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The influence of a waveguiding structure on the excitonic luminescence of anatase thin films

Autor: Jaan Aarik, Ilmo Sildos, Valter Kiisk, O. Sild

Publikováno v: Optical Materials. 27:115-118

Spectral and spatial properties of the excitonic luminescence of TiO2 (anatase) waveguide layers grown by the atomic layer deposition on dielectric and metal substrates were investigated at low temperatures. Significant changes in self-trapped-excito

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e18ec7c4eef7c1dae8af32d8d08ff218
https://doi.org/10.1016/j.optmat.2004.02.014

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Akademický článek

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On the theory of ultranarrow pure-electronic zero-phonon lines

Autor: O. Sild, K. K. Rebane

Publikováno v: Optics and Spectroscopy. 90:686-690

A pure-electronic zero-phonon line, which represents an optical analog of the Mossbauer γ-resonance line, is a cornerstone of three remarkable areas of spectroscopy and optics of impurity solids, namely, ultrahigh-resolution spectroscopy, persistent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f385c4b4d7f7c38f7a07e74404b0c40c
https://doi.org/10.1134/1.1374656

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Dynamic dipole moment of a molecule in a strong light field

Autor: O. Sild

Publikováno v: Optics Communications. 102:36-42

The dynamic dipole moment induced by a strong light field in a linear molecule is calculated. The resonance of the field with the electronic Σ → Σ transition is supposed. It is shown that to induce the stabilized moment a slowly-turned-on mode is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad1952dd0a81b6125b6213d89428be0b
https://doi.org/10.1016/0030-4018(93)90468-k

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The Model of Rotation of the NO2− Impurity Molecule in KCl Crystal

Autor: O. Sild

Publikováno v: physica status solidi (b). 161:105-111

As a result of an analysis of the data on Raman scattering and polarized luminescence of the NO impurity molecule in KCl crystal, the model of one-dimensional rotation of the NO molecule around the crystal axis of three-fold symmetry is verified. [Ru

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::334a7d29d6c76a3387adfe81c6415a8c
https://doi.org/10.1002/pssb.2221610109

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Spectral-spatial redistribution of self-trapped excitonic emission in thin anatase films

Autor: O. Sild, Jaan Aarik, Valter Kiisk, Ilmo Sildos

Publikováno v: SPIE Proceedings.

Far-field intensity distribution of self-trapped exciton (STE) photoluminescence (PL) of TiO 2 (anatase) thin films grown on SiO 2 and MgO substrates was studied at temperature of 5 K. The spectrum recorded from a cleaved edge of the substrate in the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fe0d1b4334fee68ca76ac808b0557a0
https://doi.org/10.1117/12.531224

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Influence of the nanocrystalline surrounding on impurity optical spectra in mullite glass-ceramics and model system predictions

Autor: O. Sild, J. Männik, Ilmo Sildos

Publikováno v: Journal of Luminescence. :364-365

Numerical calculations of the inhomogeous distribution of electronic transition energies and a vibronic sideband of impurities substituted into a nanocrystal have been carried out. The investigation of the electronic levels of the impurities shows th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c5597154ed41185863877c21d6cd3485
https://doi.org/10.1016/s0022-2313(96)00304-3

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