| Инд. авторы: | Ryadun A.A., Trifonov V.A., Nadolinny V.A., Pavlyuk A.A., Rakhmanova M.I. |
| Заглавие: | Structure and properties of Li2–2xMg2+x(MoO4)3 crystals activated by copper ions |
| Библ. ссылка: | Ryadun A.A., Trifonov V.A., Nadolinny V.A., Pavlyuk A.A., Rakhmanova M.I. Structure and properties of Li2–2xMg2+x(MoO4)3 crystals activated by copper ions // Journal of Structural Chemistry. - 2016. - Vol.57. - Iss. 3. - P.459-463. - ISSN 0022-4766. - EISSN 1573-8779. |
| Внешние системы: | DOI: 10.1134/S0022476616030069; SCOPUS: 2-s2.0-84978663444; |
| Реферат: | eng: By the low-gradient Čzochralski method, both undoped and copper ion activated Li2–2xMg2+x(MoO4)3 crystals are grown. The charge state and structural position of impurity copper ions are determined using EPR. Investigations of the luminescence properties reveal that luminescence with a maximum at λ = 520 nm is observed for Li2–2xMg2+x(MoO4)3 crystals. A decrease in the temperature increases the intensity of this luminescence. It is found that the doping of Li2–2xMg2+x(MoO4)3 crystals with copper ions also increases the luminescence intensity with a maximum at λ = 520 nm. It is supposed that cation vacancies, which provide the charge compensation when copper ions substitute for lithium ions, are responsible for the luminescence. © 2016, Pleiades Publishing, Ltd.
|
| Ключевые слова: | scintillators; luminescence; EPR of transition metal ions; crystals of double molybdate; |
| Издано: | 2016 |
| Физ. характеристика: | с.459-463 |