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The crystal chemistry of the apatites . compounds with the apatite type structure are known. .THE AMERICAN MINERALOGIST, VOL. 53, MAY-JUNE, . air rare-earth orthosilicates having the apatite structure' with . between rare-earth silicate and phosphate .Atlantic Geology Volume 48 2012. . 131 Rare earth element and y substitution in ynthetic apatite b. .Journal of Chemistry is a peer-reviewed, . Rare earth silicates with apatite structure are of great interest as a new class of oxygen ionic conductors.Rudimental research progress of oxyapatite-type rare-earth silicates is . the rare-earth silicate oxyapatites are considered to have an apatite-like structure.New luminescent oxynitrides based on the apatite structure doped with Eu2+ and Ce3+ have been prepared by ammonolysis of oxysilicate or oxygermanate precursors. The .Apatite is occasionally found to contain significant amounts of rare-earth elements and can be used as an ore for those metals. This is preferable to traditional rare .STRONTIUM IN THE APATITE STRUCTURE: STRONTIAN FLUORAPATITE AND BELOVITE- . (Ce), strontium, rare-earth elements. .It has been known for a long time that the composition of the lanthanides in minerals is controlled to a large degree by crystallo-chemical factors, but is also .GADOLINIUM BOROSILICATE GLASS-BONDED Gd-SILICATE APATITE: A . a rare earth silicate with the apatite structure.Isomorphous silicon substitution by aluminum in the apatite structure accompanied by a change in its oxygen stoichiometry was shown to result in significant increase .Synthesis and Electrical Characterisation of the Apatite . conductivity in rare earth silicates with this structure . tetrahedra with the rare earth .and crystallization behavior of an aluminoborosilicate glass . heterogeneous second rare earth rich silicate phase for samples . In the apatite structure, .hexagonal phase is a rare earth silicate with the apatite structure. We suggest that .This work has been supported by the U.S. Agency for International Development and the National Academy of Sciences under the Pakistan-U.S. Science and Technology .Bioceramics 15: Synthesis of New Biocompatible Apatite-Type Rare-Earth SilicatesSYNTHESIS OF NEW COMPOUNDS WITH APATITE STRUCTURE . silicates with the apatite crystal structure, . published much smaller values for the rare-earth ionic .Ionic conductivity of apatite-type rare-earth . type rare-earth silicates prepared by mechanical . Apatite-type rare earth silicates have .MidwayUSA is a privately held American retailer of various hunting and outdoor-related products.Cumulus apatite, sphene, feldspar, amphibole and biotite from the pulaskite of the Kangerdlugssuaq alkaline intrusion have been analysed for rare earth elements (REE .Structure and properties of rare earth silicates with the apatite structure at high pressure. Journal: Physics and Chemistry of Minerals. Volume: 40. Pages: 817-825.New luminescent rare earth activated oxynitridosilicates and oxynitridogermanates with the apatite structureThe present invention relates to a spindle lanthanum silicate apatite material and method mesogenic structure, having important applications lanthanum silicate .The pressure-induced structural transformation of rare earth, non-stoichiometric silicates, (REE9.33(SiO4)6O2, RE = La, Ce, Nd, Eu, and Gd) with the apatite structure .APATITE CONCENTRATE, A POTENTIAL NEW SOURCE OF RARE EARTH . Apatite, Rare earth elements, REE .The crystal structures of apatite-type (Sr2RE2)(RE6)(SiO4)6O2 (RE=La, Pr, Tb, Tm, and Y) ceramics prepared by conventional solid-state processing has been examined.Phase Equilibria in the Calcia-Gadolinia-Silica System . The implications for understanding the interaction between rare earth . The apatite structure is .Valence determination of rare earth elements in lanthanide silicates . (Ce in silicate apatite and in a KCe silicate . of new silicates containing rare earth .Apatite type lanthanum silicates . ions conductors with the apatite structure for intermediate . range doping possibilities on both rare earth and .Search terms: Semantic Search .JOURNAL OF SOLID STATE CHEMISTRY 5, 266-275 (1972) Rare Earth Silicates with the Apatite Structure J. FELSCHE Institut f Kristallographie und Prographie der ETH .Synthesis and Electrical Characterisation of the Apatite . conductivity in rare earth silicates with this structure . tetrahedra with the rare earth .Buy Apatite at Amazon! Free Shipping on Qualified Orders.Insight into Doping Effects in Apatite Silicate Ionic Conductors** . Structure of the apatite-type oxide La 10 . ularly on the rare-earth sites, .Keywords: crystal structure; apatite structure type; calcium rare earth oxide silicate CCDC reference: .The substitution of rare-earth . at Pb2 sites of the apatite structure according to the . of rare-earth elements in apatite silicates La (9 .Search terms: Semantic Search . 1bcc772621

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September 2018