Фотолюмінесценція та оптичне поглинання монокристалів і скла тетраборату літія, легованого іонами срібла та мангану
Silver and manganese -doped lithium tetraborate single crystal and glassy phosphors with different dopant content were studied. Optical absorption, steady-state and time-resolved photoluminescence techniques were used. for spectral characterization of samples. Optical absorption- as well as photolum...
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| Дата: | 2009 |
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| Автор: | |
| Формат: | Стаття |
| Мова: | Українська |
| Опубліковано: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2009
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| Онлайн доступ: | https://surfacezbir.com.ua/index.php/surface/article/view/348 |
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| Назва журналу: | Surface |
| Завантажити файл: |  |
Репозитарії
Surface| Резюме: | Silver and manganese -doped lithium tetraborate single crystal and glassy phosphors with different dopant content were studied. Optical absorption, steady-state and time-resolved photoluminescence techniques were used. for spectral characterization of samples. Optical absorption- as well as photoluminescence excitation and emission spectra of LTB:Mn single crystal revealed that manganese is present only in the form of Mn2+ions, while in the glassy LTB:Mn simultaneous presence of Mn2+ and Mn3+ ions was detected. Optical absorption and photoluminescence spectral characterization of LTB:Ag single crystal showed that only one type of Ag1+ ions are absorbing and emitting centres while in the LTB:Ag glassy samples the presence of at least two non-equivalent surrounding of Ag1+ ions was revealed. |
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