Measurement of non-equilibrium carriers dynamics in Ce-doped YAG, LuAG and GAGG crystals with and without Mg-codoping

Lucchini, M.T.; Buganov, O.; Auffray, E.; Boháček, Pavel; Korjik, M.; Kozlov, D.; Nargelas, S.; Nikl, Martin; Tikhomirov, S.; Tamulaitis, G.; Vaitkevicius, A.; Kamada, K.; Yoshikawa, A.

doi:https://dx.doi.org/10.1016/j.jlumin.2017.10.005

Number of the records: 1

Measurement of non-equilibrium carriers dynamics in Ce-doped YAG, LuAG and GAGG crystals with and without Mg-codoping

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SYSNO ASEP	0492159
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve SCOPUS
Title	Measurement of non-equilibrium carriers dynamics in Ce-doped YAG, LuAG and GAGG crystals with and without Mg-codoping
Author(s)	Lucchini, M.T. (CH) Buganov, O. (BY) Auffray, E. (CH) Boháček, Pavel (FZU-D)_{RID, ORCID, SAI} Korjik, M. (BY) Kozlov, D. (BY) Nargelas, S. (LT) Nikl, Martin (FZU-D)_{RID, ORCID, SAI} Tikhomirov, S. (BY) Tamulaitis, G. (LT) Vaitkevicius, A. (LT) Kamada, K. (JP) Yoshikawa, A. (JP)
Number of authors	13
Source Title	Journal of Luminescence. - : Elsevier - ISSN 0022-2313 Roč. 194, Feb (2018), s. 1-7
Number of pages	7 s.
Language	eng - English
Country	NL - Netherlands
Keywords	scintillators ; multi-component garnet crystals ; non-linear absorption spectroscopy ; excitation transfer
Subject RIV	BM - Solid Matter Physics ; Magnetism
OECD category	Condensed matter physics (including formerly solid state physics, supercond.)
R&D Projects	GA16-15569S GA ČR - Czech Science Foundation (CSF)
Institutional support	FZU-D - RVO:68378271
EID SCOPUS	85030847976
DOI	10.1016/j.jlumin.2017.10.005
Annotation	Non-linear absorption spectroscopy in pump and probe configuration has been used to test the population of non-equilibrium carriers in Ce-doped Y3Al5O12(YAG), Lu3Al5O12(LuAG), and Gd3AlxGa(5-x)O12(GAGG) crystals with and without codoping by Mg2+ions. A faster rise time of the induced optical density has been observed in all crystals codoped with Mg with respect to that in Mg-free samples. A significant difference in the time evolution of the differential optical density in GAGG with respect to YAG and LuAG crystals has also been measured. In both GAGG:Ce and GAGG:Ce,Mg an absorption band with maximum in the blue-green range and a decay time of 1.4 ps is present. This band is due to the absorption by free electrons before they are trapped or re-captured by Ce3+ions.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2019

Number of the records: 1