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2 results on '"Ivanov, A.Yu."'

1. The O-H stretching vibrations of glycine trapped in rare gas matrices and helium clusters.

Author

Huisken, F., Werhahn, O., Ivanov, A.Yu., and Krasnokutski, S.A.

Subjects
GLYCINE, SPECTRUM analysis, CONFORMATIONAL analysis
Abstract

Studies the O-H stretching vibrations of glycine conformers using molecular beam depletion spectroscopy and Fourier transform infrared matrix spectroscopy. Deposition of glycine molecules into large helium clusters; Trapping of the glycine molecules in various rare gas matrices; Gas phase absorption bands.

Published
1999
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2. INFLUENCE OF AN ELECTRIC FIELD ON THE LASER PROCESSING OF METALS.

Author

Ivanov, A.Yu. and Vasil'ev, S. V.

Subjects
ELECTRIC fields, SHOCK waves, FIELD theory (Physics), LASER beams, MECHANICAL shock, SPECTRUM analysis
Abstract

A two-wavelength high-speed holographic cinematography, integral and time-resolved spectroscopy and splite unfolding methods were used in an investigation of a laser plasma initiated at the surfaces of metal samples by laser pulses in the external electric field. The temporal evolution of the electron densities and heavy particle concentrations was determined and a study was made of the nature of motion of shock wave and plasma fronts. A weak dependence of the evolution of the shock wave velocity on the target materials (aluminum, copper, zinc, led, indium) was observed in the average power density range (106 - 107 W/cm²). A faster increase in the dimensions of a refracting plasma region, compared to a luminous region, and strong expulsion of cold air by an erosion plasma were recorded. [ABSTRACT FROM AUTHOR]

Published
2012

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