Luminescent properties of cobalt-doped &alpha;-ZnAl2S 4 spinel type single crystals

Anghel Sergiu; Boulon Georges; Kulyuk Leonid; Sushkevich Konstantin

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ANGHEL, Sergiu, BOULON, Georges, KULYUK, Leonid, SUSHKEVICH, Konstantin. Luminescent properties of cobalt-doped α-ZnAl2S 4 spinel type single crystals. In: Journal of Luminescence, 2011, vol. 131, pp. 2483-2486. ISSN 0022-2313. DOI: https://doi.org/10.1016/j.jlumin.2011.06.018

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Journal of Luminescence

Volumul 131 / 2011 / ISSN 0022-2313

Luminescent properties of cobalt-doped α-ZnAl₂S ₄ spinel type single crystals

DOI:https://doi.org/10.1016/j.jlumin.2011.06.018

Pag. 2483-2486

Anghel Sergiu¹, Boulon Georges², Kulyuk Leonid¹, Sushkevich Konstantin³

¹ Institute of Applied Physics, Academy of Sciences of Moldova,
² Universitatea Claude Bernard Lyon 1,
³ Moldova State University

Disponibil în IBN: 5 octombrie 2023

Rezumat

The absorption and luminescent properties of α-ZnAl₂S ₄:Co spinel type crystals grown by chemical transport reactions method are investigated. The spectra are assigned to the electronic transitions of Co² ions located in tetrahedral sites. It is shown, that the revealed four radiative spectral components are caused by the ²A(²G)→⁴T₁(⁴F), ⁴T₁(⁴P)→⁴T₂( ⁴F), ²E(²G)→ ⁴T ₂(⁴F) and ²E(²G) →⁴T₁(⁴F) transitions.

Cuvinte-cheie
absorption, Co2 ions, Luminescence, optical spectroscopy, Spinel, Sulphide Semiconductors