Zobrazeno 1 - 10
of 141
pro vyhledávání: '"Agnès Traverse"'
Publikováno v:
Histoire de la recherche contemporaine. :37-44
Soleil, source de lumiere elaboree au Lure, laboratoire d’Orsay, entre 1989 et1999, voit son evolution stoppee par decision du ministre de la Recherche en aout 1999. Il faudra un peu plus d’un an de mobilisation des communautes scientifiques nati
Publikováno v:
Journal of Catalysis. 281:40-49
Au–Ag bimetallic catalysts supported on TiO 2 were prepared by sequential deposition–precipitation method, silver first and then gold. Au–Ag catalysts with different Au/Ag atomic ratios were synthesized. XANES and H 2 TPR results show that gold
Publikováno v:
The Journal of Physical Chemistry C. 115:12243-12249
PtxPd1–x (x = 0.5, 0.3, or 0) nanoparticles submitted to hydrogen reduction and posterior H2S sulfidation at 300 °C were characterized by in situ and ex situ X-ray absorption spectroscopy (XAS). Th...
Autor:
Jonder Morais, Jairton Dupont, Maria do Carmo Martins Alves, Carla W. Scheeren, Fabiano Bernardi, Dagoberto O. Silva, Agnès Traverse
Publikováno v:
The Journal of Physical Chemistry C. 113:3909-3916
PtxPd1−x (x = 1, 0.7, or 0.5) nanoparticles submitted to hydrogen reduction and posterior H2S sulfidation at 150 or 300 °C were characterized by in situ X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectroscopy (XPS). The in situ XA
Publikováno v:
Journal of Non-Crystalline Solids. 353:2646-2653
The sol–gel dip coating technique has been used to deposit composite oxide films (NiO)x(SiO2)1−x with x = 0.1 on silicon wafers. Single and multilayer coatings allowed a variation of the film thickness from 70 to 400 nm. Film morphology, atomic s
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 257:424-427
We have studied the effects of ion irradiation on the structural and magnetic properties of FeCo/Cu multilayers. The films were irradiated at room temperature with 600 keV Kr ions, with fluences ranging from 1 to 5 · 10 15 ions/cm 2 . X-ray absorpti
Publikováno v:
Journal of Non-Crystalline Solids
Journal of Non-Crystalline Solids, Elsevier, 2006, 352 (23-25), pp.2501-2505
Journal of Non-Crystalline Solids, Elsevier, 2006, 352 (23-25), pp.2501-2505
Ion beam sputtering has been used to prepare Ag/Cu, Ag and Cu nanoclusters embedded in a Si3N4 dielectric matrix with the goal to correlate structural information and optical properties. The optical transmittance spectra of the bimetallic nanocluster
Publikováno v:
Journal of Non-Crystalline Solids. 352:99-108
In order to study the effect of confinement on crystallographic arrangement, selenium (Se) was introduced into carbon nanotubes with average diameters of 12, 23 and 50 A. The evolution of the Se long-range crystallographic arrangement and the Se shor
Publikováno v:
Journal of Magnetism and Magnetic Materials. :1593-1596
The short-range order of (Fe x Co y B z C u ) 80 Si 3 Al 5 Ga 2 P 10 with x = 5 – 70 , y = 0 – 63 , z = 5 – 12 and u = 0 – 5 amorphous alloys has been investigated by X-ray absorption spectroscopy. The existence of some chemical preferences l
Autor:
Agnès Traverse, E Fonda
Publikováno v:
Journal of Magnetism and Magnetic Materials. 268:292-297
[Al/Fe] n multilayers have been produced by metal vapor deposition on an SiO 2 substrate. X-ray absorption spectroscopy at the Fe K-edge has been used as a local probe capable of describing the first stages of interface formation. Absorption data cle