Search Results - "Brec, R"

Heat treatments versus microstructure in a molybdenum-rich borosilicate by Henry, N, Deniard, P, Jobic, S, Brec, R, Fillet, C, Bart, F, Grandjean, A, Pinet, O

“…A new glass formulation, a calcium and zirconium-enriched alumino-boro-silicate matrix, able to incorporate 12 wt% of molybdenum oxide has been developed in…”
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Syntheses, Structures, and Optical Properties of Yellow Ce2SiS5, Ce6Si4S17, and Ce4Si3S12 Materials by Gauthier, G, Jobic, S, Evain, M, Koo, H.-J, Whangbo, M.-H, Fouassier, C, Brec, R

“…The Ce−S−Si system has been explored in search of new, yellow nontoxic pigments. We prepared a new Ce−S−Si phase (Ce6Si4S17), determined the crystal structures…”
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Optical properties of CeBO3 and CeB3O6 compounds: first-principles calculations and experimental results by GOUBIN, F, MONTARDI, Y, DENIARD, P, ROCQUEFELTE, X, BREC, R, JOBIC, S

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Determination of the crystallized fractions of a largely amorphous multiphase material by the Rietveld method by Orlhac, X., Fillet, C., Deniard, P., Dulac, A. M., Brec, R.

“…The Rietveld method has proved to be a very effective means to characterize and quantify the crystalline phases and the amorphous phase in glass ceramic…”
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Comparative study of some rare earth sulfides: doped γ-[A] M2S3 (M=La, Ce and Nd, A=Na, K and Ca) and undoped γ-M2S3 (M=La, Ce and Nd) by MAURICOT, R, GRESSIER, P, EVAIN, M, BREC, R

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On the Structural and Electronic Factors Governing the Magnetic Properties of the Hexagonal Perovskite-Type Oxides AxBO3 (A=Ca, Sr, Ba; B=Co, Ni) by Whangbo, M.-H., Koo, H.-J., Lee, K.-S., Gourdon, O., Evain, M., Jobic, S., Brec, R.

“…The hexagonal perovskite-type oxides AxBO3 (A=Ca, Sr, Ba; B=Co, Ni) consist of (BO3)∞ chains made up of face-sharing BO6 octahedra and BO6 trigonal prisms. On…”
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New Antimony Lanthanide Disulfide Dibromides LnSbS2Br2 (Ln=La, Ce): Crystal and Electronic Structures and Optical Properties by Gout, D., Jobic, S., Evain, M., Brec, R.

“…CeSbS2Br2 (I), Ce1/2La1/2SbS2Br2 (II), and LaSbS2Br2 (III) have been synthesized at 700°C from a mixture of LnBr3, Ln2S3, Sb, and S and characterized by…”
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Na3Cr2P3S12 and K3Cr2P3S12: Two New One-Dimensional Thiophosphate Compounds with a Novel Structure by Coste, S., Kopnin, E., Evain, M., Jobic, S., Payen, C., Brec, R.

“…Two new alkali metal chromium thiophosphates, Na3Cr2P3S12 and K3Cr2P3S12, have been synthesized and their structure determined from single-crystal or powder…”
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CePS4 Electronic Structure and Optical Properties by Gauthier, G, Jobic, S, Boucher, F, Macaudière, P, Huguenin, D, Rouxel, J, Brec, R

“…The structure of CePS4 has been determined from single-crystal X-ray diffraction data (I41/acd space group, a = b = 10.9228(3) Å, c = 19.3998(6) Å, V =…”
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Electrochemical behavior of orthorhombic LiMnO2 : influence of the grain size and cationic disorder by CROGUENNEC, L, DENIARD, P, BREC, R, BIENSAN, P, BROUSSELY, M

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Theoretical Study of Possible Iridium Ditelluride Phases Attainable under High Pressure by Jobic, S., Brec, R., Pasturel, A., Koo, H.-J., Whangbo, M.-H.

“…We examined the feasibility of preparing new high-pressure polymorphs of IrTe2 by determining the relative energies and unit cell volumes of known and…”
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Phase transformations of polymeric CdI2-type IrTe2 under high pressure by LEGER, J. M, PEREIRA, A. S, HAINES, J, JOBIC, S, BREC, R

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Synthesis and crystal structure determination of three layered-type thiophosphate compounds KMP2S7 (M = Cr, V, In) by KOPNIN, E, COSTE, S, JOBIC, S, EVAIN, M, BREC, R

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Influence of the Metal–Metal Sigma Bonding on the Structures and Physical Properties of the Hexagonal Perovskite-Type Sulfides Sr9/8TiS3, Sr8/7TiS3, and Sr8/7[Ti6/7Fe1/7]S3 by Gourdon, O, Jeanneau, E, Evain, M, Jobic, S, Brec, R, Koo, H.-J, Whangbo, M.-H

“…The structural and electronic consequences of the metal–metal sigma bonding in the hexagonal perovskite sulfides were examined by calculating the electronic…”
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Anionic Polymeric Bonds in Nickel Ditelluride: Crystal Structure, and Experimental and Theoretical Band Structure by Bensch, W., Heid, W., Muhler, M., Jobic, S., Brec, R., Rouxel, J.

“…Nickel ditelluride was prepared in different ways. Single crystal X-ray investigations reveal that the products are always nonstoichometric with respect to the…”
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On the Origin of the × Superstructure and the Anomalous Magnetic and Transport Properties of the Layered Compound Sr6V9S22O2 by Gourdon, O, Evain, M, Jobic, S, Brec, R, Koo, H.-J, Whangbo, M.-H, Corraze, B

“…We examined why the 1T-VS2 layer of the layered compound Sr6V9S22O2 has the × superstructure in terms of electronic band structure calculations and metal−metal…”
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Infrared, Raman and resonance Raman spectra and lattice dynamics calculations of the solid potassium(I) palladium(II) thiophosphate compound KPdPS4 by Sourisseau, C., Cavagnat, R., Jobic, S., Brec, R.

“…The UV–Visible (350–900 nm), infrared and Raman (30–800 cm−1) spectra of a new transition metal thiophosphate solid compound, KPdPS4, were analyzed using…”
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Synthesis and structure of [Ce(dmf)8]2(WS4)3.H2O by JOBIC, S, POIRIER-COUTANSAIS, S, EVAIN, M, BREC, R

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Charge balance in some BixSey phases through atomic structure determination and band structure calculations by GAUDIN, E, JOBIC, S, EVAIN, M, BREC, R, ROUXEL, J

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Synthesis and Crystal Structure Determination of a New Pressure-Induced Iridium Ditelluride Phase, m-IrTe2, and Comparison of the Crystal Structures and Relative Stabilities of Various IrTe2 Polymorphs by Jobic, S, Brec, R, Chateau, C, Haines, J, Léger, J.-M, Koo, H.-J, Whangbo, M.-H

“…The new monoclinic IrTe2 phase m-IrTe2 was synthesized under pressure, and its structure was determined by X-ray powder diffraction. The relative stabilities…”
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