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Temperature and excitation power dependence of photoluminescence kinetics and efficiency in CaGa2S4:Eu2+

delete2026-05-07
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PRE
AI
E
E.G. Asadov *
DOI：10.1016/j.physb.2026.418787delete
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Abstract

Abstract

En 中文
• A universal excitation threshold governing PL decay dynamics in CaGa2S4:Eu2+ is identified • High excitation densities activate additional non-radiative relaxation channels • Time-resolved spectroscopy reveals excitation-induced modification of decay kinetics • PL efficiency behavior correlates with saturation and non-radiative losses • The results are relevant for high-power photonic and laser-driven phosphor applications
Keywords:
excitation threshold
photoluminescence decay
non-radiative relaxation
phosphor efficiency
time-resolved spectroscopy

Journal

P
physica b: condensed matter
IF:
0
Papers:
544
Citations:
1

Organization

M
Ministry of Science and Education
Scholars:
17
Papers: 14
Citations: 1
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