Search Results - "Armand, Pascale"

Flux-Grown Piezoelectric Materials: Application to α-Quartz Analogues by Armand, Pascale, Lignie, Adrien, Beaurain, Marion, Papet, Philippe

“…Using the slow-cooling method in selected MoO3-based fluxes, single-crystals of GeO2 and GaPO4 materials with an alpha -quartz-like structure were grown at…”
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A complete solid solution between GeO2 and SiO2 with the α-quartz structure: Additional X-ray diffraction data from Ge1−xSixO2 flux-grown crystals by Armand, Pascale, Granier, Dominique, Tillard, Monique

“…Millimeter-sized crystals of formula Ge1−xSixO2, i.e. GeO2 materials partially substituted by SiO2, were obtained for the first time both in the middle and the…”
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A complete solid solution between GeO2 and SiO2 with the α-quartz structure: Additional X-ray diffraction data from Ge1Si O2 flux-grown crystals by Armand, Pascale, Granier, Dominique, Tillard, Monique

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A complete solid solution between GeO2 and SiO2 with the α-quartz structure: additional X-ray diffraction data from Ge1-x SixO2 flux-grown crystals by Armand, Pascale, Granier, Dominique, Tillard, Monique

“…Millimeter-sized crystals of formula Ge 1−x Si x O 2, i.e. GeO 2 materials partially substituted by SiO 2 , were obtained for the first time both in the middle…”
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Structural and Vibrational Study of CsSbGe 3 O 9 , a New Germanate in the A SbGe 3 O 9 Family ( A  = Alkali Metal) by Tillard, Monique, Haidoux, Abel, Granier, Dominique, Daenens, Léa, Armand, Pascale

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Single-crystal growth, structure, and optical properties of a new non-centrosymmetric germanate, RbSbGe3O9 by Armand, P., Tillard, M., Haidoux, A., Daenens, L.

“…The RbSbGe3O9 compound, grown by the high-temperature solution technique from the Rb2Mo4O13 flux, crystallizes in the trigonal non-centrosymmetric space group…”
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In situ study of the crystallization in GeTe0.26 Se0.74 thick film by synchrotron X-ray diffraction by Armand, P., Escalier, R., Lizion, J., Mocuta, C., Silly, G., Piarristeguy, A.

“…Crystallization in unencapsulated GeTe0.26Se0.74 amorphous 3 µm-thick films produced by thermal co-evaporation technique was studied by in situ…”
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Growth, crystal structure, and properties of the Li3Ba2Ln3(MoO4)8 (Ln = Er, Tm) molybdates by Armand, P., Granier, D., Reibel, C., Tillard, M.

“…The compounds Li3Ba2Ln3(MoO4)8 (Ln = Er, Tm) have been obtained by the high-temperature flux technique using the slow cooling method. Crystals grown…”
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Structure, vibrational and magnetic characteristics of LiYbX2O8 (X = W, Mo) single-crystals by Armand, Pascale, Granier, Dominique, Reibel, Corine, Daenens, Léa, Tillard, Monique

“…•Flux-growth of sub-millimeter size and colorless LiYb(XO4)2 (X = MoVI, WVI) crystals.•Ordered distribution of Li+ and Yb3+ in LiYbW2O8 (P2/n) and W− {O2}−W…”
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Mixed Glass Former Effect in the System 0.3Li2S−0.7[(1−x)SiS2−xGeS2]: A Structural Explanation by Pradel, Annie, Rau, Christoph, Bittencourt, Diomar, Armand, Pascale, Philippot, Etienne, Ribes, Michel

“…A mixed glass former effect has been observed in the glassy system 0.3Li2S−0.7[(1−x)SiS2−xGeS2], where 0 ≤ x ≤ 1. It corresponds to a large enhancement of…”
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Crystal structure, Raman characterization, and magnetic properties of the hydrate RbYb(MoO4)2, H2O by Tillard, M., Granier, D., Daenens, L., Reibel, C., Armand, P.

“…The millimeter-sized single crystals of RbYb(MoO4)2, H2O monohydrate were successfully grown using the high-temperature self-flux method. This colorless and…”
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BaCoO 2 with Tetrahedral Cobalt Coordination: The Missing Element to Understand Energy Storage and Conversion Applications in BaCoO 3-δ -Based Materials by Diatta, Aliou, Colin, Claire V, Viennois, Romain, Beaudhuin, Mickael, Haines, Julien, Hermet, Patrick, van der Lee, Arie, Konczewicz, Leszek, Armand, Pascale, Rouquette, Jérôme

“…Barium-cobaltate-based perovskite (BaCoO ) and barium-cobaltate-based nanocomposites have been intensively studied in energy storage and conversion devices…”
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Structural and Vibrational Study of CsSbGe3O9, a New Germanate in the ASbGe3O9 Family (A = Alkali Metal) by Tillard, Monique, Haidoux, Abel, Granier, Dominique, Daenens, Léa, Armand, Pascale

“…The germanate CsSbGe3O9, grown spontaneously via the high-temperature solution method from Cs2Mo4O13 used as a flux, crystallizes in the orthorhombic system…”
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Growth, single-crystal structure, and magnetic properties of the double molybdate KYb(MoO4)2 by Armand, P., Reibel, C., Granier, D., Tillard, M.

“…Crystals of the rare earth double molybdate KYb(MoO4)2 were grown by spontaneous nucleation from a K2Mo4O13 flux. The typical crystals were colorless and…”
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Density Functional Theory Prediction of the Second Harmonic Generation and Linear Pockels Effect in Trigonal BaZnO 2 by Diatta, A., Rouquette, J., Armand, P., Hermet, P.

“…Polycrystalline powder of trigonal BaZnO2 has been synthesized and characterized by X-ray diffraction, dielectric measurements, and vibrational spectroscopy…”
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Insertion/disinsertion of oxygen in BaCoO 2+ x (0 ≤ x ≤ 1) by Diatta, Aliou, Armand, Pascale, Rouquette, Jérôme

“…Abstract only…”
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BaCoO2 with Tetrahedral Cobalt Coordination: The Missing Element to Understand Energy Storage and Conversion Applications in BaCoO3−δ-Based Materials by Diatta, Aliou, Colin, Claire V., Viennois, Romain, Beaudhuin, Mickael, Haines, Julien, Hermet, Patrick, van der Lee, Arie, Konczewicz, Leszek, Armand, Pascale, Rouquette, Jérôme

“…Barium–cobaltate-based perovskite (BaCoO3−δ) and barium–cobaltate-based nanocomposites have been intensively studied in energy storage and conversion devices…”
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The open-framework structure of KSbGe3O9 flux-grown crystals investigated by X-ray diffraction, vibrational spectroscopy, and DFT calculations by Tillard, M., Hermet, P., Haidoux, A., Granier, D., Armand, P.

“…We report on the preparation and the X-ray crystal structure of colorless KSbGe3O9, its vibrational properties (Raman and infrared studies), and density…”
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Optical properties in the infrared range of the birefringent α-GeO2 single crystal by Armand, Pascale, Hermet, Patrick, Bantignies, Jean-Louis, Haidoux, Abel, Maurin, David, Ménaert, Bertrand, Peña, Alexandra, Papet, Philippe

“…[Display omitted] •Infrared optical properties of the new GeO2 crystal with the α-quartz structure.•Polarized reflectivity measurements in the 100−1100 cm−1…”
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Modulation of quartz-like GeO2 structure by Si substitution: an X-ray diffraction study of Ge1−xSixO2 (0 ≤x < 0.2) flux-grown single crystals by Lignie, Adrien, Granier, Dominique, Armand, Pascale, Haines, Julien, Papet, Philippe

“…The spontaneous nucleation by the high‐temperature flux method of GeO2 and SiO2‐substituted GeO2 (Ge1−xSixO2) compounds was improved to give single crystals…”
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