Spectroscopy of gadolinium gallium garnet doped with cerium under high hydrostatic pressure
| dc.contributor.author | Kaminska, A. | |
| dc.contributor.author | Duzynska, A. | |
| dc.contributor.author | Berkowski, M. | |
| dc.contributor.author | Suchocki, A. | |
| dc.date.accessioned | 2012-10-16T06:36:04Z | |
| dc.date.available | 2012-10-16T06:36:04Z | |
| dc.date.issued | 2012 | |
| dc.description.abstract | Studies of the spectroscopic properties of Ce3+ dopant in bulk Gd3Ga5O12:Ce crystal under pressure are presented. In spite of strong inter-shell 4f ® 5d absorption bands at ambient pressure the cerium luminescence in Gd3Ga5O12 is entirely quenched even at low temperature. It has been shown that applying pressure allows for recovering the 5d ® 4f radiative transitions. Further increase of pressure improves the emission efficiency. This effect is analyzed in terms of two possible phenomena: (i) by pressure-induced electronic crossover of the excited 5d energy level of the Ce3+ with the conduction band bottom of host crystal, and (ii) by decrease of electron-lattice coupling with increasing pressure, resulting in reducing of Stokes shift and non-radiative transitions between the low vibrational levels of the 5d state and high vibrational levels of the ground 4f state. | uk_UA |
| dc.identifier.citation | Spectroscopy of gadolinium gallium garnet doped with cerium under high hydrostatic pressure / A. Kaminska, A. Duzynska, M. Berkowsk, A. Suchocki // Оксидні матеріали електронної техніки – отримання, властивості, застосування (ОМЕЕ – 2012) : збірник матеріалів міжнародної наукової конференції, 3-7 вересня 2012 року, Львів, Україна / Національний університет “Львівська політехніка”. – Львів : Видавництво Львівської політехніки, 2012. – С. 198–199. – Bibliography: 24 titles. | uk_UA |
| dc.identifier.uri | https://ena.lpnu.ua/handle/ntb/15299 | |
| dc.language.iso | en | uk_UA |
| dc.publisher | Видавництво Львівської політехніки | uk_UA |
| dc.subject | Gd3Ga5O12:Ce3+ crystals | uk_UA |
| dc.subject | luminescence and absorption under high pressure | uk_UA |
| dc.subject | electron-lattice coupling | uk_UA |
| dc.title | Spectroscopy of gadolinium gallium garnet doped with cerium under high hydrostatic pressure | uk_UA |
| dc.type | Article | uk_UA |