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Sub-Picosecond Time-Resolved Spectroscopy of Energetic Materials : the Nitromethane and Nitro-Stilbenes

hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorRAJCHENBACH, C.
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorJONUSAUSKAS, Gediminas
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorRULLIERE, C.
dc.date.issued1995-05-01
dc.identifier.issn1155-4339
dc.description.abstractEnUsing sub-picosecond CARS experiment we observed direct photolysis of liquid nitromethane after pulse excitation at 299 nm. We measured the dynamic behaviour under excitation of three main ground state Raman lines at 917 cm-l, 1400 cm-l and 2968 cm-1. We deduced an excited state lifetime of 1.1 +/- 0.3 ps and we measured a photolysis quantum yield at 299 nm of 24% +/- 5%. Using "pump-probe" experiments we observed the evolution of excited states of eight nitro-stilbene derivatives including 2,4,6,2',4',6'-hexanitro-stilbene (HNS). In the studied compounds important non-radiative desexcitation channels have been observed and their possible role on explosive process is discussed.
dc.language.isoen
dc.publisherEDP Sciences
dc.title.enSub-Picosecond Time-Resolved Spectroscopy of Energetic Materials : the Nitromethane and Nitro-Stilbenes
dc.typeArticle de revue
dc.identifier.doi10.1051/jp4:1995429
dc.subject.halPhysique [physics]/Articles anciens
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
bordeaux.journalJournal de Physique IV Proceedings
bordeaux.page365-378
bordeaux.volume05
bordeaux.issueC4
bordeaux.peerReviewedoui
hal.identifierjpa-00253734
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//jpa-00253734v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20de%20Physique%20IV%20Proceedings&rft.date=1995-05-01&rft.volume=05&rft.issue=C4&rft.spage=365-378&rft.epage=365-378&rft.eissn=1155-4339&rft.issn=1155-4339&rft.au=RAJCHENBACH,%20C.&JONUSAUSKAS,%20Gediminas&RULLIERE,%20C.&rft.genre=article


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