Bibliografías temáticas / Velocity map imaging (VMI)

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Literatura académica sobre el tema "Velocity map imaging (VMI)"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 17 de febrero de 2022

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Artículos de revistas sobre el tema "Velocity map imaging (VMI)"

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Zhang, Jiangle, Shanjun Chen, Yihuang Jiang, et al. "The photoelectron-imaging spectroscopic study and chemical bonding analysis of VO2−, NbO2− and TaO2−." RSC Advances 10, no. 68 (2020): 41612–17. http://dx.doi.org/10.1039/d0ra07583c.

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The transition-metal di-oxides, namely VO<sub>2</sub><sup>−</sup>, NbO<sub>2</sub><sup>−</sup> and TaO<sub>2</sub><sup>−</sup> have been studied using photoelectron velocity map imaging (PE-VMI) in combination with theoretical calculations.
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Waters, Max D. J., Anders B. Skov, Martin A. B. Larsen, Christian M. Clausen, Peter M. Weber, and Theis I. Sølling. "Symmetry controlled excited state dynamics." Physical Chemistry Chemical Physics 21, no. 5 (2019): 2283–94. http://dx.doi.org/10.1039/c8cp05950k.

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Symmetry effects in internal conversion are studied by means of two isomeric cyclic tertiary aliphatic amines in a velocity map imaging (VMI) experiment on the femtosecond timescale. We conclude that lessening the symmetry of the molecule leads to loss of coherence after internal conversion between Rydberg states.
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Xu, Ya-Wei, Li Shen, and Chang-Jian Dai. "The study of Eu 4f76p6d autoionizing states with RIS and VMI techniques." Modern Physics Letters B 32, no. 17 (2018): 1850190. http://dx.doi.org/10.1142/s0217984918501907.

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The spectra and dynamic properties of Eu [Formula: see text] autoionizing states are studied systematically with the resonance-ionization spectroscopy (RIS) and the velocity-map imaging (VMI) techniques. The RIS technique is utilized to obtain the spectra of Eu [Formula: see text] autoionizing states with the three-step excitation, while the VMI technique is used to detect the dynamic process of autoionization, from which the branching ratio (BR) of ions and the angular distribution (AD) of ejected electrons from Eu [Formula: see text] autoionizing states are achieved. Not only the energy leve
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Makhov, Dmitry V., Todd J. Martinez, and Dmitrii V. Shalashilin. "Toward fully quantum modelling of ultrafast photodissociation imaging experiments. Treating tunnelling in the ab initio multiple cloning approach." Faraday Discussions 194 (2016): 81–94. http://dx.doi.org/10.1039/c6fd00073h.

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We present an account of our recent effort to improve simulation of the photodissociation of small heteroaromatic molecules using the Ab Initio Multiple Cloning (AIMC) algorithm. The ultimate goal is to create a quantitative and converged technique for fully quantum simulations which treats both electrons and nuclei on a fully quantum level. We calculate and analyse the total kinetic energy release (TKER) spectra and Velocity Map Images (VMI), and compare the results directly with experimental measurements. In this work, we perform new extensive calculations using an improved AIMC algorithm th
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Leskiw, Brian D., Myung Hwa Kim, Gregory E. Hall, and Arthur G. Suits. "Reflectron velocity map ion imaging." Review of Scientific Instruments 76, no. 10 (2005): 104101. http://dx.doi.org/10.1063/1.2075167.

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Kim, Myung Hwa, Brian D. Leskiw, Lei Shen, and Arthur G. Suits. "Velocity map imaging mass spectrometry." International Journal of Mass Spectrometry 252, no. 1 (2006): 73–78. http://dx.doi.org/10.1016/j.ijms.2006.01.030.

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Wester, Roland. "Velocity map imaging of ion–molecule reactions." Phys. Chem. Chem. Phys. 16, no. 2 (2014): 396–405. http://dx.doi.org/10.1039/c3cp53405g.

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Horke, Daniel A., Gareth M. Roberts, Julien Lecointre, and Jan R. R. Verlet. "Velocity-map imaging at low extraction fields." Review of Scientific Instruments 83, no. 6 (2012): 063101. http://dx.doi.org/10.1063/1.4724311.

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Vallance, Claire. "‘Molecular photography’: velocity–map imaging of chemical events." Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences 362, no. 1825 (2004): 2591–609. http://dx.doi.org/10.1098/rsta.2004.1460.

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Roeterdink, W. G., and M. H. M. Janssen. "Velocity map imaging of femtosecond photodynamics in CF3I." Chemical Physics Letters 345, no. 1-2 (2001): 72–80. http://dx.doi.org/10.1016/s0009-2614(01)00865-x.

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Tesis sobre el tema "Velocity map imaging (VMI)"

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Lietard, Aude. "Dynamique ultrarapide de molécules et d’agrégats excités électroniquement." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112212/document.

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Cette thèse présente la dynamique ultrarapide de relaxation de molécules photochromes et des agrégats d'argon en phase gazeuse à l'échelle femtoseconde. Des expériences utilisant la technique « pompe-sonde » ont été menées sur un dispositif utilisant un faisceau moléculaire pulsé couplé à de l'imagerie de vitesse de photoélectron/photoion (VMI) et un spectromètre de masse à temps de vol (TOF-MS). Ces études nous ont permis de caractériser les changements de distribution électronique des différents systèmes en fonction du temps. Par ailleurs une étude théorie/expérience sur la caractérisation d
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Sens, Nicolas. "Développement d'une méthode de type "velocity map imaging" pour la mesure de sections efficaces d’émission d'électrons par des molécules d'intérêt biologique en collision avec des ions." Thesis, Normandie, 2020. http://www.theses.fr/2020NORMC213.

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Ces dernières décennies, l'étude des collisions entre des ions et des molécules d'intérêt biologique a reçu un intérêt croissant en raison des applications en radiobiologie. L'objet de cette thèse est le développement d'un dispositif expérimental en faisceaux croisés spécialement dédié à la mesure de sections efficaces absolues totales, simplement et doublement différentielles (en énergie et/ou en angle) d’émission d’électrons par des molécules d’intérêt biologique. Les électrons émis dans un angle solide de 4π stéradians, suite à la collision entre l’ion projectile et la molécule cible, sont
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3

Röder, Anja. "Excited-State Dynamics in Open-Shell Molecules." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS099/document.

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Dans cette thèse, la dynamique des états excités des radicaux et biradicaux a été examinée en utilisant la spectroscopie pompe-sonde résolu en temps à l'échelle femto-seconde. Les molécules à couche ouverte jouent un rôle primordial comme intermédiaires dans les processus de combustions, dans la formation de la suie et des hydrocarbures aromatiques polycycliques, dans la chimie atmosphérique ou dans la formation des molécules organiques complexes dans le milieu interstellaire et dans les nuages galactiques. Dans tous ces processus les molécules sont souvent excitées, soit par échauffement ther
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Gardiner, Sara Heather. "Photofragment velocity-map imaging of organic molecules." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:2af637e3-7984-40c9-be35-cffe3eaa31e6.

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Photofragment velocity-map imaging (VMI) has generally been employed to investigate the photodissociation dynamics of relatively small molecular systems (< 5 atoms). The work reported in this thesis focuses on the application of this technique for the investigation of the unimolecular photodissociation of larger chemical systems, which are of interest to a broad cross section of the chemical community. Typically, VMI studies involve state-selective detection of one particular fragmentation product, and so are often limited to the investigation of a single dissociation channel. By employing vac
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Reid, Mike. "Velocity map imaging : from gases to surfaces." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/velocity-map-imaging-from-gases-to-surfaces(b6ea41a0-53bc-4420-8230-782cc761c9f1).html.

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A standard velocity map imaging (VMI) spectrometer makes use of three electrodes and produces VMI focussing conditions over a region of space only one to two mm in diameter. This is more than acceptable for a standard gas phase photodissociation (the archetypal VMI experiment) since all of the products are produced and ionised within the region defined by the intersection of a laser beam with a molecular beam, typically one mm or so wide. However, the great benefit of VMI (its excellent velocity resolution) cannot reliably be obtained in other reaction dynamics studies, such as those involving
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Rose, Rebecca A. "Velocity Map Imaging of Photodissociation and Reaction Dynamics." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520227.

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Zaouris, Dimitrious K. "Velocity map imaging and other spectrometric studies of molecules and clusters." Thesis, University of Bristol, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627942.

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The growing interest in the study of gas phase photodissociation dynamics has led to the development of experimental techniques to aid in the understanding of these processes in small (diatomic or triatomic molecules) and in larger systems. In addition, deposition of molecules on large clusters provides information of the clustering dynamics, which can shed light on the processes taking place in the condensed phase. The experiments described in this thesis use nanosecond and femtosecond velocity map imaging to explore the photo dissociation dynamics of a variety of systems on different timesca
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Chatterley, Adam S. "Probing nonadiabatic dynamics in isolated molecules with ultrafast velocity map imaging." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/61766/.

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Two complementary experiments were used to study the ultrafast dynamics of large molecules in the gas phase. Both experiments used time-resolved pump-probe velocity map imaging to monitor energetically dispersed spectra of isolated systems on a femtosecond timescale. A ‘bottom-up’ methodology is applied, whereby initially simple, small, systems are studied in a high level of detail, and then the complexity of system studied is gradually increased. The overall goal was to explore the concept of photostability, the mechanism whereby molecules can withstand bombardment by visible and ultraviolet
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Dixon, Andrew, and Andrew Dixon. "Study of Organic Radicals through Anion Photoelectron Velocity-Map Imaging Spectroscopy." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621577.

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Molecular and cluster anions have been investigated using photoelectron velocity-map imaging spectroscopy to study the nature of electrons in radical species. We report a negative-ion photoelectron imaging study of benzonitrile and several of its hydrated, oxygenated, and homo-molecularly solvated cluster anions. The photodetachment transition from the unsolvated benzonitrile anion to the X̃¹A₁ state of the neutral peaks at 58 ± 5 meV. The electron affinity (EA) of the lowest excited electronic state of benzonitrile, ã³A₁, is determined as 3.41 ± 0.01 eV. The next excited state, the open-shell
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Pandit, Shubhrangshu. "Velocity map imaging studies of competing dynamics in the gas phase." Thesis, University of Bristol, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.715743.

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Capítulos de libros sobre el tema "Velocity map imaging (VMI)"

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Slater, Craig S. "Three-Dimensional Velocity-Map Imaging." In Studies of Photoinduced Molecular Dynamics Using a Fast Imaging Sensor. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24517-1_3.

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Parker, D. H., B. L. G. Bakker, R. Delmdahl, T. Berg, and A. T. J. B. Eppink. "Velocity Map Imaging: Technique and Applications to O2Photodissociation." In ACS Symposium Series. American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2001-0770.ch004.

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Ahmed, Musahid, Darcy S. Peterka, and Arthur G. Suits. "New Directions in Reaction Dynamics Using Velocity Map Imaging." In ACS Symposium Series. American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2001-0770.ch011.

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Ahmed, M., D. S. Peterka, and A. G. Suits. "Photodissociation of NO2 near 225 nm by Velocity Map Imaging." In Atomic and Molecular Beams. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56800-8_24.

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de Nalda, Rebeca, Luis Rubio-Lago, Vincent Loriot, and Luis Bañares. "Femtosecond Photodissociation Dynamics by Velocity Map Imaging. The Methyl Iodide Case." In Springer Series in Chemical Physics. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-02051-8_4.

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Ye, Hong, Jens S. Kienitz, Shaobo Fang, et al. "Velocity Map Imaging of Electrons Strong-Field Photoemitted from Si-Nanotip Arrays." In Springer Proceedings in Physics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13242-6_163.

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Parker, David H., and André T. J. B. Eppink. "Velocity map imaging: applications in molecular dynamics and experimental aspects." In Imaging in Molecular Dynamics. Cambridge University Press, 2003. http://dx.doi.org/10.1017/cbo9780511535437.003.

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Actas de conferencias sobre el tema "Velocity map imaging (VMI)"

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Ye, Hong, Sebastian H. Trippel, Michele Di Fraia, et al. "Velocity Map Imaging for Photocathode Characterization." In CLEO: Science and Innovations. OSA, 2017. http://dx.doi.org/10.1364/cleo_si.2017.sf1k.7.

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Theis, Mallory, Michael Heaven, Kyle Mascaritolo, and Amanda Dermer. "PHOTOELECTRON VELOCITY MAP IMAGING SPECTROSCOPY OF BeS−." In 72nd International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2017. http://dx.doi.org/10.15278/isms.2017.mi11.

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Merrill, W., Fleming Crim, Robert McMahon, Benjamin Haenni, and Amanda Case. "CHARACTERIZATION OF CHBrCl2 PHOTOLYSIS BY VELOCITY MAP IMAGING." In 70th International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2015. http://dx.doi.org/10.15278/isms.2015.ti12.

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Laws, Benjamin, Stephen Gibson, Brenton Lewis, and Steven Cavanagh. "NOO PEROXY ISOMER EXPOSED WITH VELOCITY-MAP IMAGING." In 71st International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2016. http://dx.doi.org/10.15278/isms.2016.rf10.

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ROETERDINK, W. G., and M. H. M. JANSSEN. "FEMTOSECOND PUMP-PROBE PHOTO-ION VELOCITY MAP IMAGING." In With Foreword by Prof A H Zewail, Nobel Laureate in Chemistry, 1999. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777980_0057.

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Toulson, Benjamin, Craig Murray, and Jonathan Alaniz. "VELOCITY MAP IMAGING STUDIES OF NON-CONVENTIONAL METHANETHIOL PHOTOCHEMISTRY." In 69th International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2014. http://dx.doi.org/10.15278/isms.2014.tc09.

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Patel, Ekta, Rajesh K. Kushawaha, Hardik Mewada, and Umang Soni. "Developing a multi-plates velocity map imaging spectrometer for 3D velocity vector imaging of electrons and ions." In 2017 Nirma University International Conference on Engineering (NUiCONE). IEEE, 2017. http://dx.doi.org/10.1109/nuicone.2017.8325619.

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Weichman, Marissa, Daniel Neumark, Jessalyn DeVine, and Jongjin Kim. "SLOW PHOTOELECTRON VELOCITY-MAP IMAGING (SEVI) SPECTROSCOPY OF CRYO-COOLED ANIONS." In 73rd International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2018. http://dx.doi.org/10.15278/isms.2018.fc04.

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Blanchet, Valérie. "Femtosecond resolved dynamics in small polyatomic molecules by velocity map imaging." In 28TH INTERNATIONAL SYMPOSIUM ON RAREFIED GAS DYNAMICS 2012. AIP, 2012. http://dx.doi.org/10.1063/1.4769698.

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Ye, Hong, Jens S. Kienitz, Shaobo Fang, et al. "Velocity Map Imaging of Electrons Strong-Field Photoemitted from Si-Nanotip Arrays." In International Conference on Ultrafast Phenomena. OSA, 2014. http://dx.doi.org/10.1364/up.2014.09.wed.p3.37.

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