Results 241 to 250 of about 69,417 (298)

A di-nuclear μ-oxido rhenium(VI) complex: from deep purple to catalytic applications.

Dalton Trans
Doliner TA, Hartmann PE, Oberwinkler G, Belaj F, Dupé A, Boese AD, Schachner JA.   +6 more
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Optical Absorption of the M Centers in Potassium Chloride Crystals

Optical Absorption of the M Centers in Potassium Chloride Crystals
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Nature of the luminescence centers in ionic crystals

Czechoslovak Journal of Physics, 1970
The main attention is paid to the following questions: 1. The possible models of the luminescence centers in activated alkali halide crystals, 2. the experimental evidence of the presence of various types of the luminescence centers, 3. the nature of the excitations of the simplest luminescence centers in alkali halides activated by mercury-like ions ...
Ch. Lushchik, R. Gindina, S. Zazubovich, N. Lushchik   +3 more
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One-center trapping of the holes in alkali halide crystals

Physical Review B, 1996
The geometric and electronic structures and electron excitation energies for the one-center hole polaron state and several possible intermediate states corresponding to the hole relaxation in KI are calculated using the static embedded molecular cluster method.
, Shluger, , Gale
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The radiation induced color centers of the LaBr3:Ce crystal

Radiation Measurements, 2014
Abstract This paper presents study of the gamma-rays induced radiation damage in the LaBr 3 :Ce crystal. The light output and transmittance are measured before and after γ-rays irradiations with an integrated dose up to 10 6  rad for two LaBr 3 :Ce samples.
Zhengguo Li, Hanbo Bao, Yanguo Ding, Hongsheng Shi, Laishun Qin, Kangyin Shu   +5 more
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The X9 catastrophe as the organizing center of crystal rainbows

Physics Letters A, 1993
Abstract The crystal rainbow effect is modeled by the catastrophe theory. It is shown that the 4X9 catastrophe can be treated as the organizing center of the crystal rainbows in the cases of square, rectangular, centered rectangular and hexagonal very thin crystals with one atomic string per primitive cell.
Nešković, Nebojša B., Kapetanović, G., Petrović, Srđan M., Perović, B.   +3 more
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The nature of luminescence centers in NaI:Eu single crystals

Journal of Luminescence, 2015
Abstract The nature of luminescence centers in NaI:Eu scintillation crystals was studied in a wide excitation energy and temperature ranges. Radio- and photoluminescence spectra and TSL curves were measured for crystals with varied activator concentrations.
Shiran, N., Gektin, A., Boiaryntseva, Ia., Vasyukov, S., Gridin, S., Belsky, A.   +5 more
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Exited states of the luminescence centers in tungstate crystals

Journal of Luminescence, 2008
Abstract The electronic structures of luminescence centers in ZnWO 4 , ZnWO 4 :Mo, and ZnWO 4 :Cd crystals are calculated by the configuration interaction method using embedded cluster approach. Dependencies of energies of the ground and excited electronic states of the centers on vibration coordinates are computed.
Nikolaenko, T. N., Hizhnyi, Yu. A., Nedilko, S. G.   +2 more
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Interaction of Pr3+ optical centers in the Y2SiO5 crystal

Low Temperature Physics, 2002
It is shown on the basis of studies of the optical spectra and luminescence decay of nonequivalent Pr3+ optical centers in the Y2SiO5 crystal that the occupation of the nonequivalent cation sites of the crystal lattice by the activator ions is irregular.
Yu. V. Malyukin, P. N. Zhmurin, A. N. Lebedenko, M. A. Sholkina, B. V. Grinev, N. V. Znamenskiı̆, É. A. Manykin, Yu. V. Orlov, E. A. Petrenko, T. G. Yukina   +9 more
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