个人简介

Habilitation,1999, University of Gottingen Ph.D., 1985, St Petersburg State University M.Sc., 1981, St Petersburg State University

研究领域

Physical Chemistry

The study of molecules and molecular aggregates in helium droplets is one of the most active and dynamically developing fields of modern physical chemistry. Helium is a superfluid below 2.17 K, displaying a number of unique and often counterintuitive properties such as vanishingly small viscosity and second sound. Our previous laser spectroscopic experiments have revealed that single molecules captured by He droplets possess extremely narrow spectral lines compared with other molecular beam experiments, indicating droplets are an ideal matrix for spectroscopic interrogation of large molecules and clusters. Embedded molecules rotate freely in the droplets providing a precise probe of their temperature (T = 0.38 K in 4He) and a probe of superfluidity on an atomic scale.

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Gomez, L. F., Ferguson, K. R., Cryan, J. P., Bacellar, C., Tanyag, R. M. P., Jones, C., Schorb, S., Anielski, D., Belkacem, A., Bernando, C., Boll, R., Bozek, J., Carron, S., Chen, G., Delmas, T., Englert, L., Epp, S. W., Erk, B., Foucar, L., Hartmann, R., Hexemer, A., Huth, M., Kwok, J., Leone, S. R., Ma, J. H. S., Maia, F. R. N. C., Malmerberg, E., Marchesini, S., Neumark, D. M., Poon, B., Prell, J., Rolles, D., Rudek, B., Rudenko, A., Seifrid, M., Siefermann, K. R., Sturm, F. P., Swiggers, M., Ullrich, J., Weise, F., Zwart, P., Bostedt, C., Gessner, O., and Vilesov, A. F. Shapes and vorticities of superfluid helium nanodroplets. Science 345, 906-9 (2014). http://dx.doi.org/10.1126/science.1252395 Gomez, L. F., Loginov, E., and Vilesov, A. F. Traces of Vortices in Superfluid Helium Droplets. Physical Review Letters 108, 155302-1-5 (2012). http://dx.doi.org/10.1103/Physrevlett.108.155302 Loginov, E., Gomez, L. F., Chiang, N., Halder, A., Guggemos, N., Kresin, V. V., and Vilesov, A. F. Photoabsorption of AgN(N = 6-6000) Nanoclusters Formed in Helium Droplets: Transition from Compact to Multicenter Aggregation. Physical Review Letters 106, 233401-1-4 (2011). http://dx.doi.org/10.1103/PhysRevLett.106.233401 Gomez, L. F., Loginov, E., Sliter, R., and Vilesov, A. F. Sizes of large He droplets. Journal of Chemical Physics 135, 154201-1-9 (2011). http://dx.doi.org/10.1063/1.3650235 Flynn, S. D., Skvortsov, D., Morrison, A. M., Liang, T., Choi, M. Y., Douberly, G. E., and Vilesov, A. F. Infrared Spectra of HCl-H2O Clusters in Helium Nanodroplets. Journal of Physical Chemistry Letters 1, 2233-2238 (2010). http://dx.doi.org/10.1021/jz100637m Skvortsov, D. S. and Vilesov, A. F. Using He droplets for measurements of interconversion enthalpy of conformers in 2-chloroethanol. Letter - Journal of Chemical Physics 130, 151101-1-4 (2009). http://dx.doi.org/10.1063/1.3111969 Kuyanov-Prozument, K. and Vilesov, A. F. Hydrogen Clusters that Remain Fluid at Low Temperature. Physical Review Letters 101, 205301-1-4 (2008). http://dx.doi.org/10.1103/PhysRevLett.101.205301 Slipchenko, M. N., Kuyanov, K. E., Sartakov, B. G., and Vilesov, A. F. Infrared intensity in small ammonia and water clusters. Let J Chem Phys 124, 241101-1-4 (2006). http://dx.doi.org/10.1063/1.2216712 Toennies, J. P. and Vilesov, A. F. Superfluid helium droplets: A uniquely cold nanomatrix for molecules and molecular complexes. Angewandte Chemie-International Edition 43, 2622-2648 (2004). http://dx.doi.org/10.1002/anie.200300611 Grebenev, S., Toennies, J. P., and Vilesov, A. F. Superfluidity within a small helium-4 cluster: The microscopic Andronikashvili experiment. Science 279, 2083-2086 (1998). http://dx.doi.org/10.1126/science.279.5359.2083 Hartmann, M., Miller, R. E., Toennies, J. P., and Vilesov, A. Rotationally Resolved Spectroscopy of SF6 in Liquid-Helium Clusters - a Molecular Probe of Cluster Temperature. Physical Review Letters 75, 1566-1569 (1995). http://dx.doi.org/10.1103/PhysRevLett.75.1566