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Atomic And Electronic Structure Of Metals And Alloys
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Book Synopsis Electrons In Metals And Alloys by : J. A. Alonso
Download or read book Electrons In Metals And Alloys written by J. A. Alonso and published by Academic Press. This book was released on 2012-12-02 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a broad review of the electronic structure of metals and alloys. It emphasises the way in which the behavior of electrons in these materials governs the thermodynamic and other properties of these conducting materials. The theoretical treatment proceeds from a wave mechanics approach to more sophisticated techniques for the description of the properties of metals and alloys.
Book Synopsis Atomic and Electronic Structure of Metals and Alloys: Rare Earths, Ultrathin Films and Surface Alloys by :
Download or read book Atomic and Electronic Structure of Metals and Alloys: Rare Earths, Ultrathin Films and Surface Alloys written by and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomic and Electronic Structure of Metals and Alloys by :
Download or read book Atomic and Electronic Structure of Metals and Alloys written by and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The accomplishments of the work done under DOE sponsorship are summarized in the list of publications at the end of this narrative. Here we give a brief description of the nature and the significance of the accomplishments. The activity can be roughly subdivided into three parts: studies of surface alloys, studies of epitaxial ultra-thin films, and studies of electron band structure of metals. The list reflects the developments of particular areas of research and the phasing out of others as this was suggested by the interest in, and the success of, specific experimental projects.
Book Synopsis Atomic and Electronic Structure of Metals and Alloys by :
Download or read book Atomic and Electronic Structure of Metals and Alloys written by and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The accomplishments of the work done under DOE sponsorship are summarized in the list of publications at the end of this narrative. Here we give a brief description of the nature and the significance of the accomplishments. The activity can be roughly subdivided into three parts: studies of surface alloys, studies of epitaxial ultra-thin films, and studies of electron band structure of metals. The list reflects the developments of particular areas of research and the phasing out of others as this was suggested by the interest in, and the success of, specific experimental projects.
Book Synopsis Atomic and electronic structures of two-dimensional layers on noble metals by : Jalil Shah
Download or read book Atomic and electronic structures of two-dimensional layers on noble metals written by Jalil Shah and published by Linköping University Electronic Press. This book was released on 2019-09-04 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-dimensional (2D) materials, in the form of a single atomic layer with a crystalline structure, are of interest for electronic applications. Such materials can be formed by a single element, e.g., by group IV or group V elements, or as a 2D surface alloy. As these materials consist of just a single atomic layer, they may have unique properties that are not present in the bulk. The (111) surfaces of the noble metals Ag and Au are important for the preparation of several 2D materials. To investigate the atomic and electronic structures, the following experimental techniques were used in this thesis: angle resolved photoelectron spectroscopy (ARPES), scanning tunneling microscopy (STM) and low energy electron diffraction (LEED). The 2D structures studied in this thesis include arsenene (an As analogue to graphene) and As/Ag(111), Sn/Au(111), and Te/Ag(111) surface alloys. Arsenene has been thoroughly investigated theoretically for many years and several interesting properties important for next generation electronic and optoelectronic devices have been described in the literature. This thesis presents the first experimental evidence of the formation of arsenene. A clean Ag(111) surface was exposed to arsenic in an ultra-high vacuum chamber at an elevated substrate temperature (250 to 350 °C ). The resulting arsenic layer was studied by LEED, STM and ARPES. Both LEED and STM data resulted in a lattice constant of the arsenic layer of 3.6 Å which is consistent with the formation of arsenene. A comparison between the experimental band structure obtained by ARPES and the theoretical band structure of arsenene based on density functional theory (DFT), further verified the formation of arsenene. The As/Ag(111) surface alloy was prepared by exposing clean Ag(111) to arsenic followed by heating to 400 °C. This resulted in an Ag2As surface alloy which formed by the replacement of every third Ag atom by an As atom in a periodic fashion. LEED showed a complex pattern of diffraction spots corresponding to a superposition of three domains of a reconstruction described by a unit cell. STM images revealed a surface with a striped atomic structure with ridges characterized by a local ?3 × ?3 structure. ARPES data showed three alloy related bands of which one can be associated with the ?3 × ?3 structure on the ridges. This band shows a split in momentum space around the point along the direction of a ?3 × ?3 surface Brillouin zone in similarity with a Ge/Ag(111) surface alloy. Sn/Au(111) surface alloys can be prepared with different periodicities. An Au2Sn phase characterized by a ?3 × ?3 periodicity and an Au3Sn phase with a 2 × 2 periodicity are formed containing 0.33 and 0.25 monolayer of Sn, respectively. The clean Au(111) surface itself, shows a complex reconstruction, the so called herringbone structure, that can be viewed as a zig-zag pattern of stripes described by a 22 × ?3 unit cell. The replacement of Au atoms by Sn results in change of the periodicity of the herringbone structure to 26 × ?3 and ? 26 × 2?3 for the Au2Sn and Au3Sn surface alloys, respectively. Furthermore, the local 1 × 1 periodicity of clean Au(111) is replaced by a ?3 × ?3 and a 2 × 2 periodicity as is clear from STM images of the respective cases. ARPES data are presented for the Au2Sn surface alloy, which reveal an electronic band structure with similarities to other striped surface alloys. In particular, the split in momentum space around the point of a ?3 × ?3 surface Brillouin zone is observed also for Au2Sn. A Te-Ag binary surface alloy can be formed by evaporating 1/3 monolayer of Te onto a clean Ag(111) surface followed by annealing. After this preparation, LEED showed sharp ?3 × ?3 diffraction spots that is evidence for a well-ordered surface layer. ARPES data revealed two distinct electronic bands that followed the ?3 × ?3 periodicity. One of these bands showed a small spin-split of the Rashba type. The experimental band structure was compared with the theoretical bands of several atomic models of Te induced structures on Ag(111). An excellent fit was obtained for a Te-Ag surface alloy with a planar honeycomb structure, with one Te and one Ag atom in the unit cell. A semiconducting electronic structure of the Te-Ag surface alloy was inferred from the ARPES data in agreement with the ?0.7 eV band gap predicted by the DFT calculations.
Book Synopsis Atomic and Electronic Structure of Metals by : American Society for Metals
Download or read book Atomic and Electronic Structure of Metals written by American Society for Metals and published by . This book was released on 1967 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Electrical Resistivity of Metals and Alloys by : Paul L. Rossiter
Download or read book The Electrical Resistivity of Metals and Alloys written by Paul L. Rossiter and published by Cambridge University Press. This book was released on 1991-03-07 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in paperback, this comprehensive book is the first text devoted to the problem of understanding the electrical properties of metals and alloys. Dr Rossiter, well-known for his work on the electrical resistivity of alloys, has written a book which blends results and theory, but does not rely on a strong grounding in quantum mechanics. After an introduction to the basic ideas, the concepts of atomic and magnetic correlations and their microstructural consequences are explained. Later chapters then deal with the effects of such correlations on electrical resistivity. Examples and applications of the concepts derived are given in discrete sections, allowing the uninterrupted development of theory for each specific problem, and enhancing the value of the book for a wide range of readers from theoretical and experimental solid state physicists to metallurgists and materials scientists. Anyone with an interest in the electrical conduction process or in the application of resistivity measurements to the study of alloy configuration will find this essential reading.
Book Synopsis Electrons, Atoms, Metals and Alloys by : William Hume-Rothery
Download or read book Electrons, Atoms, Metals and Alloys written by William Hume-Rothery and published by . This book was released on 1955 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Properties and Electronic Structure of Metals and Alloys by : F. Abelès
Download or read book Optical Properties and Electronic Structure of Metals and Alloys written by F. Abelès and published by . This book was released on 1966 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atomic and Electronic Structure of Metals by : American Society for Metals
Download or read book Atomic and Electronic Structure of Metals written by American Society for Metals and published by . This book was released on 1967 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Structure of Alloys, Surfaces and Clusters by : Abhijit Mookerjee
Download or read book Electronic Structure of Alloys, Surfaces and Clusters written by Abhijit Mookerjee and published by CRC Press. This book was released on 2002-11-28 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the electronic structure of solids is a basic part of theoretical investigation in physics. Application of investigative techniques requires the solid under investigation to be "periodic." However, this is not always the case. This volume addresses three classes of "non-periodic" solids currently undergoing the most study: alloys, surfaces and clusters. Understanding the electronic structure of these systems is fundamental not only for the basic science, but also constitutes a very important step in various technological aspects, such as tuning their stabilities, chemical and catalytic reactivities and magnetism. Expert practitioners give an up-to-date account of the field with enough detailed background so that even a newcomer can follow the development. The theoretical framework is discussed in addition to the present status of knowledge in the field. Electronic Structure of Alloys, Surfaces and Clusters also includes an extensive bibliography which provides a comprehensive reading list of work on the topic.
Book Synopsis The Physics of Metals: Volume 1, Electrons by : Sir Nevill Francis Mott
Download or read book The Physics of Metals: Volume 1, Electrons written by Sir Nevill Francis Mott and published by CUP Archive. This book was released on 1969-07 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: This advanced 1969 treatise was written by a team of international experts, and presents a definitive account of a major field of modern physics.
Book Synopsis Electronic Structure of Disordered Alloys, Surfaces and Interfaces by : Ilja Turek
Download or read book Electronic Structure of Disordered Alloys, Surfaces and Interfaces written by Ilja Turek and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: At present, there is an increasing interest in the prediction of properties of classical and new materials such as substitutional alloys, their surfaces, and metallic or semiconductor multilayers. A detailed understanding based on a thus of the utmost importance for fu microscopic, parameter-free approach is ture developments in solid state physics and materials science. The interrela tion between electronic and structural properties at surfaces plays a key role for a microscopic understanding of phenomena as diverse as catalysis, corrosion, chemisorption and crystal growth. Remarkable progress has been made in the past 10-15 years in the understand ing of behavior of ideal crystals and their surfaces by relating their properties to the underlying electronic structure as determined from the first principles. Similar studies of complex systems like imperfect surfaces, interfaces, and mul tilayered structures seem to be accessible by now. Conventional band-structure methods, however, are of limited use because they require an excessive number of atoms per elementary cell, and are not able to account fully for e.g. substitu tional disorder and the true semiinfinite geometry of surfaces. Such problems can be solved more appropriately by Green function techniques and multiple scattering formalism.
Book Synopsis Metal and Alloy Bonding - An Experimental Analysis by : R. Saravanan
Download or read book Metal and Alloy Bonding - An Experimental Analysis written by R. Saravanan and published by Springer Science & Business Media. This book was released on 2011-09-20 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charge density analysis of materials provides a firm basis for the evaluation of the properties of materials. The design and engineering of a new combination of metals requires a firm knowledge of intermolecular features. Recent advances in technology and high-speed computation have made the crystal X-ray diffraction technique a unique tool for the determination of charge density distribution in molecular crystal. Methods have been developed to make experimental probes capable of unraveling the features of charge densities in the intra- and inter-molecular regions of crystal structures. In Metal and Alloy Bonding - An Experimental Analysis, the structural details of materials are elucidated with the X-ray diffraction technique. Analyses of the charge density and the local and average structure are given to reveal the structural properties of technologically important materials. Readers will gain a new understanding of the local and average structure of existing materials. The electron density, bonding, and charge transfer studies in Metal and Alloy Bonding - An Experimental Analysis contain useful information for researchers in the fields of physics, chemistry, materials science, and metallurgy. The properties described in these studies can contribute to the successful engineering of these technologically important materials.
Book Synopsis Optical Properties and Electronic Structure of Metals and Alloys by : F. Abelès
Download or read book Optical Properties and Electronic Structure of Metals and Alloys written by F. Abelès and published by . This book was released on 1966 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electronic Properties of Metals by : Gerd Lehmann
Download or read book Electronic Properties of Metals written by Gerd Lehmann and published by Elsevier Publishing Company. This book was released on 1990 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The excitation spectrum or band structure of electronics is often interpreted as the electronic structure. This definition is based on the Landau theory of elementary excitations, which shows that the reaction of a many-particle system on a weak external perturbation can be described by nearly non-interacting low-energy excitations of one-particle type. In metals these excitations close to the Fermi energy are only lightly damped. On this basis many electronic properties, especially of metals, can be understood and calculated, a breakthrough which has made a considerable contribution to materials science. This book focuses on the basic principles of solid state physics and in particular on actual problems and recent applications which have not previously been reviewed. At present a common electron theory for all types of solids is developing, unifying the viewing and treatment of the electronic structure and electronic properties of metals and semiconductors.
Book Synopsis Introduction to the Electron Theory of Metals by : Uichiro Mizutani
Download or read book Introduction to the Electron Theory of Metals written by Uichiro Mizutani and published by Cambridge University Press. This book was released on 2001-06-14 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron theory of metals textbook for advanced undergraduate students of condensed-matter physics and related disciplines.
