Bulk and Surface Electronic Structure of Rare Earth Metals PDF Download
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Author: Robert I. R. Blyth
Publisher:
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Category :
Languages : en
Pages :
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Author: Robert I. R. Blyth
Publisher:
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Category :
Languages : en
Pages :
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Author: Anthony Martin Begley
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Category :
Languages : en
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Author: Stephen David Barrett
Publisher: World Scientific
ISBN: 9781848161733
Category : Science
Languages : en
Pages : 266
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Book Description
The Structure of Rare-Earth Metal Surfaces introduces the concepts of surface crystallography and surface-structure determination, outlines the principles of the most widely used experimental techniques and theoretical simulations, and reviews their application to the surfaces of rare-earth metals. In particular, the results of quantitative low-energy electron-diffraction experiments and multiple-scattering calculations are covered in some depth. The book is aimed at science graduates with an interest in surface crystallography. Contents: Introduction to the Rare Earths; The Basics of Surface Structure; Surface Structure Techniques; Crystal Growth and Surface Preparation; Rare-Earth Surface Science; Quantitative Low-Energy Electron Diffraction; Quantitative LEED Results; Summary OCo Past, Present and Future. Readership: Researchers in surface and interface science, crystallography, condensed matter physics and computational physics."
Author: B. Coqblin
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 680
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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This is the final report for a three-year, Laboratory Directed Research and Development (LDRD) project at the Los Alamos National Laboratory (LANL). This project sought to study of unusual magnetic and structural properties of rare earth, actinide, and transition metals through high-precision electronic structure calculations. Magnetic moment anisotropies in bulk and surface systems were studied, with emphasis on novel surfaces with unusual magnetic properties with possible applicability in magnetic recording. The structural stability, bonding properties, and elastic response of the actinides, as well as transition and rare earth elements and compounds, were also studied. The project sought to understand the unusual crystallographic and cohesive properties of the actinides and the importance of correlation to structural stability and the nature of the delocalization transition in these elements. Theoretical photoemission spectra, including surface effects, were calculated for rare earths and actinides.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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The project has been productive: 47 refereed publications in about 5 years. While confined to the area of surfaces and thin films, the project has covered a wide range of physical properties and different materials: rare earths, bulk and surface alloys, metal surfaces, magnetism, and (especially) atomic and electronic structure of ultrathin films. Notable achievements include quantitative studies of atomic structure of clean rare-earth surfaces: Tb(0001), Tb(11{ovr 2}0), Gd(0001), and Gd(11{ovr 2}0). Surface alloys studied included Cu{l_brace}001{r_brace}c(2 x 2)-Au and Cu{l_brace}001{r_brace}c(2 x 2)-Pd. The most important achievement of the project lies in the application of quantitative low-energy electron diffraction to ultrathin films, particularly magnetic metals on nonmagnetic substrates (e.g., Fe on Ag{l_brace}001{r_brace}, etc.) (No data given.).
Author: M Donath
Publisher: World Scientific
ISBN: 9814544663
Category : Science
Languages : en
Pages : 470
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Book Description
The interplay of magnetism and electronic correlations dominates the physical properties of many rare-earth elements and their compounds. The investigation of the mutual influence of the localized 4f electrons and itinerant band electrons represents a challenging task in theoretical as well as experimental physics. Research areas of current interest are the electronic structure as determined from calculations and spectroscopies, the magnetic properties in three- and low-dimensional systems, open questions concerning transport such as spin disorder resistivity, and the influence of structure and morphology.
Author: E C Subbarao
Publisher: Elsevier
ISBN: 0323138977
Category : Science
Languages : en
Pages : 454
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Book Description
Science and Technology of Rare Earth Materials reviews the important aspects of the science and technology of rare earth materials, covering the entire spectrum from occurrence to extraction and purification, phase relationships, electronic structure, and applications. This book is organized into five sections encompassing 19 chapters. The occurrence, extraction, and production of rare earths are discussed in the first section, followed by purification methods employed for rare earths, together with the role of impurities on their behavior. The phase relations among the rare earth alloys, including a particular reference to the technologically important rare earth-cobalt alloys, and phase relations among the rare earth oxides are considered in the second section. The succeeding two sections focus on studies of the electronic structure of rare earth materials, with emphasis on the use of nuclear magnetic resonance and Mössbauer spectroscopy. Theoretical conceptions are set forth as well as the effect of crystal fields and valence fluctuations on the properties of rare earth systems. The final section describes some of the extensive current uses of rare earth materials such as in the steel industry and in permanent magnets, as well as emerging applications in catalysis, hydrogen storage, ferroelectrics, and fast ion conductors. This book is a valuable resource for researchers and students interested in rare earths.
Author: Frank Y. Fradin
Publisher: Elsevier
ISBN: 1483218279
Category : Technology & Engineering
Languages : en
Pages : 461
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Book Description
Treatise on Materials Science and Technology, Volume 21: Electronic Structure and Properties covers the developments in electron theory and electron spectroscopies. The book discusses the electronic structure of perfect and defective solids; the photoelectron spectroscopy as an electronic structure probe; and the electron-phonon interaction. The text describes the elastic properties of transition metals; the electrical resistivity of metals; as well as the electronic structure of point defects in metals. Metallurgists, materials scientists, materials engineers, and students involved in the related fields will find the book useful.
Author: E. Derouane
Publisher: Springer Science & Business Media
ISBN: 1468427962
Category : Science
Languages : en
Pages : 636
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Book Description
Imagine that a young physicist would approach a granting agen cy and propose to contribute to heterogeneous catalysis by studying the heat conductivity of gases in contact with a hot filament. How would he be received now? How would he have been treated sixty years ago ? Yet, more than sixty years ago, Irving Langmuir, through his study of heat transfer from a tungsten filament, uncovered most of the fundamental ideas which are used to-day by the scientific com munity in pure and applied heterogeneous catalysis. Through his work with what were for the first time "clean" metal surfaces, Langmuir formulated during a period of a little over ten years un til the early thirties, the concepts of chemisorption, monolayer, adsorption sites, adsorption isotherm, sticking probability, cata lytic mechanisms by way of the interaction between chemisorbed spe cies, behavior of non-uniform surfaces and repulsion between adsor bed dipoles. It is fair to say that many of these ideas constituting the first revolution in surface chemistry have since been refined through thousands of investigations. Countless papers have been pu blished on the subject of the Langmuir adsorption isotherm, the Langmuir catalytic kinetics and the Langmuir site-exclusion adsorp tion kinetics. The refinements have been significant. ThE original concepts in their primitive or amended form are used everyday by catalytic chemists and chemical engineers allover the world in their treatment of experimental data, design of reactors or inven tion of new processes.
