Interaction of rotationally aligned and of oriented molecules in gas phase and at surfaces (Articolo in rivista)

Type
Label
  • Interaction of rotationally aligned and of oriented molecules in gas phase and at surfaces (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.progsurf.2009.12.001 (literal)
Alternative label
  • Vattuone L. ab; Savio L. b; Pirani F. c; Cappelletti D. d; Okada M. efg; Rocca M. ab (2010)
    Interaction of rotationally aligned and of oriented molecules in gas phase and at surfaces
    in Progress in surface sScience (Print); Pergamon-Elsevier Science Ltd., Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Vattuone L. ab; Savio L. b; Pirani F. c; Cappelletti D. d; Okada M. efg; Rocca M. ab (literal)
Pagina inizio
  • 92 (literal)
Pagina fine
  • 160 (literal)
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  • Articolo di rivista (literal)
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  • http://www.sciencedirect.com/science/article/pii/S0079681609000781 (literal)
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  • 85 (literal)
Rivista
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  • In: Progress in Surface Science, vol. 85 (1-4) pp. 92 - 160. PERGAMON-ELSEVIER SCIENCE LTD, 2010. (literal)
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  • 1-4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • a Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy; b UO Genova, CNR, IMEM, I-16146 Genoa, Italy; c Univ Perugia, Dipartimento Chim, I-06123 Perugia, Italy; d Univ Perugia, Dipartimento Ingn Civile & Ambientale and CNISM, I-06125 Perugia, Italy e. Osaka Univ, Renovat Ctr Instruments Sci Educ & Technol, Osaka 5600043, Japan f. Osaka Univ, Grad Sch Sci, Dept Chem, Osaka 5600043, Japan g. Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan (literal)
Titolo
  • Interaction of rotationally aligned and of oriented molecules in gas phase and at surfaces (literal)
Abstract
  • Recent developments concerning the generation of molecular beams containing oriented/aligned molecules will be reviewed and applications of such tools to the study of elementary processes occurring both in homogeneous and heterogeneous phases will be presented. First we will discuss the case of symmetric top molecules oriented by hexapoles. Here the molecular polarization is obtained by the use of an external field and allows to control which end of the molecular projectile is going to collide with the target. Then we will review the so-called collisional alignment, a molecular polarization phenomenon occurring in supersonic expansions of gaseous mixtures. The key feature, in this case, is the velocity dependence of the alignment degree, which allows the use of mechanical devices to filter out of the beam the molecules having either a random (statistical) or a preferential (non-statistical) spatial distribution of their rotational angular momentum J with respect to the molecular beam axis. The physical mechanisms underlying the collisional alignment will be resumed and some relevant gas-phase experiments demonstrating its occurrence will be illustrated. Application of such methodologies to the investigation of the stereodynamics of elementary (literal)
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