Luminescence of β-Ga2O3 nanoforms obtained by oxidation of GaSe Doped with Eu
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2023-11-28 16:53
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SPRINCEAN, Veaceslav, UNTILA, Dumitru, KIRITSA, Arcady, EVTODIEV, Igor, CARAMAN, Iuliana. Luminescence of β-Ga2O3 nanoforms obtained by oxidation of GaSe Doped with Eu. In: IFMBE Proceedings: . 4th International Conference on Nanotechnologies and Biomedical Engineering, Ed. 4, 18-21 septembrie 2019, Chişinău. Switzerland: Springer Nature Switzerland AG, 2020, Ediția 4, Vol.77, pp. 247-251. ISBN 978-303031865-9. ISSN 16800737. DOI: https://doi.org/10.1007/978-3-030-31866-6_49
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IFMBE Proceedings
Ediția 4, Vol.77, 2020
Conferința "Conference on Nanotechnologies and Biomedical Engineering"
4, Chişinău, Moldova, 18-21 septembrie 2019

Luminescence of β-Ga2O3 nanoforms obtained by oxidation of GaSe Doped with Eu

DOI: https://doi.org/10.1007/978-3-030-31866-6_49

Pag. 247-251

Sprincean Veaceslav1, Untila Dumitru2, Kiritsa Arcady1, Evtodiev Igor2, Caraman Iuliana3
 
1 Moldova State University,
2 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu",
3 "Vasile Alecsandri" University of Bacau
 
Proiect:
GA 810652

Promoting smart specialization at the Technical University of Moldova by developing the field of Novel Nanomaterials for BioMedical Applications through excellence in research and twinning


 
Disponibil în IBN: 31 octombrie 2020


Rezumat

The GaSe single crystals were doped with Eu in the process of their synthesis and growth. The oxide of β-Ga2O3 doped with Eu in the form of massive nanowires was obtained by thermal treatment (TT) in the atmosphere of GaSe single crystals doped with 1.0 and 3.0 at.% of Eu. The crystalline structure, surface morphology and photoluminescence spectra of GaSe:Eu and β-Ga2O3:Eu single crystals were studied. The Photoluminescence (FL) spectrum of GaSe doped with 1.0 at.% of Eu at room temperature is formed as a result of transitions of 5D07F1 to Eu3+ ion and as a result of radiation annihilation of n = 1 excitons in GaSe. The FL spectra of Ga2O3:Eu was interpreted on the basis of the energy level diagram of electrons in Eu3+ ion.

Cuvinte-cheie
Crystalline structure surface, Gallium oxide, Gallium selenide, nanowires, thermal treatment