Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Bernard Raveau"'
Autor:
Laura Paradis-Fortin, Pierric Lemoine, Emmanuel Guilmeau, Gérard Le Caër, Ventrapati Pavan Kumar, Bernard Malaman, Stéphane Cordier, Vincent Caignaert, Bernard Raveau
Publikováno v:
Inorganic Chemistry
Inorganic Chemistry, 2017, 56 (21), pp.13376-13381. ⟨10.1021/acs.inorgchem.7b02128⟩
Inorganic Chemistry, American Chemical Society, 2017, 56 (21), pp.13376-13381. ⟨10.1021/acs.inorgchem.7b02128⟩
Inorganic Chemistry, 2017, 56 (21), pp.13376-13381. ⟨10.1021/acs.inorgchem.7b02128⟩
Inorganic Chemistry, American Chemical Society, 2017, 56 (21), pp.13376-13381. ⟨10.1021/acs.inorgchem.7b02128⟩
International audience; This study shows that the design of copper-rich sulfides by mimicking natural minerals allows a new germanite-type sulfide Cu22Fe8Ge4S32 with promising thermoelectric properties to be synthesized. The Mössbauer spectroscopy a
Autor:
Daniel A. Macedo, Vincent Caignaert, F. M. Aquino, Chrystian G.M. Lima, Rinaldo M. Silva, Bernard Raveau, Moisés R. Cesário
Publikováno v:
Materials Chemistry and Physics
Materials Chemistry and Physics, Elsevier, 2017, 187, pp.177-182. ⟨10.1016/j.matchemphys.2016.11.063⟩
Materials Chemistry and Physics, 2017, 187, pp.177-182. ⟨10.1016/j.matchemphys.2016.11.063⟩
Materials Chemistry and Physics, Elsevier, 2017, 187, pp.177-182. ⟨10.1016/j.matchemphys.2016.11.063⟩
Materials Chemistry and Physics, 2017, 187, pp.177-182. ⟨10.1016/j.matchemphys.2016.11.063⟩
International audience; The present work reports the synthesis, structure and electrochemical assessment of Cu-doped calcium cobaltites as cathode materials for solid oxide fuel cells (SOFCs). Powders of composition Ca3-xCuxCo4O9-delta (0
Autor:
Bernard Raveau, Md. Motin Seikh
Publikováno v:
Cobalt Oxides: From Crystal Chemistry to Physics
Publikováno v:
Solid State Communications. 146:97-101
We have studied the chemical, structural and transport properties of a series of In2O3 based samples with germanium doping (from 0 to 15 atom%). X-ray diffraction and scanning electron microscopy studies show that the solubility limit of Ge in In2O3
Publikováno v:
Journal of Applied Physics
Journal of Applied Physics, American Institute of Physics, 2015, 118 (15), pp.155101. ⟨10.1063/1.4933277⟩
Journal of Applied Physics, 2015, 118 (15), pp.155101. ⟨10.1063/1.4933277⟩
Journal of Applied Physics, American Institute of Physics, 2015, 118 (15), pp.155101. ⟨10.1063/1.4933277⟩
Journal of Applied Physics, 2015, 118 (15), pp.155101. ⟨10.1063/1.4933277⟩
International audience; Cu2MgSnSe4 based compounds composed of high earth abundant elements have been identified to exhibit good thermoelectric performance in the mid-temperature range. The pristine phase shows a band gap of 1.7 eV, which is slightly
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 631:1831-1839
Iron oxides, oxyhydroxydes and oxycarbonates derived from the layered Ruddlesden-Popper (RP) structure form a large family of layered compounds. Besides the classical RP oxides Srn+1FenO3n+1, single intergrowths with the generic formulation (A,Sr)n+2
Autor:
Christine Martin, Li Pi, Claude Michel, Bernard Raveau, Antoine Maignan, Maryvonne Hervieu, Sylvie Hébert, Denis Pelloquin
Publikováno v:
Crystal Engineering. 5:365-382
Metal-transition oxides are potential materials for thermoelectric devices operating at high temperatures ( T ≫300 K). In particular, compounds exhibiting small resistivity and large Seebeck coefficient are required. Two kinds of oxides have been r
Autor:
Anne Guesdon, Bernard Raveau
Publikováno v:
Solid State Sciences. 2:855-860
A novel Mo(V) diphosphate Sr(MoO) 2 P 2 O 7 has been synthesized. It crystallizes in the space group P 2 1 / n with a =7.925(1) A, b =7.739(1) A, c =9.485(1) A and β =91.05(1)°. Its original framework consists of MoP 2 O 11 units built up of one P
Autor:
Maryvonne Herveieu, Dominique Grebille, Olivier Perez, Claude Michel, Bernard Raveau, Alain-Christophe Masset, Henri Leligny
Publikováno v:
Comptes Rendus de l'Académie des Sciences - Series IIC - Chemistry. 2:409-414
A new misfit layer cobaltite Bi 0.87 SrO 2 2 CoO 2 1.82 has been synthesized. Its structure, solved from a single crystal X-ray investigation, shows CdI 2 type CoO 2 layers similar to those encountered in misfit chalcogenides, but different rock salt
Publikováno v:
Chemistry of Materials. 10:2592-2595
Using pulsed laser deposition (PLD), metastable perovskite YMnO3 films were grown from a hexagonal YMnO3 target. The stabilization of the metastable phase is a result of the structural similarity between it and the perovskite substrates. X-ray and el