Luminescence Properties and Decay Kinetics of Mn2+ and Eu3+ Co-Dopant Ions In MgGa2O4 Ceramics-Reference-Cited by-同舟云学术

Luminescence Properties and Decay Kinetics of Mn2+ and Eu3+ Co-Dopant Ions In MgGa2O4 Ceramics

Published:2018-12-01 Issue:6 Volume:55 Page:43-51
ISSN:0868-8257
Container-title:Latvian Journal of Physics and Technical Sciences
language:en
Short-container-title:

Author:

Luchechko A.¹,Zhydachevskyy Ya.²³,Sugak D.²,Kravets O.¹,Martynyuk N.²,Popov A.I.⁴,Ubizskii S.²,Suchocki A.³⁵

Affiliation:

1. Ivan Franko National University of Lviv , 107 Tarnavskogo St., Lviv 79017 , Ukraine

2. Lviv Polytechnic National University , 12 Bandera St., Lviv 79646 , Ukraine

3. Institute of Physics, Polish Academy of Sciences , 32/34 Al. Lotnikow, Warsaw 02-668 , Poland

4. Institute of Solid State Physics , University of Latvia , Latvia

5. Institute of Physics , University of Bydgoszcz , Weyssenhoffa 11, Bydgoszcz 85-072 , Poland

Abstract

Abstract The MgGa2O4 ceramics co-doped with Mn2+ and Eu3+ ions were synthesized via a high-temperature solid-state reaction technique. The samples with various Eu3+ concentrations were characterised using high-resolution photoluminescence (PL) spectroscopy. The PL spectra show weak matrix emission in a blue spectral region with dominant excitation band around 380 nm. Manganese ions are highly excited deeply in UV region and exhibit emission band peaked at 502 nm. The Eu3+ ions show characteristic f-f excitation and emission lines. The energy transfer between host defects and activator ions was observed. Luminescence decay curves of Mn2+ and Eu3+ emission showed complex kinetics with both Eu3+-ion concentration and excitation wavelength changes.

Publisher

Walter de Gruyter GmbH

Subject

General Physics and Astronomy,General Engineering

Link

https://www.sciendo.com/pdf/10.2478/lpts-2018-0043

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