Zobrazeno 1 - 10
of 277
pro vyhledávání: '"F. Wallart"'
Autor:
M. Dalstein, M. Medlock, G. Clerc, E. Boutleux, F. Wallart, T. Vu-Cong, F. Jacquier, A. Girodet
Publikováno v:
2022 IEEE 4th International Conference on Dielectrics (ICD).
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-...]
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], Elsevier, 2005, 61, pp.419. ⟨10.1016/j.saa.2004.03.042⟩
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2005, 61, pp.419. ⟨10.1016/j.saa.2004.03.042⟩
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], Elsevier, 2005, 61, pp.419. ⟨10.1016/j.saa.2004.03.042⟩
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2005, 61, pp.419. ⟨10.1016/j.saa.2004.03.042⟩
The monoclinic phosphates with K3Ln(PO4)2 (Ln=rare earth) formula were synthesized. Their infrared and Raman spectra have been reported and analysed. The results of a force field calculation for K3Nd(PO4)2 are presented.
Autor:
L. Benarafa, M Serghini Idrissi, R. Nejjar, L. Rghioui, F. Wallart, A. Lorriaux, M. Saidi Idrissi
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 60:2043-2052
The monoclinic pyrophosphates with AMP2O7 formula were synthesized. Their infrared and Raman spectra have been reported and analysed. The results of a force field calculation for CaCuP2O7 are presented.
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 58:2951-2960
Resume Ce travail porte sur l’etude experimentale et theorique des spectres de vibration des phosphates SrM 2 (PO 4 ) 2 avec M=Ni, Co synthetises par nous meme. Une attribution des raies et des bandes de vibration a ete proposee et confirmee par un
Publikováno v:
Journal of Raman Spectroscopy. 31:535-538
Autor:
M. Lemaitre-Blaise, Pierre Porcher, F. Wallart, Elisabeth Antic-Fidancev, A. Lorriaux-Rubbens
Publikováno v:
Journal of Alloys and Compounds. :412-415
An enhancement of the intensity of Eu 3+ luminescence is observed when arsenic replaces vanadium in bismuth europium orthovanadates. This is connected to the progressive crystallographic modification induced by the cation substitution in the studied
Autor:
F. Wallart, M. Lemaitre-Blaise, Jean-Luc Blin, A. Lorriaux-Rubbens, Elisabeth Antic-Fidancev, Pierre Porcher
Publikováno v:
Annales de Chimie Science des Mat�riaux. 23:277-280
SummaryThe simultaneous use of Raman and luminescence spectroscopies allowed to remove the ambiguity on the Bi 0.72 Eu 0.28 VO 4 structure found from the Rietveld refinement and to choose the 14 1 /amd space group.
Publikováno v:
Annales de Chimie Science des Mat�riaux. 23:259-262
Summary The joint investigation by X-ray diffraction, Raman scattering and Luminescence, allows to define the different domains of the Eu1−xBixV1−yAsyO4 system (0 and 0.50). An enhancement of the luminescence effect is obtained for some arsenovan
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 52:419-427
Resume La synthese des composes de type K 2 RbLn(PO 4 ) 2 (Ln est Ce, …, Lu) a ete realisee par voie seche. L'analyse des diagrammes de poudre et des spectres de vibration de cette famille nous a amene d'une part a considerer deux types de symetrie