Sc, Y, La-Lu Rare Earth Elements
Sc, Y, La-Lu Rare Earth Elements

Author: Wolfgang Töpper

Publisher: Springer Science & Business Media

Published: 2013-11-11

Total Pages: 220

ISBN-13: 3662078333

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The present volume "Rare Earth Elements" A 6b deseribes in its first part the origin, mode of oeeurrenee, and behavior of Y and/or RE elements in the hydrosphere and atmos phere. Separately for marine and non-marine environments (surfaee, subsurfaee, mineral, and thermal waters), the behavior of RE (ineluding Y) in the hydrosphere eomprises espeeially the relationship between eontentleomposition and the ehemistry of water, and the processes aeting during migration, removal, and preeipitation are outlined; the influenee of biologieal material is mentioned. Behavior of RE in the atmosphere involves mainly transport, regional differenees, and temporal variations as weil as removal by preeipitation; the anthropogenie influenee is only outlined. The seeond part of this volume treats, partly in a more summary manner, the eosmo and geoehemieal eyeles and the balance of Y and/or RE elements. The relationship between geodynamie position and type of magmatism, as weil as the geoehemieal variations in the geospheres, especially mantle and erust of the earth, are deseribed in greater detail.

Sc, Y, La-Lu. Rare Earth Elements
Sc, Y, La-Lu. Rare Earth Elements

Author: Hiltrud Hein

Publisher: Springer Science & Business Media

Published: 2013-06-29

Total Pages: 289

ISBN-13: 3662075032

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The volume "Rare Earth Elements" C 11 deals with the compounds and systems of the rare earth elements with boron, Le., borides, borates, and associated alkali double compounds. As in all earlier volumes of "Rare Earth Elements" Se ries C ("Seltenerdelemente" Reihe Cl, comparative data are presented in sections preceding treatment of the individual compounds and systems. Topics of the present volume C 11 aare the comparative data on the borides and the indi vidual sections on the systems and borides containing Sc, Y, and La. The individual sections for the systems and borides with Ce to Lu can be found in the following volume C 11 b together with the borates, their alkali double compounds, and other compounds containing Ce to Lu, boron and elements related by the Gmelin system. The most extensively studied borides treated in the comparative sections are of the type MB. These rare earth hexaborides are refractory compounds and so me of them, especially e LaBe, are good thermionic emissive materials or exhibit other interesting physical properties.

Optical Spectra of Ce and Pr
Optical Spectra of Ce and Pr

Author: Karl Gürs

Publisher: Springer

Published: 1993

Total Pages: 300

ISBN-13: 9783540936633

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The volume opens a series dealing with the optical spectra of rare earth ions in inorganic solid rare earth compounds, host crystals, and glasses. Ions of the elements Ce to Lu in host materials serve as optically active centers in commercially used phosphors and in solid state lasers. Thus, much experimental and theoretical work on their spectra has been performed and is still in progress. Both a phenomenological description of the experimental spectra as well as the appropriate energy level diagrams are given. The topics of the present volume are the optical spectra of cerium and praseodymium ions in solid host materials. Especially the spectra of Pr3+ ions continue to be studied intensively because of laser activity in the visible region and the experimentally observed upconversion phenomena. The great variety of host materials includes praseodymium halids, PR3+-doped rare earth halides like LaF3 or LaCL3, fluorite, garnets, borates, phosphates, double nitrates or glasses.

The Structure of Rare-earth Metal Surfaces
The Structure of Rare-earth Metal Surfaces

Author: Stephen David Barrett

Publisher: World Scientific

Published: 2001

Total Pages: 266

ISBN-13: 9781848161733

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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."

Rare Earth Chemistry
Rare Earth Chemistry

Author: Rainer Pöttgen

Publisher: Walter de Gruyter GmbH & Co KG

Published: 2020-10-26

Total Pages: 669

ISBN-13: 311065492X

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This work introduces into the chemistry, materials science and technology of Rare Earth Elements. The chapters by experienced lecturers describe comprehensively the recent studies of their characteristics, properties and applications in functional materials. Due to the broad range of covered topics as hydrogen storage materials, LEDs or permanent magnets this work gives an up-to-date presentation of this fascinating research.

Separation Hydrometallurgy of Rare Earth Elements
Separation Hydrometallurgy of Rare Earth Elements

Author: Jack Zhang

Publisher: Springer

Published: 2016-02-10

Total Pages: 273

ISBN-13: 3319282352

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This book describes in a comprehensive manner the technical aspects of separation of rare earth elements into individual elements for industrial and commercial use. The authors include details on and differentiate among the effective separation of rare earth elements for various parts of the world. They introduce new applications of separation of rare earth elements from concentrates of diverse ore types.

Organoderivatives of Rare Earth Elements
Organoderivatives of Rare Earth Elements

Author: M.N. Bochkarev

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 541

ISBN-13: 9401103615

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The present book is based on the work of M.N.Bochkarev, G.S.Kalinina, L.N. zakharov and S.Ya.Khorshev. The Russian edition of that book appeared under the same title in 1989 and covered literature data up to the middle of 1986. Since that time the number of publications on this subject increased significantly. In this volume we include all the data published up to the end of 1990, as well as some of the most important relevant articles of 1991. Therefore, this book should be considered as a new book, devoted to the same problems, rather than as just a translation of the mentioned issue. This book deals with compounds of scandium, yttrium, lanthanum and lanthanoids containing direct metal-carbon bond, Le. with the real organometallic complexes of these metals. Besides, the volume includes the rare earth complexes, in which organic ligand is bonded to the metal atom via the atom of another element of the Periodic Table. In other words, the book includes all classes of rare earth organoderivatives. Carboxilates, fl-diketonates and related chelates are the exceptions, because their properties are closer to inorganic compounds and they were fully described elsewhere. It should be noted, that "rare earth elements", "rare earth metals", "lanthanoids" and related terms are used in this book for indicating scandium, yttrium, lanthanum and the following 14 elements of the Periodic Table.