Ultraviolet upconversion emission of Pb 2+ ions sensitized by Yb 3+-trimers in CaF 2
Under 978 nm near infrared (NIR) excitation, ultraviolet (UV) upconversion (UC) emissions
from Pb2+ ions in CaF2: Pb2+, Yb3+ were first observed at room temperature. The UC …
from Pb2+ ions in CaF2: Pb2+, Yb3+ were first observed at room temperature. The UC …
Optical spectroscopy of Yb2+ ions in YbF3-doped CaF2 crystals
Transparent colorless Ca1− xYbx F2+ x (x= 0.0007–0.016) crystals were grown using the
vertical Bridgman technique. In order to obtain efficient Yb3+–Yb2+ conversion in the as …
vertical Bridgman technique. In order to obtain efficient Yb3+–Yb2+ conversion in the as …
Growth of YbF3-doped CaF2 crystals and characterization of Yb3+/Yb2+ conversion
I Nicoara, M Stef, A Pruna - Journal of Crystal Growth, 2008 - Elsevier
Calcium fluoride crystals doped with YbF3 and PbF2-, NaF-and LiF-codoped were grown
using the vertical Bridgman method. Transparent, high quality, with various high Yb2+ …
using the vertical Bridgman method. Transparent, high quality, with various high Yb2+ …
Some dielectric and optical properties of ErF3-doped CaF2 crystals
I Nicoara, M Munteanu, E Preda, M Stef - Journal of crystal growth, 2008 - Elsevier
Calcium fluoride crystals doped with ErF3 and PbF2 have been grown using the vertical
Bridgman method. Temperature and frequency dependence of the complex dielectric …
Bridgman method. Temperature and frequency dependence of the complex dielectric …
Formation of color centers during growth of alkali-earth fluoride crystals
LI Bryukvina, EE Penzina - Journal of Applied Spectroscopy, 2010 - Springer
New bands within the ranges of 1900–2200 and 700–1000 cm–1 have been discovered in
the IR absorption spectra of crystalline alkali-earth fluorides. It is found that the defects …
the IR absorption spectra of crystalline alkali-earth fluorides. It is found that the defects …
Some dielectric and optical properties of PbF2-codoped CaF2: YbF3 crystals
Abstract YbF 3-doped and PbF 2-codoped CaF 2 crystals were grown using the vertical
Bridgman method. The optical absorption spectra reveal the existence of both Yb 2+ and Yb …
Bridgman method. The optical absorption spectra reveal the existence of both Yb 2+ and Yb …
ОБРАЗОВАНИЕ ЦЕНТРОВ ОКРАСКИ В ПРОЦЕССЕ ВЫРАЩИВАНИЯ КРИСТАЛЛОВ ЩЕЛОЧНО-ЗЕМЕЛЬНЫХ ФТОРИДОВ
ЛИ Брюквина, ЭЭ Пензина - Журнал прикладной спектроскопии, 2010 - elibrary.ru
В ИК спектрах поглощения кристаллов щелочно-земельных фторидов обнаружены
новые полосы в диапазонах 1900-2200 и 700-1000 см-1. Установлено, что дефекты …
новые полосы в диапазонах 1900-2200 и 700-1000 см-1. Установлено, что дефекты …