Перегляд Відділення фізики і астрономії за темою "Low Temperature Spectroscopy and Radiation Effects"

Результати 1-20 з 20

Dynamics of the defect-mediated desorption of alkali halide surfaces

Szymonski, M.; Droba, A.; Struski, P.; Krok, F. (Физика низких температур, 2012)

Dynamic processes leading to desorption of Rb and I atoms from the RbI (100) surface co-irradiated with 1 keV electrons and visible light (with a wavelength corresponding to the F-center absorption band) have been studied ...
Dynamics of thermoluminescence spectra of impurity– helium condensates containing stabilized nitrogen and oxygen atoms

Khmelenko, V.V.; Krushinskaya, I.N.; Boltnev, R.E.; Bykhalo, I.B.; Pelmenev, A.A.; Lee, D.M. (Физика низких температур, 2012)

The results of investigations of thermoluminescence dynamics during destruction of neon–helium and krypton–helium condensates containing stabilized nitrogen and oxygen atoms are presented. Spectra of the thermoluminescence of ...
Electronic spectroscopy, stimulated emission and persistent spectral hole-burning of cryogenic nitrogen matrices doped with tetrabenzoporphin

Arabei, S.M.; Galaup, J.-P.; McCaffrey, J.G.; Shafizadeh, N.; Crépin, C. (Физика низких температур, 2012)

This paper deal with our on-going work on the electronic spectroscopy of tetrapyrrole molecules embedded in cryogenic hosts. Under nanosecond laser excitation of the free-base tetrabenzoporphin molecules in a nitrogen matrix ...
Impurity and vacancy effects in graphene

Loktev, V.M.; Pogorelov, Yu.G. (Физика низких температур, 2012)

A Green function analysis has been developed for quasiparticle spectrum of a 2D graphene sheet in presence of different types of substitutional disorder, including vacancies. The anomalous character of impurity effects ...
Inner valence excitations of condensed neon

Kassühlke, B.; Feulner, P. (Физика низких температур, 2012)

Applying two-dimensional electron spectroscopy, we investigate bound and continuum excitations of neon films condensed onto clean metal surfaces, in the energy range of the [Ne 2s] singly and [Ne 2p² ] doubly excited states. ...
Librational motion of CO in solid Ar: Raman and IR spectra and quantum simulations

Lindgren, J.; Olbert-Majkut, A.; Pettersson, M.; Kiljunen, T. (Физика низких температур, 2012)

Rovibrational Raman spectra of CO molecules isolated in solid Ar were measured for the 9–30 K temperature range and compared to past and present IR spectra. The fundamental band appears as a triplet-split structure, where ...
Low-temperature phosphorescence of dicyanoacetylene in rare gas solids

Turowski, M.; Crépin, C.; Couturier-Tamburelli, I.; Piétri, N.; Kołos, R. (Физика низких температур, 2012)

A strong visible ã³Σu⁺ – X̃¹Σg⁺ luminescence was observed upon the UV excitation of cryogenic rare gas (argon, krypton, and xenon) matrices doped with dicyanoacetylene (NC₄N). Spectra and lifetimes of this phosphorescence ...
Low Temperature Spectroscopy and Radiation Effects. To the anniversary of E.V. Savchenko

Arakawa, I.; Räsänen, M. (Физика низких температур, 2012)
Metal atom (Zn, Cd and Mg) luminescence in solid neon

Healy, B.; Kerins, P.; McCaffrey, J. G. (Физика низких температур, 2012)

Luminescence spectroscopy of the metal atoms Mg, Zn and Cd isolated in solid neon is recorded using pulsed synchrotron radiation excitation of the ns¹ np¹ ¹P₁–ns² ¹S₀ resonance (n = 3, 4 and 5 respectively) transitions. Two ...
Optical spectroscopy and microscopy of radiationinduced light-emitting point defects in lithium fluoride crystals and films

Montereali, R.M.; Bonfigli, F.; Menchini, F.; Vincenti, M.A. (Физика низких температур, 2012)

Broad-band light-emitting radiation-induced F₂ and F₃⁺ electronic point defects, stable and laser-active at room temperature in lithium fluoride crystals and films, find applications in dosimeters, tuneable color-center ...
Orientational glassification in fullerite C₆₀ saturated with H₂: photoluminescence studies

Zinoviev, P.V.; Zoryansky, V.N.; Silaeva, N.B.; Stetsenko, Yu.E.; Strzhemechny, M.A.; Yagotintsev, K.A. (Физика низких температур, 2012)

Using one-photon excitation we studied photoluminescence of C₆₀ saturated with molecular hydrogen over a temperature range 10 to 230 K. Saturation of samples was done at a pressure of 30 atm and at temperatures low enough ...
Oscillatory regularity of charge carrier traps energy spectra in silicon organic polymer poly(di-n-hexylsilane)

Gumenjuk, A.; Ostapenko, N.; Ostapenko, Yu.; Kerita, O.; Suto, S.; Watanabe, A. (Физика низких температур, 2012)

Charge carrier traps energy spectra have been investigated in silicon organic polymer poly(di-n-hexylsilane) by fractional thermally stimulated luminescence in the temperature range from 5 to 200 K. The energy spectrum of ...
Phase transitions in thermally annealed films of Alq₃

Baldacchini, G.; Chiacchiaretta, P.; Pode, R.B.; Vincenti, M.A.; Wang, Q.-M. (Физика низких температур, 2012)

Organic light emitting devices have been so very much improved lately that they are being widely applied for displays and lighting. Among many improving technologies, annealing processes in different atmospheres affect greatly ...
Photodissociation and photochemistry of V⁺ (H₂O)n, n = 1–4, in the 360–680 nm region

Scharfschwerdt, B.; van der Linde, C.; Balaj, O.P.; Herber, I.; Schütze, D.; Beyer, M.K. (Физика низких температур, 2012)

The photodissociation and photochemistry of V⁺ (H₂O)n, n = 1–4, was studied in the 360–680 nm region in a Fourier transform ion cyclotron resonance mass spectrometer. The light of a high pressure mercury arc lamp was filtered ...
Photo-stimulated desorption from water and methane clusters on the surface of solid neon

Arakawa, I.; Matsumoto, D.; Takekuma, S.; Tamura, R.; Miura, T. (Физика низких температур, 2012)

Photo-stimulated desorption of ions from methane and water heterocluster on the surface of solid neon was studied. The desorption yields of the variety of photo-desorbed species showed strong dependence on the composition ...
Radiolysis of astrophysical ices by heavy ion irradiation: destruction cross section measurement

de Barros, A.L.F.; Boduch, P.; Domaracka, A.; Rothard, H.; da Silveira, E.F. (Физика низких температур, 2012)

Many solar system objects, such as planets and their satellites, dust grains in rings, and comets, are known to either be made of ices or to have icy surfaces. These ices are exposed to ionizing radiation including keV, ...
Role of surface structure in photoelectron emission from solid Ne: impurities, defect and low-coordinated sites

Dmitriev, Yu.A. (Физика низких температур, 2012)

Electron emission was obtained from a solid Ne sample growing from the gas phase on a low temperature substrate. The surface of the sample was irradiated by the light of an open-source microwave discharge running in the ...
Temperature effect of metastable atom desorption from solid Ne by low-energy electron impact

Kato, H.; Tachibana, T.; Hirayama, T. (Физика низких температур, 2012)

We study the desorption of metastable atoms induced by electronic transitions in solid Ne by low energy electron impact. Time-of-flight spectra and the angular distribution of metastable atoms desorbed from the surface ...
The radiation-induced chemistry in solid xenon matrices

Feldman, V.I.; Kobzarenko, A.V.; Orlov, A.Y.; Sukhov, F.F. (Физика низких температур, 2012)

The paper presents an overview of recent studies on the radiation-chemical transformations of guest molecules in solid xenon induced by fast electrons and x-ray irradiation. Specific features of the experimental approach based ...
Transient HDO rovibrational satellite peaks in solid parahydrogen: evidence of hydrogen atoms or vacancies?

Wonderly, W.R.; Anderson, D.T. (Физика низких температур, 2012)

We present FTIR studies of the 193 nm photolysis of fully deuterated formic acid (DCOOD) isolated in solid parahydrogen at 1.9 K which show evidence of transient HDO rovibrational satellite peaks. The S1 and S2 satellite ...

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Перегляд Відділення фізики і астрономії за темою "Low Temperature Spectroscopy and Radiation Effects"

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Перегляд Відділення фізики і астрономії за темою "Low Temperature Spectroscopy and Radiation Effects"

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