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Author | : |
Publisher | : Springer Science & Business Media |
Total Pages | : 381 |
Release | : 2013-11-11 |
Genre | : Science |
ISBN | : 3662063662 |
Download Sc, Y, La-Lu Rare Earth Elements Book in PDF, ePub and Kindle
The volume "Rare Earth Elements" C10 deals with the rare earth tellurides, oxide tellurides, tellurates, telluride halides, tellurate halides, sulfide tellurides, selenide tellurides, and alkali rare earth tellurates. Another topic of this volume are the compounds of the rare earth elements with polonium. Sofaras meaningful and as in all earlier volumes of "Rare Earth Elements" Series C ("Seltenerdelemente" Reihe C), comparative data are presented in sections preceding treatment of the individual compounds and systems. Gaseous telluride molecules are described in the first section. The subsequent sections deal mainly with the chemical and physical properties of the solid tellurides, of which SmTe, EuTe, and TmTe play the most important rote. The most prominent feature of SmTe is the pressure-induced valence transition from divalent Sm to the intermediate valence state, similar to SmSe (see "Rare Earth Elements" C9). Main topics of the section on EuTe are the magnetic and spectroscopic investigations, which show only antiferromagnetic ordering at low temperatures, unlike the complex magnetic properties of EuSe. The magnetic phase diagram, magnetic resonances, exchange interactions, and anisotropies have been ex tensively studied. A pressure-induced valence change is also observed in TmTe with divalent Tm under ambient conditions. The valence changewas also reached by alloying with TmSe. The oxide tellurides have been studied less intensively than the other oxide chalcogenides and only the type M0 Te is known. Data on preparation, crystallographic, and magnetic 2 2 properties dominate this section.
Author | : Wolfgang Töpper |
Publisher | : Springer Science & Business Media |
Total Pages | : 220 |
Release | : 2013-11-11 |
Genre | : Science |
ISBN | : 3662078333 |
Download Sc, Y, La-Lu Rare Earth Elements Book in PDF, ePub and Kindle
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.
Author | : Hiltrud Hein |
Publisher | : Springer Science & Business Media |
Total Pages | : 289 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3662075032 |
Download Sc, Y, La-Lu. Rare Earth Elements Book in PDF, ePub and Kindle
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.
Author | : Karl Gürs |
Publisher | : Springer |
Total Pages | : 300 |
Release | : 1993 |
Genre | : Science |
ISBN | : 9783540936633 |
Download Optical Spectra of Ce and Pr Book in PDF, ePub and Kindle
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.
Author | : Xing Lu |
Publisher | : CRC Press |
Total Pages | : 286 |
Release | : 2014-12-10 |
Genre | : Science |
ISBN | : 1466593946 |
Download Endohedral Metallofullerenes Book in PDF, ePub and Kindle
Knowledge on endohedral metallofullerenes (EMFs) has increased dramatically during the last decade. Numerous research findings have been reported, making it an opportune time to provide a systematic update on EMFs. Endohedral Metallofullerenes: Basics and Applications presents the most comprehensive review on all aspects of EMFs including their generation, extraction and isolation, structural issues, theories, intrinsic properties, chemical behaviors, and potential applications. In this book, the editors have collected an impressive amount of information regarding this family of a truly sui generis form of matter. The book’s authors were chosen for their specific expertise in EMF research and have been gathered from top research groups from around the world. Graduate students, newcomers to the field, and experienced researchers alike will find this book a highly useful reference on the topic.
Author | : |
Publisher | : |
Total Pages | : 228 |
Release | : 1987 |
Genre | : Chemistry, Inorganic |
ISBN | : |
Download Gmelin Handbook of Inorganic Chemistry Book in PDF, ePub and Kindle
Author | : Karl Gürs |
Publisher | : Springer |
Total Pages | : 312 |
Release | : 1997-04-30 |
Genre | : Science |
ISBN | : 9783540937456 |
Download Optical Spectra of Nd Book in PDF, ePub and Kindle
The volume describes the optical spectra of Nd2+ and Nd3+ ions in host materials. The Nd3+ ion is one of the most important activator ions in solid-state laser crystals. Thus its optical spectra arising from transitions within the levels of the 4f manifold have been extensively investigated. The field is surveyed by an expert author who discusses the spectra of Nd3+ in solid inorganic neodymium compounds in great detail. In addition, a complete survey is given on the Nd3+ spectra in host crystals of other inorganic non-rare earth compounds and also on the effects of codoping of additional rare earth ions in these compounds. Spectra of Nd3+ in other hosts will be discussed in a forthcoming volume.
Author | : |
Publisher | : |
Total Pages | : 490 |
Release | : 1995 |
Genre | : Chemistry, Inorganic |
ISBN | : |
Download Rare earth elements: Fluorides, flouride oxides, and the related alkali double salts Book in PDF, ePub and Kindle
Author | : Reiner Ditz |
Publisher | : Springer |
Total Pages | : 444 |
Release | : 1988-06-29 |
Genre | : Science |
ISBN | : 9783540935711 |
Download Sedimentary Cycle. Metamorphic Cycle Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 392 |
Release | : 1987 |
Genre | : Chemistry, Inorganic |
ISBN | : |
Download Rare earth elements: The compounds. sect. 1. Hydrides. Oxides Book in PDF, ePub and Kindle