Academic literature on the topic 'Diffusion Raman résonant'
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Journal articles on the topic "Diffusion Raman résonant"
Froyer, G., J. P. Buisson, A. Simonneau, and S. Lefrant. "Diffusion Raman résonnante et analyse vibrationnelle du sexiphényle réduit par des organo-alcalins en milieu polaire." Journal de Chimie Physique et de Physico-Chimie Biologique 95, no. 6 (June 1998): 1307–10. http://dx.doi.org/10.1051/jcp:1998271.
Full textDissertations / Theses on the topic "Diffusion Raman résonant"
El, Khoury Lara. "Diffusion Raman résonante des rayons X de molécules excitées en couche profonde." Paris 6, 2008. http://www.theses.fr/2008PA066305.
Full textGrimault, Anne-Sophie. "Modélisation du champ proche de structures résonantes 3D : application à la diffusion Raman exaltée de surface." Troyes, 2006. http://www.theses.fr/2006TROY0006.
Full textWe studied the position of the localized surface plasmon resonance and the surface enhanced Raman scattering of periodic arrays of metallic nanostructures with different size, form and environment. To calculate localized surface plasmon resonance and the Raman gain, we developed a numerical code based on the finite difference time domain method using the Drude-Lorentz dispersion model. Our results highlighted a strong influence of the geometry and environment of the nanoparticles on their resonance plasmon and their Raman signal. We observed dipolar and multipolar plasmon mode resonances as well as a shift between the position of the Plasmon resonance and the position of the maximum of the intensity of the Raman signal, whatever the size and the form of the nanoparticles. This numerical tool can thus make it possible to optimize manufacture of samples, by giving the parameters of size, form and environment necessary to achieve the most intense Raman signals
Le, Nader Victor. "Approche expérimentale et théorique de la diffusion Raman exaltée : résonance des plasmons de surface et effet de pointe." Phd thesis, Université de Nantes, 2010. http://tel.archives-ouvertes.fr/tel-00559365.
Full textRouille, Gaël. "Contribution à l'étude de la molécule d'oxygène par diffusion Raman et par ionisation multiphotonique augmentée par résonance." Dijon, 1994. http://www.theses.fr/1994DIJOS071.
Full textPORTALES, Hervé. "Etude par diffusion Raman de nanoparticules métalliques en matrice diélectrique amorphe." Phd thesis, Université Claude Bernard - Lyon I, 2001. http://tel.archives-ouvertes.fr/tel-00002169.
Full textDhaouadi, Zoubeida. "Contribution à l'analyse vibrationnelle des bases puriques des acides nucléiques. : Détermination des champs de forces moléculaires et simulations des spectres Raman de résonance et de diffusion inélastique de neutrons." Paris 13, 1993. http://www.theses.fr/1993PA132009.
Full textGehan, Hélène. "Nano-structuration de substrats à points chaud contrôlés : application à la diffusion Raman exaltée de surface." Paris 7, 2010. http://www.theses.fr/2010PA077196.
Full textSince the last decade, the development of coupled nanoparticles (NPs) assemblies has been particularly studied for applications in surface enhanced spectroscopy. In this field, the surface enhanced Raman scattering (SERS is considered as an extremely sensitive tool, allowing the detection of very few amounts of various molecules type (drugs, explosives, biological molecules). It requires very huge electromagnetic field enhancements occurring within the gap between coupled NPs, called hot-spot. However, one of the major difficulties is the non-reproducibility of these hot spots, occurring by generally random NPs aggregates. In this work, we propose to design and to characterize by SERS structured assemblies of coupled gold nanostructures. Two ways are explored: (i) the development of substrates in which coupled gold NPs are self-assembled in an patterned way. This strategy shows that a small amount of coupled NPs is favourable to the detection of few molecules. On the other hand, the case of a great amount of coupled NPs is rather favorable to common analytical studies. Moreover, this method is adaptable to various form of NPs. (ii) The second strategy consist in a plasmonic device made of gold NPs separated from a gold film through a thermoresponsive polymer layer. Studies using electrochemistry and SERS as the function of the temperature show an interaction between the gold film and the NPs. This interaction is dependent on the distance between these two entities which is controlled by conformational changes of the polymer layer in response to temperature variations. A new setup which can make an image of the near field enhanced areas. The main idea is about the adsorbate molecule which is sensible to the near field, although its enhanced Raman scattering detection is done in far field. We can say that the molecule frustrate the near field in order to give an image of this local field
David, Lionel. "Spectroscopie comparée de Raman résonnant et d'excitation des états de surface et de volume d'un cristal organique avec structure feuilletée : expérimentation, théorie." Bordeaux 1, 1988. http://www.theses.fr/1988BOR10611.
Full textSimionovici, Alexandre. "Contributions à l'étude de la diffusion inélastique résonnante des photons sur électrons liés : application à la couche L." Paris 11, 1988. http://www.theses.fr/1988PA112011.
Full textNardou, Éric. "Nanoparticules métalliques en matrices vitreuses pour l'amplification Raman." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00740971.
Full textBook chapters on the topic "Diffusion Raman résonant"
BARDEAU, Jean-francois, Bernard HUMBERT, Angélina D'ORLANDO, and Guy LOUARN. "Spectroscopie vibrationnelle exaltée : Raman résonnant et SERS." In Spectroscopies vibrationnelles, 221–46. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.4202.
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