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Structural And Crystal Chemical Properties Of Alkali Rare Earth Double Phosphates
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Book Synopsis Structural and Crystal Chemical Properties of Alkali Rare-earth Double Phosphates by :
Download or read book Structural and Crystal Chemical Properties of Alkali Rare-earth Double Phosphates written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: When appropriately activated, alkali rare-earth double phosphates of the form: M3RE(PO4)2 (where M denotes an alkali metal and RE represents either a rare-earth element or Y or Sc) are of interest for use as inorganic scintillators for radiation detection at relatively long optical emission wavelengths. These compounds exhibit layered crystal structures whose symmetry properties depend on the relative sizes of the rare-earth and alkali-metal cations. Single-crystal X-ray and powder neutron diffraction methods were used here to refine the structures of the series of rare-earth double phosphate compounds: K3RE(PO4)2 with RE = Lu, Er, Ho, Dy, Gd, Nd, Ce, plus Y and Sc - as well as the compounds: A3Lu(PO4)2, with A = Rb, and Cs. The double phosphate K3Lu(PO4)2 was reported and structurally refined previously. This material had a hexagonal unit cell at room temperature with the Lu ion six-fold coordinated with oxygen atoms of the surrounding phosphate groups. Additionally two lower-temperature phases were observed for K3Lu(PO4)2. The first phase transition to a monoclinic P21/m phase occurred at ~230 K, and the Lu ion retained its six-fold coordination. The second K3Lu(PO4)2 phase transition occurred at ~130 K. The P21/m space group symmetry was retained, however, one of the phosphate groups rotated to increase the oxygen coordination number of Lu from six to seven. This structure then became isostructural with the room-temperature form of the compound K3Yb(PO4)2 reported here that also exhibits an additional high-temperature phase which occurs at T = 120 °C with a transformation to hexagonal P-3 space group symmetry and a Yb-ion coordination number reduction from seven to six. This latter result was confirmed using EXAFS. The single-crystal growth methods structural systematics, and thermal expansion properties of the present series of alkali rare-earth double phosphates, as determined by X-ray and neutron diffraction methods, are treated here.
Book Synopsis Structural and Crystal Chemical Properties of Rare-earth Double Phosphates and Rare-earth Titanate Pyrochlores by : J. Matt Farmer
Download or read book Structural and Crystal Chemical Properties of Rare-earth Double Phosphates and Rare-earth Titanate Pyrochlores written by J. Matt Farmer and published by . This book was released on 2004 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography written by Pierre Villars and published by Walter de Gruyter. This book was released on 2012-12-21 with total page 1827 pages. Available in PDF, EPUB and Kindle. Book excerpt: By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.
Book Synopsis Crystal Structures of a Series of Rare Earth Phosphates by : Rose C. L. Mooney
Download or read book Crystal Structures of a Series of Rare Earth Phosphates written by Rose C. L. Mooney and published by . This book was released on 1948 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook on the Physics and Chemistry of Rare Earths: without special title by : Karl A. Gschneidner
Download or read book Handbook on the Physics and Chemistry of Rare Earths: without special title written by Karl A. Gschneidner and published by North-Holland. This book was released on 1978 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the handbook covers a variety of topics with three chapters dealing with a range of lanthanide magnetic materials, and three individual chapters concerning equiatomic ternary ytterbium intermetallic compounds, rare-earth polysulfides, and lanthanide organic complexes. Two the chapters also include information of the actinides and the comparative lanthanide/actinide behaviors.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1981 with total page 1370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Microwave Chemistry by : Bimal K Banik
Download or read book Advances in Microwave Chemistry written by Bimal K Banik and published by CRC Press. This book was released on 2018-12-07 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Microwave Chemistry discusses the novel bond formation methodologies, synergistic effects of microwaves with other entities, sample preparation including digestion, combustion, and extraction techniques, as well as selectivity in chemical processes. Recent updates are provided on microwave-assisted syntheses of pharmacologically significant aza-, oxo- and other heterocycles, including lactams, nucleosides, bile acids and sterols, the preparation of nanomaterials, composites, and absorber layer materials for thin film. This book also incorporates comparative discussions involving microwave irradiation with conventional methods in different aspects of organic, inorganic, medicinal, and green chemistry. Key Features: Provides a comparative discussion on microwave irradiation with conventional methods in different aspects of organic, inorganic, medicinal, and green chemistry Presents recent applications of microwave radiation in biocatalysis Offers a complete package correlating various aspects of microwaves in organic syntheses, the biological impact of products formed in reactions, pharmacological features, and environmental sustainability of the procedures Explains microwave-induced reactions on structurally complex bile acids and sterols Stands as a valuable and unique addition to the well-established book series, New Directions in Organic and Biological Chemistry
Download or read book INIS Atomindex written by and published by . This book was released on 1994 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ferroelectric Materials and Ferroelectricity by : T. F. Connolly
Download or read book Ferroelectric Materials and Ferroelectricity written by T. F. Connolly and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a joint effort of the Research Materials Information Center (RMIC) of the Solid State Division at Oak Ridge National Laboratory and the Libraries and Information Systems Center at Bell Telephone Laboratories (BTL) Murray Hill, N. J. The Research Materials Information Center has, since 1963, been answering inquiries on the avail ability, preparation, and properties of inorganic solid-state research materials. The preparation of bibliographies has been essential to this function, and the interest in ferroelectrics led to the compila tion of the journal and report literature on that subject. The 1962 book Ferroelectric Crystals, by Jona and Shirane, was taken as a cutoff point, and all papers through mid-1969 received by the Center have been included. The Libraries and Information Systems Center of BTL has, over a period of years, developed a proprie tary package of computer programs called BELDEX, which formats and generates indexes to biblio graphic material. This group therefore undertook to process RMIC's ferroelectric references by BELDEX so that both laboratories could have the benefit of an indexed basic bibliography in this important research area.
Book Synopsis New Research on Solid State Chemistry by : James B. Veliotti
Download or read book New Research on Solid State Chemistry written by James B. Veliotti and published by Nova Publishers. This book was released on 2007 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book on solid state chemistry presents studies of chemical, structural, thermodynamic, electronic, magnetic, and optical properties and processes in solids. Research areas include: bonding in solids, crystal chemistry, crystal growth mechanisms, diffusion epitaxy, high-pressure processes, magnetic properties of materials, optical characterisation of materials, order-disorder, phase equilibria and transformation mechanisms, reactions at surfaces, statistical mechanics of defect interactions, structural studies and transport phenomena.
Book Synopsis Proceedings of the 11th International Conference on Phosphorus Chemistry by : A. Aaviksaar
Download or read book Proceedings of the 11th International Conference on Phosphorus Chemistry written by A. Aaviksaar and published by CRC Press. This book was released on 1990 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Crystal Growth Bibliography written by and published by Springer Nature. This book was released on 1981 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Double Phosphates of Alkaline and Rare-earth Elements, as Well as Titanium, Zirconium, and Hafnium in Melts of Chlorides of Alkali Metals by : I. A. Korshunov
Download or read book Double Phosphates of Alkaline and Rare-earth Elements, as Well as Titanium, Zirconium, and Hafnium in Melts of Chlorides of Alkali Metals written by I. A. Korshunov and published by . This book was released on 1978 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Crystal Chemistry of Condensed Phosphates by : A. Durif
Download or read book Crystal Chemistry of Condensed Phosphates written by A. Durif and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this reference, the author thoroughly reviews the current state of condensed phosphate chemistry. A unique feature of this volume is an examination of the recent developments in X-ray structural techniques, reporting on fundamental results obtained through their use. Enhanced by comprehensive tables reporting crystal data, chapters identify and characterize more than 2,000 compounds. Additional features include a concise survey of the historical development of condensed phosphate chemistry; the presently accepted classification system; a review of each family of condensed phosphates and much more.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2004 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
