Зарядовий стан іонів мангану та срібла в монокристалах легованого тетраборату літію: вплив іонізуючого опромінення
Changes in the oxidation state of silver and manganese doped single crystal lithium tetraborate (LTB) induced by high-dose irradiation were monitored by photoluminescence and optical absorption spectroscopy. For LTB:Mn, a recharging was revealed of Mn according to schemes Mn2+ hν®Mn3+ + е or Mn2+ hν...
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| Date: | 2010 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2010
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| Online Access: | https://surfacezbir.com.ua/index.php/surface/article/view/407 |
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| Journal Title: | Surface |
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Surface| Summary: | Changes in the oxidation state of silver and manganese doped single crystal lithium tetraborate (LTB) induced by high-dose irradiation were monitored by photoluminescence and optical absorption spectroscopy. For LTB:Mn, a recharging was revealed of Mn according to schemes Mn2+ hν®Mn3+ + е or Mn2+ hν ® + hole → Mn3+. In the case of LTB:Ag, the reducing of Ag+ to Ag0 with following creation of  nAg0 nanoparticlies was observed. Spectrally-resolved TL spectra evidenced that Mn2+ and Ag+ ions were the recombination emitting centres. |
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