopy, photophysical processes, light scattering, nonlinear and pump-probe spectroscopies, two-dimensional spectroscopies, and metals and plasmons Written for researchers and upper-level undergraduate and graduate courses in physical and materials chemistry, Condensed-Phase Molecular Spectroscopy and Photophysics is a valuable learning resource that is uniquely designed to equip readers to solve a broad array of current problems and challenges in the vast field of chemistry.
Quantum Chemistry Of Solids
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Author : Robert A. Evarestov
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-08-16
Quantum Chemistry Of Solids written by Robert A. Evarestov and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-16 with Science categories.
Quantum Chemistry of Solids delivers a comprehensive account of the main features and possibilities of LCAO methods for the first principles calculations of electronic structure of periodic systems. The first part describes the basic theory underlying the LCAO methods applied to periodic systems and the use of wave-function-based (Hartree-Fock), density-based (DFT) and hybrid hamiltonians. The translation and site symmetry consideration is included to establish connection between k-space solid-state physics and real-space quantum chemistry methods in the framework of cyclic model of an infinite crystal. The inclusion of electron correlation effects for periodic systems is considered on the basis of localized crystalline orbitals. The possibilities of LCAO methods for chemical bonding analysis in periodic systems are discussed. The second part deals with the applications of LCAO methods for calculations of bulk crystal properties, including magnetic ordering and crystal structure optimization. The discussion of the results of some supercell calculations of point defects in non-metallic solids and of the crystalline surfaces electronic structure illustrates the efficiency of LCAO method for solids.
Scintillation Dosimetry
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Author : Sam Beddar
language : en
Publisher: CRC Press
Release Date : 2016-04-06
Scintillation Dosimetry written by Sam Beddar and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-06 with Medical categories.
Scintillation Dosimetry delivers a comprehensive introduction to plastic scintillation dosimetry, covering everything from basic radiation dosimetry concepts to plastic scintillating fiber optics. Comprised of chapters authored by leading experts in the medical physics community, the book: Discusses a broad range of technical implementations, from point source dosimetry scaling to 3D-volumetric and 4D-scintillation dosimetry Addresses a wide scope of clinical applications, from machine quality assurance to small-field and in vivo dosimetry Examines related optical techniques, such as optically stimulated luminescence (OSL) or Čerenkov luminescence Thus, Scintillation Dosimetry provides an authoritative reference for detailed, state-of-the-art information on plastic scintillation dosimetry and its use in the field of radiation dosimetry.
Photonic Crystals
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Author : Jean-Michel Lourtioz
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-03-19
Photonic Crystals written by Jean-Michel Lourtioz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-03-19 with Science categories.
Just like the periodical crystalline potential in solid-state crystals determines their properties for the conduction of electrons, the periodical structuring of photonic crystals leads to envisioning the possibility of achieving a control of the photon flux in dielectric and metallic materials. The use of photonic crystals as a cage for storing, filtering or guiding light at the wavelength scale thus paves the way to the realisation of optical and optoelectronic devices with ultimate properties and dimensions. This should contribute toward meeting the demands for a greater miniaturisation that the processing of an ever increasing number of data requires. Photonic Crystals intends to provide students and researchers from different fields with the theoretical background needed for modelling photonic crystals and their optical properties, while at the same time presenting the large variety of devices, from optics to microwaves, where photonic crystals have found applications. As such, it aims at building bridges between optics, electromagnetism and solid-state physics. This book was written by six specialists of nanophotonics, and was coordinated by Jean-Michel Lourtioz, head of the Institut d'Électronique Fondamentale in Orsay and coordinator of the French Research Network in Nanophotonics.