Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Catherine Vermeil"'
1
VUV excitation of benzene
Autor: Lucette Hellner, Catherine Vermeil
Publikováno v: Journal of Molecular Spectroscopy. 60:71-92
Benzene isolated in argon or nitrogen matrix at about 5 K has been irradiated with photons of 6 eV (206.2 nm), 8.4 eV (147 nm), and 10 eV (123.6 nm) energy. In every case phosphorescence a 3 B 1u → X 1 A 1g and fluorescence A 1 B 2u → X 1 A 1g ha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ccc7b9a0e600a9f946021212c6a2991
https://doi.org/10.1016/0022-2852(76)90117-x
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2
Description of an apparatus and experimental procedures for low temperature spectroscopy and photochemistry of condensed gases
Autor: J. Fournier, Catherine Vermeil, J. Deson
Publikováno v: Journal of Physics E: Scientific Instruments. 9:879-884
An apparatus for the study of emission spectra at low temperatures of excited species produced by photolysis and trapped in a rigid matrix is described. Experimental techniques for obtaining and controlling low temperatures, the preparation and condi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0caf98597fe97b0631d5631e02150067
https://doi.org/10.1088/0022-3735/9/10/027
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3
Fluorescence and thermoluminescence of N2O, CO, and CO2 in an argon matrix at low temperature
Autor: G. C. Pimentel, Catherine Vermeil, J. Fournier, J. Deson
Publikováno v: The Journal of Chemical Physics. 70:5726-5730
The photolysis of N2O in an argon matrix at 7 °K by 8.4 eV energy photons leads to the emission of the Vegard–Kaplan system of N2 (A 3Σ+→X 1Σ+g) and to the atomic emissions O(1S) →O(1D) and N(2D) →N(4S). The thermoluminescence which accomp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d805b5b6fd855e75354143b11195f59d
https://doi.org/10.1063/1.437399
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4
Excited levels of iron, nickel and cobalt obtained by activation of metal carbonyls at 11.8 ev
Autor: L. Hellner, J. Masanet, Catherine Vermeil
Publikováno v: Chemical Physics Letters. 83:474-479
When direct or sensitized photolysis of gaseous Fe(CO) 5 , Ni(CO) 4 and CoNO(CO) 3 is carried out with 11.6 and 11.8 cV phoions, all the ligands are removed in a single step; excess energy is removed by the metal atom as electronic excitation. Compar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f71893a92919c67da4a79079056d585
https://doi.org/10.1016/0009-2614(81)85504-2
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5
Phosphorescence et thermoluminescences de SO2 dispersé en matrices rigides par excitation dans l’UV lointain
Autor: Catherine Vermeil, J. Deson, Lucette Hellner, C. Lalo
Publikováno v: Journal de Chimie Physique. 73:237-245
L'irradiation dans l’UV lointain de SO2 disperse a 5 K en matrices d’argon, d’azote et de CF4 conduit a la seule emission de phosphorescence de l’etat a3 B1 vibrationnellement relaxe de SO2 . Les spectres de phosphorescence, inde- pendants de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8148282019e9aa4bdd6cfea261dcba06
https://doi.org/10.1051/jcp/1976730237
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6
Constante de vitesse à 298 K de la réaction d'oxydation du méthanol par l'oxygène atomique
Autor: C. Lalo, Catherine Vermeil
Publikováno v: Journal de Chimie Physique. 77:131-136
La constante de vitesse a 298 K de la reaction d'oxydation de CH3 OH par O (3 P) est determinee pour la premiere fois. Les atomes O (3 P) sont produits par photolyse pulsee de O2 en systeme dynamique et leur declin est suivi par photometrie de resona
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74d0bbe36300d0cc323bc310bf21a44a
https://doi.org/10.1051/jcp/1980770131
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7
Thermoluminescence following vuv photolysis of OCS and CS2 in an argon matrix
Autor: Catherine Vermeil, J. Fournier, C. Lalo, J. Deson
Publikováno v: The Journal of Chemical Physics. 66:2656-2659
The vuv photodissociation of OCS in an argon matrix at 5 K has been shown to yield S(1S) atoms. The S(1S –1D) emission is observed only during the irradiation and does not appear when CS2 is photolyzed under the same conditions. However, in both ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9706acbd03278ac902217086d1498fb6
https://doi.org/10.1063/1.434210
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9
Matrix-isolation study of the co2 lowest triplet state
Autor: J. Fournier, Catherine Vermeil, J. Deson, Hassan H. Mohammed
Publikováno v: Chemical Physics Letters. 73:315-318
We have investigated the emission of a CO2 molecule isolated in an Ar matrix at 4.7 K in the spectral region between 350 and 550 nm. This emission is a continuum with a lifetime of 570 ms. We assign it to the transition from the lowest triplet state
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c48ba1ee40630d25e9784c16d0ad1a5
https://doi.org/10.1016/0009-2614(80)80380-0
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10
Radiative lifetimes of the b1Σ+ state of NH, ND radicals
Autor: C. Lalo, Gérard Durand, Jeanine Masanet, Catherine Vermeil
Publikováno v: Chemical Physics. 33:123-130
The lifetime of the b 1 Σ + state of the NH radical is measured again and its radiative Einstein coefficient is calculated. By measuring the ND lifetime, and assuming the same Einstein coefficient for both b → X transitions, the nonradiative decay
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6285875f5ef6ad085512b5807b973323
https://doi.org/10.1016/0301-0104(78)87077-3
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