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Titolo: FINE-STRUCTURE RELAXATION OF ALUMINUM BY ATOMIC ARGON BETWEEN 30 AND 300 K - AN EXPERIMENTAL AND THEORETICAL-STUDY
Autore: LEPICARD SD; BUSSERYHONVAULT B; REBRIONROWE C; HONVAULT P; CANOSA A; LAUNAY JM; ROWE BR;
- Indirizzi:
- UNIV RENNES 1,UMR CNRS 6627,LAB PHYS ATOMES LASERS MOL & SURFACES,CAMPUS BEAULIEU F-35042 RENNES FRANCE
- Titolo Testata:
- The Journal of chemical physics
fascicolo: 24,
volume: 108,
anno: 1998,
pagine: 10319 - 10326
- SICI:
- 0021-9606(1998)108:24<10319:FROABA>2.0.ZU;2-A
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- SPIN-ORBIT RELAXATION; STRUCTURE TRANSITIONS; STRUCTURE EXCITATION; INTERATOMIC POTENTIALS; MOLECULAR-STATES; ALAR; SPECTROSCOPY; ENERGIES; PHOTODISSOCIATION; COEFFICIENTS;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Science Citation Index Expanded
- Citazioni:
- 48
- Recensione:
- Indirizzi per estratti:
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- Citazione:
- S.D. Lepicard et al., "FINE-STRUCTURE RELAXATION OF ALUMINUM BY ATOMIC ARGON BETWEEN 30 AND 300 K - AN EXPERIMENTAL AND THEORETICAL-STUDY", The Journal of chemical physics, 108(24), 1998, pp. 10319-10326
Abstract
This paper reports the first measurements at low temperatures (44-137K) of rate coefficients for collision induced spin-orbit transitions,using a swarm experiment consisting of a uniform 'supersonic flow coupled with pulsed laser photolysis and laser-induced fluorescence techniques. It has been stated that both excitation and relaxation rates have a positive temperature dependence. The excitation (respectively relaxation) rate constant is 0.15 x 10(-12) cm(3) s(-1) (respectively 1.63 x 10(-12)) at 53 K and 2.76 x 10(-12) cm(3) s(-1) (respectively 4.48x 10(-12)) at 137 K. A theoretical modelization of the Al-Ar system has been developed in the 30-300 K range, that reproduces the temperature dependence. (C) 1998 American Institute of Physics.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 19:54:59