Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Jean-Claude Rivoal"'
Publikováno v:
Chemical Physics. 166:393-409
The magnetic circular dichroism (MCD) and absorption spectra of Ag and Au atoms isolated in Ar, Kr and Xe rare gas matrices have been measured. Moment analyses have been carried out on the 2 P← 2 S absorption and MCD bands for all six systems. The
Autor:
Christian Frétigny, Jean-Claude Rivoal
Publikováno v:
Frottement, usure et lubrification.
La microscopie a force atomique a connu un developpement rapide. La technologie de cette sonde locale, basee sur la mesure des forces entre un fin stylet et la surface etudiee, permet d’imager des surfaces avec une resolution, transversale et verti
Autor:
Jean‐Claude Rivoal, R. Pyzalski, Marc Eyring, Jalal Shakhsemampour, Jan Pyka, T. Tipton, Martin Vala
Publikováno v:
The Journal of Chemical Physics. 86:5951-5957
Equations useful for the moment analysis of magnetic circular dichroism (MCD) and absorption bands of P←S electronic transitions of atoms or ions for any spin multiplicity have been derived. In particular, it is shown that the first through third M
Autor:
Martin Vala, Jean‐Claude Rivoal
Publikováno v:
The Journal of Chemical Physics. 86:5958-5962
The band moment analysis of allowed transitions in magnetic circular dichroism/absorption may be complicated by the presence of near‐lying forbidden transitions. The rare gas matrix enhances the spin–orbit coupling between the forbidden and allow
Publikováno v:
The Journal of Chemical Physics. 80:2401-2406
The absorption and magnetic circular dichroism spectra of the 2P←2S transition of matrix‐isolated copper atoms have been measured in krypton and xenon matrices. A dramatic reversal in the MCD C term pattern is observed. From a spectral band momen
Publikováno v:
Chemical Physics Letters. 92:313-316
Peculiar transitions in the optical spectra of Mn atoms isolated in argon matrices confirm the existence of Mn 2 molecule. The temperature variation of the absorption and MCD intensity in the range 13-27 K demonstrate that the Mn 2 molecule is antife
Publikováno v:
The Journal of Chemical Physics. 78:2231-2239
The absorption and MCD spectra of the 2P ← 2S transition of Cu atoms isolated in argon matrices have been measured over the temperature range 13–25 K. Spectral band moments (up to third order in MCD) have been determined and parameters of interes
Publikováno v:
The Journal of Chemical Physics. 83:969-974
The absorption, magnetic circular dichroism (MCD), and magnetic linear dichoism (MLD) spectra of Ni atoms isolated in an argon matrix (4.2 K) have been measured. By utilizing the complementarity of the predicted MCD and MLD signals for transitions to
Publikováno v:
Journal de Chimie Physique. 67:463-470
Une methode est proposee pour calculer theoriquement les elements de matrice des operateurs moment dipolaire electrique et moment dipolaire magnetique. Cette methode permet d’exprimer sous forme parametrique la force de dipole et le moment magnetiq
Autor:
R. Nahoum, Jean‐Claude Rivoal, M. Pyka, Marc Eyring, Martin Vala, Jeremie T. Zoueu, X. Blanchard
Publikováno v:
Scopus-Elsevier
The site symmetry and magnitude of the crystal field splitting of metal atoms trapped in rare gas matrices may be determined by a combination of the temperature and magnetic field dependence of magnetic circular dichroism (MCD) and magnetic linear di
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