Zobrazeno 1 - 10
of 127
pro vyhledávání: '"C. Sénémaud"'
Autor:
Josette Olivier-Fourcade, Jean Claude Jumas, Adriana Gheorghiu-de La Rocque, Marie Françoise Fontaine, Eesther Belin-Ferré, C. Sénémaud
Publikováno v:
Philosophical Magazine B. 80:1933-1942
Photoemission spectroscopy and X-ray emission spectroscopy have been used to investigate the role of the chemical environment on the electronic structure of SnS, SnS2, Sn2S3 and Li0.57SnS2 compounds. For this purpose, we have studied the Sn 3d5/2 and
Autor:
C. Sénémaud, A. Gheorghiu de la Rocque, B. Doucey, M. Cauchetier, Georges Dufour, F. Ténégal, Djamila Bahloul-Hourlier, M. Mayne, P. Goursat
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. 109:241-248
We report a study using X-ray Photoemission Spectroscopy (XPS) of a nanocomposite which is a mixture of silicon nitride (Si3N4) micrometric grains (mean diameter of 0.2 μm) and silicon carbide (SiC) nanoparticles (from 0.01 μm to 0.06 μm). A diffe
Autor:
Georges Dufour, M. Cauchetier, C. Sénémaud, X. Armand, F. Ténégal, M. Mayne, Nathalie Herlin-Boime, A. Gheorghiu de la Rocque
Publikováno v:
Journal of Applied Physics. 87:7864-7870
Chemical bonding in SiCNAlY(O) nanometric powders was investigated by x-ray photoemission spectroscopy. The powders were prepared by laser pyrolysis of binary mixtures of liquid hexamethyldisilazane and disolved solid isopropoxydes. As-prepared powde
Publikováno v:
Journal of Applied Physics. 84:4945-4950
The electronic structure of ultrafine laser synthesized powders with controlled composition have been investigated by using x-ray photoelectron spectroscopy. The Si 2p, C 1s, and N 1s core levels as well as the valence band distributions have been an
Publikováno v:
Semiconductors. 32:873-878
The influence of the presence of Cu in the amount between 1% and 6% in arsenic chalcogenide glasses is examined through a study of the electronic energy levels by means of x-ray photoelectron and x-ray emission spectroscopy, through an investigation
Autor:
Pavel Bulkin, N. Bertrand, C. Sénémaud, Bernard Drevillon, P.A Bonnefont, A Gheorghiu-de La Rocque
Publikováno v:
Journal of Non-Crystalline Solids. :59-62
An investigation by X-ray photoelectron spectroscopy (XPS) of adhesion mechanisms of a-Si:H films on stainless steel substrates after hydrogen (H2), nitrogen (N2) and ammonia (NH3) plasma treatments of the surface is presented. It is shown that adhes
Autor:
Jean-Eric Bourée, Christian Godet, A Gheorghiu-de La Rocque, P.A Bonnefont, C. Sénémaud, T. Heitz
Publikováno v:
Journal of Non-Crystalline Solids. :447-451
Polymer-like hydrogenated amorphous carbon (a-C:H) films containing increasing concentrations of Si atoms (up to 12 at.%) have been grown using a dual-mode plasma (microwave and radiofrequency) plasma enhanced chemical vapor deposition reactor with l
Autor:
S. Dupont, Pierre-Emmanuel Lippens, Jean-Claude Jumas, C. Sénémaud, Josette Olivier-Fourcade, A. Gheorghiu
Publikováno v:
Physical Review B. 56:13054-13065
The electronic properties of the crystalline phases of the ${\mathrm{Sb}}_{2}{\mathrm{S}}_{3}{\ensuremath{-}\mathrm{T}\mathrm{l}}_{2}\mathrm{S}$ system are investigated both experimentally and theoretically. Experimental data obtained by x-ray photoe
Publikováno v:
Journal de Physique III. 7:529-535
Nanometric Si/C/N powders have been obtained from the laser synthesis of a liquid precursor: hexamethydisilazane. The chemical composition of the products is a function of the experimental parameters: the C/N ratio in the powders is controlled in the
Autor:
L Magaud-Martinage, Zoltán Dankházi, A Gheorghiu, Dimitrios A. Papaconstantopoulos, C. Sénémaud, Esther Belin-Ferré
Publikováno v:
Journal of Physics: Condensed Matter. 8:719-728
The total and partial densities of states of , and have been calculated using a scalar relativistic self-consistent augmented plane-wave method () or a self-consistent linear muffin-tin orbital method in the atomic sphere approximation ( and ). The x