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Time-resolved luminescence spectroscopy study of CsI:Eu crystal
This paper studies the spectral-kinetic properties of CsI:0.8·10⁻⁴ % Eu, CsI:1·10⁻² % Eu and CsI:3.9·10⁻¹ % Eu crystals. It has been found that spectrum and decay kinetics of photoluminescence depend on concentration of an activator and degree of thermal-dynamic disbalance of CsI:Eu. The emission of...
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НТК «Інститут монокристалів» НАН України
2013
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| Series: | Functional Materials |
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| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/120109 |
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irk-123456789-1201092017-06-12T03:02:58Z Time-resolved luminescence spectroscopy study of CsI:Eu crystal Yakovlev, V. Trefilova, L. Karnaukhova, A. Ovcharenko, N. Kisilc, E. Characterization and properties This paper studies the spectral-kinetic properties of CsI:0.8·10⁻⁴ % Eu, CsI:1·10⁻² % Eu and CsI:3.9·10⁻¹ % Eu crystals. It has been found that spectrum and decay kinetics of photoluminescence depend on concentration of an activator and degree of thermal-dynamic disbalance of CsI:Eu. The emission of all the crystals decays exponentially, but each crystal differs from each other in temperature behavior of the emission decay kinetics. Possible types of the emission centers have been suggested such as single dipole Eu²⁺–vc, two- and three-dipole clusters of Eu²⁺–vc– which are responsible for the bands with maxima at 2.69, 2.78 and 2.67 eV, respectively. Criterion for discrimination of the emission centers in CsI:Eu is the temperature behavior of their emission decay kinetics. 2013 Article Time-resolved luminescence spectroscopy study of CsI:Eu crystal / V. Yakovlev, L. Trefilova, A. Karnaukhova, N. Ovcharenko, E. Kisilc // Functional Materials. — 2013. — Т. 20, № 4. — С. 451-456. — Бібліогр.: 12 назв. — англ. 1027-5495 DOI: dx.doi.org/10.15407/fm20.04.451 http://dspace.nbuv.gov.ua/handle/123456789/120109 en Functional Materials НТК «Інститут монокристалів» НАН України |
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English |
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Characterization and properties Characterization and properties |
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Characterization and properties Characterization and properties Yakovlev, V. Trefilova, L. Karnaukhova, A. Ovcharenko, N. Kisilc, E. Time-resolved luminescence spectroscopy study of CsI:Eu crystal Functional Materials |
| description |
This paper studies the spectral-kinetic properties of CsI:0.8·10⁻⁴ % Eu, CsI:1·10⁻² % Eu and CsI:3.9·10⁻¹ % Eu crystals. It has been found that spectrum and decay kinetics of photoluminescence depend on concentration of an activator and degree of thermal-dynamic disbalance of CsI:Eu. The emission of all the crystals decays exponentially, but each crystal differs from each other in temperature behavior of the emission decay kinetics. Possible types of the emission centers have been suggested such as single dipole Eu²⁺–vc, two- and three-dipole clusters of Eu²⁺–vc– which are responsible for the bands with maxima at 2.69, 2.78 and 2.67 eV, respectively. Criterion for discrimination of the emission centers in CsI:Eu is the temperature behavior of their emission decay kinetics. |
| format |
Article |
| author |
Yakovlev, V. Trefilova, L. Karnaukhova, A. Ovcharenko, N. Kisilc, E. |
| author_facet |
Yakovlev, V. Trefilova, L. Karnaukhova, A. Ovcharenko, N. Kisilc, E. |
| author_sort |
Yakovlev, V. |
| title |
Time-resolved luminescence spectroscopy study of CsI:Eu crystal |
| title_short |
Time-resolved luminescence spectroscopy study of CsI:Eu crystal |
| title_full |
Time-resolved luminescence spectroscopy study of CsI:Eu crystal |
| title_fullStr |
Time-resolved luminescence spectroscopy study of CsI:Eu crystal |
| title_full_unstemmed |
Time-resolved luminescence spectroscopy study of CsI:Eu crystal |
| title_sort |
time-resolved luminescence spectroscopy study of csi:eu crystal |
| publisher |
НТК «Інститут монокристалів» НАН України |
| publishDate |
2013 |
| topic_facet |
Characterization and properties |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/120109 |
| citation_txt |
Time-resolved luminescence spectroscopy study of CsI:Eu crystal / V. Yakovlev, L. Trefilova, A. Karnaukhova, N. Ovcharenko, E. Kisilc // Functional Materials. — 2013. — Т. 20, № 4. — С. 451-456. — Бібліогр.: 12 назв. — англ. |
| series |
Functional Materials |
| work_keys_str_mv |
AT yakovlevv timeresolvedluminescencespectroscopystudyofcsieucrystal AT trefiloval timeresolvedluminescencespectroscopystudyofcsieucrystal AT karnaukhovaa timeresolvedluminescencespectroscopystudyofcsieucrystal AT ovcharenkon timeresolvedluminescencespectroscopystudyofcsieucrystal AT kisilce timeresolvedluminescencespectroscopystudyofcsieucrystal |
| first_indexed |
2023-10-18T20:36:14Z |
| last_indexed |
2023-10-18T20:36:14Z |
| _version_ |
1796150637541457920 |